JP6844262B2 - Warning image providing server, warning image providing system, and warning image providing method - Google Patents

Description

The present invention relates to a warning image providing server, a warning image providing system, and a warning image providing method for generating an image showing a power failure state of a conductor portion between each device of electrical equipment.

In order to prevent electric shock accidents in overhead power transmission lines, overhead bus bars, switch gears, etc., which have been conventionally installed in electric power stations, etc., a number of procedures have been established in accordance with, for example, maintenance work guidelines and power supply operation guidelines established within the electric power company. Measures are being implemented.
However, such measures alone have not completely prevented electric shock disasters. That is, the conductor portion charged with electricity cannot visually confirm whether or not the conductor portion is in a charged state. For this reason, in the measures described above, there is a risk that the inspector may approach or come into contact with the charging point and cause an electric shock accident due to the inspector erroneously recognizing the charging point of the conductor portion. ..
Patent Document 1 discloses a power transmission / distribution system monitoring device that transmits status information of a system device to a field terminal device and displays real-time charging / power failure information on a screen.

JP-A-2002-95187

However, in Patent Document 1, the inspector sees the actual conductor part whose number is specified and the specific conductor part image in the system diagram screen reflecting the charge / power failure information displayed on the site terminal device ( It is necessary to visually check the conductor part with a specific number alternately. That is, since it is necessary to compare the actual conductor portion with the conductor portion on the display screen, the workability is lowered by the alternate visual confirmation operation, which puts a work load on the inspector.
For this reason, there is a risk that an electric shock disaster may occur due to the inspector erroneously recognizing the charging point and approaching or touching the charging point.
Therefore, it is desired to prevent the occurrence of an electric shock disaster caused by approaching or contacting the charging point by taking measures to prevent the inspector from erroneously recognizing the charging point.
The present invention has been made in view of the above, and an object of the present invention is to present a warning image showing a charging location to an inspector in real time.

In order to solve the above problems, the invention according to claim 1 acquires information from an electric station monitoring device that collects an open / closed state or an operating state of each device in an electric facility, and based on the information, between the devices. A storage means that is a warning image providing server that generates an image showing a charging / power failure state of a conductor portion and transmits the image to a glasses-type wearable terminal, and stores a three-dimensional conductor portion image model related to each conductor portion in advance. A color-coded model generating means for generating a three-dimensional color-coded conductor portion image model in which the charging / failing portion is color-coded from the three-dimensional conductor portion image model according to the charging / power failure state of the conductor portion between the devices. A warning image generating means for generating a warning image in the visual direction from a three-dimensional color-coded conductor image model according to a position and an orientation received from the glasses-type wearable terminal, and transmitting the generated warning image to the glasses-type wearable terminal. It is characterized in that it is provided with a transmission means for performing.

According to the present invention, a warning image showing a charging location can be presented to an inspector in real time.

It is a figure which shows the whole structure of the warning image providing system which concerns on one Embodiment of this invention. It is a sequence diagram which shows the schematic operation of the warning image providing system which concerns on one Embodiment of this invention. It is a block diagram which shows the structure of the electric place monitoring apparatus shown in FIG. It is a block diagram which shows the hardware configuration of the server shown in FIG. It is a functional block diagram which shows the functional structure of the server shown in FIG. (A), (b), and (c) are diagrams showing a schematic structure of the eyeglass-type wearable terminal shown in FIG. It is a block diagram which shows the hardware composition of the control device shown in FIG. 6C. It is a flowchart of 3D conductor part image model generation processing. It is a flowchart of 3D color-coded conductor part image model generation processing. It is a power failure state system diagram generated by the system diagram generation unit shown in FIG. It is a figure which shows a part of the polygon which constitutes the 3D conductor part image model generated by the 3D conductor part image model generation part shown in FIG. It is a figure which shows the image which looked at a part of the 3D conductor part image model generated by the 3D conductor part image model generation part shown in FIG. 5 from a certain line-of-sight direction. FIG. 5 is a diagram showing an image of a part of a color-coded three-dimensional color-coded conductor unit image model generated by the three-dimensional color-coded conductor unit image model generation unit shown in FIG. 5 as viewed from a certain line-of-sight direction. It is a figure (the 1) which shows a part of the landscape which an inspector wearing a spectacles type wearable terminal can see. It is a figure (No. 2) which shows a part of the landscape which an inspector wearing a spectacles type wearable terminal can see.

Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings.
The present invention has the following configuration in order to present a warning image showing a charging location to an inspector in real time.
That is, the warning image providing server of the present invention acquires information from the electric station monitoring device that collects the open / closed state or the operating state of each device in the electrical equipment, and based on this information, the charging / disconnection of the conductor portion between the devices is performed. A warning image providing server that generates an image representing a state and transmits the image to a glasses-type wearable terminal, and is a storage means that stores in advance a three-dimensional conductor image model related to each conductor, and a conductor between each device. The color-coded model generation means for generating a three-dimensional color-coded conductor image model in which the charge / failure location is color-coded from the three-dimensional conductor image model according to the charge / power state of the unit, and the position and orientation received from the eyeglass-type wearable terminal. Correspondingly, it is characterized by including a warning image generating means for generating a warning image in the visual direction from a three-dimensional color-coded conductor portion image model, and a transmitting means for transmitting the generated warning image to a glasses-type wearable terminal. ..
With the above configuration, a warning image showing the charging location can be presented to the inspector in real time.
The above-mentioned features of the present invention will be described in detail below with reference to the drawings.

<System configuration>
FIG. 1 is a diagram showing an overall configuration of a warning image providing system 1 according to an embodiment of the present invention.
The warning image providing system 1 includes an electric station 3, an electric station monitoring device 5, a server 7, a network N, a wireless LAN router 9, and a glasses-type wearable terminal 11.
The electric station 3 is, for example, a substation arranged between the A bus and the B bus, and an overhead transmission line, an overhead bus, a switch gear, a transformer, and the like are arranged in the site. Although the present invention targets electrical equipment arranged in an electric station 3 or a plant, it may target electrical wiring in an electric home as long as it can monitor the state of charge and power failure of the conductor portion.
The electric station monitoring device 5 acquires the open / closed state / operating state of each device from the sensors arranged at each location of the electric station 3, and monitors the charge / power failure state of the conductor portion arranged in the electric station 3. At the same time, the acquired open / closed state / operating state information is periodically transmitted to the server 7 via the dedicated line.
The server 7 performs charge / power failure state determination processing based on the open / closed state / operating state information received from the electric station monitoring device 5 via the dedicated line, and obtains charge / power failure information for the conductor portion arranged in the electric station. Generate. Then, the server 7 performs a three-dimensional color-coded conductor portion image model generation process based on the charge / power failure information to generate a three-dimensional color-coded conductor portion image model from the three-dimensional conductor portion image model and stores the three-dimensional color-coded conductor portion image model in the database DB7a.

The server 7 performs warning image generation processing based on the position data and posture data of the glasses-type wearable terminal 11 to generate a warning image from the three-dimensional color-coded conductor image model, and outputs the warning image to the glasses-type wearable terminal 11. Send to.
The wireless LAN router 9 is connected between the glasses-type wearable terminal 11 and the server 7, and transmits / receives data between the two.
The eyeglass-type wearable terminal 11 acquires image data obtained by taking a picture with a camera, position data and attitude data of the terminal, and transmits the image data to the server 7 from the control device 83 (FIG. 6), and the control device 83 is a server. A warning image is received from No. 7, the warning image is displayed on the display 81, and the warning image displayed on the display 81 (FIG. 6) passes through the lens 71R (not shown in FIG. 6) and is visually observed by the human eye. it can.

<Sequence diagram>
FIG. 2 is a sequence diagram showing a schematic operation of the warning image providing system 1 according to the embodiment of the present invention.
First, the eyeglass-type wearable terminal 11 acquires image data obtained by photographing the electric station 3, position data at the time of photographing, and posture data at the time of photographing, and transmits the image data to the server 7.
The server 7 stores the image data, the position data, and the posture data received from the eyeglass-type wearable terminal 11 in the database DB 7a.
As a result, the server 7 stores image data, position data, and posture data related to a plurality of scenes (scenes) in the database DB 7a.
The server 7 performs a three-dimensional conductor part image model generation process based on image data, position data, and attitude data related to a plurality of scenes acquired from the database DB7a to generate a three-dimensional conductor part image model. Accumulate in database DB7a.

Next, the electric station monitoring device 5 transmits the open / closed state / operating state of each device acquired by various sensors arranged in the electric station to the server 7.
The server 7 receives the open / closed state / operating state of each device from the electric station monitoring device 5. Next, the server 7 performs charge / power failure state determination processing based on the open / closed state / operating state of each device, and generates charge / power failure information for the conductor portion arranged in the electric station. Then, the server 7 performs a three-dimensional color-coded conductor portion image model generation process based on the charge / power failure information to generate a three-dimensional color-coded conductor portion image model from the three-dimensional conductor portion image model and stores the three-dimensional color-coded conductor portion image model in the database DB7a.
Next, the spectacle-type wearable terminal 11 acquires position data and posture data and transmits them to the server 7 when the inspector is visually observing the conductor portion arranged in the electric station 3.
The server 7 stores the position data and the posture data received from the eyeglass-type wearable terminal 11 in the database DB 7a.
The server 7 performs warning image generation processing based on the position data and posture data of the glasses-type wearable terminal 11 to generate a warning image from the three-dimensional color-coded conductor image model, and outputs the warning image to the glasses-type wearable terminal 11. Send to.

<Electrical station monitoring device>
FIG. 3 is a block diagram showing the configuration of the electric station monitoring device shown in FIG.
The electric station monitoring device 5 includes a sensor 21, an input converter 23, an A / D converter 25, an input unit 26, an open / closed state / operation state calculation unit 27, and a communication unit 29.
The sensor 21 is a sensor that detects voltage signals such as PD (Potential Divider) and CT (Current Transforme), respectively. Further, the sensor 21 is a sensor that detects opening / closing signals of the circuit breaker CB (Circuit Breaker), the switchgear SWG (Switchgear), the disconnector LS (Line Switch), and the like.
The input converter 23 inputs AC voltage, which is a secondary value detected by PD and CT included in the sensor 21, and converts it into DC voltage.
The A / D converter 25 converts the DC voltage converted by the input converter 23 into a voltage value which is a digital quantity.
The input unit 26 converts the open / close state into a logical value according to the open / close signal detected from the circuit breaker CB, SWG, and the disconnector LS.
The open / closed state / operating state calculation unit 27 is based on the voltage values related to PD and CT converted by the A / D converter 25 and the logical values related to CB, SWG, and LS converted by the input unit 26. Calculate the logical state and voltage state of.
The communication unit 29 transmits the open / closed state and operating state information calculated by the open / closed state / operating state calculation unit 27 to the server 7 via a dedicated line.

<Server hardware configuration>
FIG. 4 is a block diagram showing the hardware configuration of the server shown in FIG.
The server 7 includes an operation unit 31, a first communication unit 33, a second communication unit 35, a display control unit 37, a display unit 39, a database DB 7a, and a main control unit 43.
The operation unit 31 includes a keyboard, a mouse, and the like.
The first communication unit 33 receives data from the electric station monitoring device 5 via a dedicated line.
The second communication unit 35 receives data from the eyeglass-type wearable terminal 11 via the network N, and transmits the data to the eyeglass-type wearable terminal 11.
The display control unit 37 draws an image on the VRAM based on the generated three-dimensional conductor unit image model and the three-dimensional color-coded conductor unit image model, and displays the image on the display unit 39.
The display unit 39 displays the model image.
The database DB7a stores the generated three-dimensional conductor part image model and the three-dimensional color-coded conductor part image model.
The main control unit 43 includes a ROM (read only memory), a RAM, a CPU, an HDD, and a timer inside. The CPU (central processing unit) reads the operating system OS from the HDD (hard disk drive), expands it on the RAM (random access memory), starts the OS, and under the control of the OS, outputs the program (processing module) from the HDD. Read and execute various processes.

<Server functional block diagram>
FIG. 5 is a functional block diagram showing a functional configuration of the server shown in FIG.
The server 7 includes an open / closed state / operating state acquisition unit 51, a charge / power failure state determination unit 53, a system diagram generation unit 55, an image / position / attitude acquisition unit 57, a three-dimensional conductor unit image model generation unit 59, and a three-dimensional color-coded conductor unit. It includes an image model generation unit 61, a position / orientation acquisition unit 63, and a warning image generation unit 65.
The open / closed state / operating state acquisition unit 51 receives the open / closed state / operating state information of each device from the electric station monitoring device 5.
The charge / power failure state determination unit 53 determines the charge / power failure state of each conductor unit from the open / closed state / operation state information of each device, sets the charge state or the power failure state for the conductor unit number, and is the determination result. The charge / power failure state of the conductor portion is stored in the database DB7a.
The system diagram generation unit 55 provides a charge / power failure state system diagram (FIG. 10) showing whether each conductor unit is in a charged state or a power failure state based on the charge / power failure state of each conductor unit acquired from the database DB7a. Generate.
The image / position / posture acquisition unit 57 receives image data, position data, and posture data from the eyeglass-type wearable terminal 11. The image / position / posture acquisition unit 57 stores the received data in the database DB 7a.

The three-dimensional conductor unit image model generation unit 59 extracts and tags feature points, feature line segments, and feature regions from the data for each scene (scene) acquired from the database DB7a. The three-dimensional conductor unit image model generation unit 59 tracks feature points, feature line segments, and feature regions between images.
The three-dimensional conductor unit image model generation unit 59 calculates each feature point, each feature line segment, camera position data in the feature area, and attitude data. The three-dimensional conductor unit image model generation unit 59 fuses the auxiliary position data and the auxiliary attitude data obtained from the GPS receiving unit and the gyro with the data in which the camera position data and the attitude data match. The three-dimensional conductor unit image model generation unit 59 sets the conductor unit number and the device number for each feature point, each feature line segment, and a tag of each feature area. The three-dimensional conductor unit image model generation unit 59 deletes unnecessary information for the warning image from each feature point, each feature line segment, and each feature area.
The three-dimensional conductor unit image model generation unit 59 sets weights for each feature point, each feature line segment, and each feature region. That is, the three-dimensional conductor unit image model generation unit 59 weights the feature region used for estimating the position and orientation based on the effectiveness. The three-dimensional conductor unit image model generation unit 59 optimizes each camera position data and attitude data.

In the three-dimensional color-coded conductor part image model generation unit 61, the charge / power failure location corresponding to the conductor part number of each conductor part is determined from the three-dimensional conductor part image model according to the charge / power failure state corresponding to the conductor part number of each conductor part. A color-coded three-dimensional color-coded conductor part image model is generated.
That is, the three-dimensional color-coded conductor unit image model generation unit 61 has a charge / power failure corresponding to the conductor portion number of each conductor portion from the three-dimensional conductor portion image model according to the charge / power failure state corresponding to the conductor portion number of each conductor portion. A three-dimensional color-coded conductor part image model in which the parts are color-coded is generated.
The three-dimensional color-coded conductor unit image model generation unit 61 adds the first color to the power failure location included in the three-dimensional conductor portion image model according to the charging / power failure state of the conductor portion between each device, and adds the first color to the charging location. By adding a second color different from the color, a three-dimensional color-coded conductor section image model in which the charge / power failure location is color-coded is generated.

The three-dimensional color-coded conductor unit image model generation unit 61 adds a specific color to the charging location included in the three-dimensional conductor portion image model according to the charging / power failure state of the conductor portion between each device, thereby charging / failing the power failure location. Generates a color-coded three-dimensional color-coded conductor section image model.

The position / posture acquisition unit 63 receives the position data and the posture data from the glasses-type wearable terminal 11.
The warning image generation unit 65 renders a three-dimensional color-coded conductor unit image model in the visual direction based on the position data and the attitude data. The warning image generation unit 65 generates a warning image by mapping a texture on the rendered three-dimensional color-coded conductor unit image model, and stores the warning image in the database DB. The warning image generation unit 65 transmits the warning image generated in step S145 to the eyeglass-type wearable terminal 11.

<Glasses-type wearable terminal>
6 (a), (b), and (c) are diagrams showing a schematic structure of the eyeglass-type wearable terminal shown in FIG. FIG. 6A is a front view showing a schematic structure of a spectacle-type wearable terminal, and FIG. 6B is a side view showing a schematic structure of the spectacle-type wearable terminal. FIG. 6C is a side view showing the appearance of the control device held by an inspector wearing a spectacle-type wearable terminal.
As shown in FIGS. 6A, 6B, and 6C, the glasses-type wearable terminal 11 includes a glasses body 71, a camera 73, a GPS receiver 75, an acceleration sensor 77, a gyro sensor 79, a display 81, and a control device 83. It has.
A pair of transparent lenses 71R and 71L are held in the frame of the spectacle body 71, and are attached to an inspector at the time of use.

The camera 73 is arranged in front of the frame, captures a landscape in the z direction in the figure, and outputs image data.
The GPS receiver 75 measures the current position data (latitude / longitude) by receiving radio waves from a plurality of GPS satellites used in the Global Positioning System (GPS) and calculating the distance to each of them. ..
The acceleration sensor 77 measures the acceleration in the three directions of the xyz axis and outputs the measurement data.
The gyro sensor 79 detects the angular velocity (angular acceleration) in the three directions of the xyz axis and outputs the detection data.
The display 81 displays an image.
The control device 83 controls the entire spectacle-type wearable terminal 11 by transmitting and receiving data via the spectacle body 71 and the cable 80.
By wearing a glasses-type wearable terminal, the inspector can see the actual scenery in the line-of-sight direction through the pair of transparent lenses 71R and 71L of the glasses body 71, and the display that can be seen through the lenses 71R and 71L. The warning image in the same line-of-sight direction displayed on 81 can be visually observed.

<Glasses-type wearable terminal>
FIG. 7 is a block diagram showing a hardware configuration of the control device shown in FIG. 6 (c).
The control device 83 includes an image pickup control unit 85, a position / attitude input unit 87, a display control unit 89, a control unit 91, an operation unit 93, and a communication unit 95.
The image pickup control unit 85 is connected to the camera 73 via a cable 80 and controls the image pickup operation of the camera 73.
The position / orientation input unit 87 is connected to the GPS receiving unit 75, the acceleration sensor 77, and the gyro sensor 79 via the cable 80, and inputs data from them.
The display control unit 89 draws the image data in the VRAM and displays it on the display 81.
The control unit 91 controls the entire eyeglass-type wearable terminal 11.
The operation unit 93 receives the operation of the inspector and outputs the projection start information or the projection end information as the operation information to the control unit 91.
The communication unit 95 transmits / receives data to / from the server 7 via the wireless LAN router 9 and the network N.

<Preliminary information gathering operation>
With reference to FIG. 7, a prior information gathering operation using the eyeglass-type wearable terminal 11 will be described.
When the inspector turns on the photographing button provided on the operation unit 93, the control unit 91 outputs the imaging start signal to the imaging control unit 85 and the position / orientation input unit 87 in order to start the imaging operation and the position / attitude acquisition operation. The control unit 91 transmits a shooting start signal to the server 7 via the communication unit 95, the wireless LAN router 9, and the network N.
At the electric station 3, the inspector moves the viewpoint with respect to devices such as the circuit breaker CB, the disconnector LS, and the switch gear SWG, which are the objects (subjects) in the electric station, and moves the moving image or the moving image by the camera 73. The target object is photographed as a continuous image sequence. In order to obtain a three-dimensional image of the surroundings of the target object from multiple angles, it is necessary to take pictures from a plurality of directions.

At this time, the image pickup control unit 85 activates the camera 73 to start shooting. The image data captured by the camera 73 is input to the image pickup control unit 85 via the cable 80, and further output to the communication unit 95.
At the same time, the position / attitude input unit 87 activates the GPS receiving unit 75, the acceleration sensor 77, and the gyro sensor 79 to start acquiring the position / attitude data. The position data and attitude data acquired by the GPS receiving unit 75, the acceleration sensor 77, and the gyro sensor 79 are input to the position / attitude input unit 87 via the cable 80, and further output to the communication unit 95.
The communication unit 95 transmits image data, position data, and attitude data to the server 7 via the wireless LAN router 9 and the network N.
When the inspector turns on the shooting stop button provided on the operation unit 93, the control unit 91 starts the shooting stop operation, so that the shooting stop signal is output to the imaging control unit 85 and the position / orientation input unit 87 and controlled. The unit 91 transmits a shooting stop signal to the server 7 via the communication unit 95, the wireless LAN router 9, and the network N.

<Operation during electrical station inspection>
With reference to FIG. 7, an operation during an electrical station inspection using the eyeglass-type wearable terminal 11 will be described.
When the inspector turns on the projection start button provided on the operation unit 93, the control unit 91 starts the position / attitude acquisition operation, outputs the projection start signal to the position / attitude input unit 87, and the control unit 91 communicates. A projection start signal is transmitted to the server 7 via the unit 95, the wireless LAN router 9, and the network N.
The inspector moves at the electric station 3 so that the inspector's face faces the front of the equipment such as the circuit breaker CB, the disconnector LS, and the switch gear SWG to be inspected in the electric station 3 and its surroundings.
At this time, the position / attitude input unit 87 activates the GPS receiving unit 75, the acceleration sensor 77, and the gyro sensor 79 to start acquiring the position / attitude data. The position data and attitude data acquired by the GPS receiving unit 75, the acceleration sensor 77, and the gyro sensor 79 are input to the position / attitude input unit 87 via the cable 80, and further output to the communication unit 95.
The communication unit 95 transmits image data, position data, and attitude data to the server 7 via the wireless LAN router 9 and the network N.

<3D conductor image model generation process>
Next, the three-dimensional conductor portion image model generation process shown in FIG. 2 will be described in detail.
FIG. 8 is a flowchart of a three-dimensional conductor portion image model generation process by the server 7.
First, in step S1, the image / position / posture acquisition unit 57 determines whether or not shooting has started. That is, the image / position / posture acquisition unit 57 determines whether or not the imaging start signal has been received from the eyeglass-type wearable terminal 11 via the network N.
Here, the image / position / posture acquisition unit 57 proceeds to step S5 when the operation information is a shooting start signal, and returns to step S1 when the operation information is not a shooting start signal, and performs the above-described processing. repeat.
In step S5, the image / position / posture acquisition unit 57 receives image data, position data, and posture data from the glasses-type wearable terminal 11 via the network N.
In step S10, the image / position / posture acquisition unit 57 stores the received image data, position data, and posture data in the database DB 7a.
In step S15, the image / position / posture acquisition unit 57 determines whether or not all the scenes (scenes) that are the image data for generating the three-dimensional conductor unit image model have been acquired. That is, the image / position / posture acquisition unit 57 determines whether or not the imaging stop signal has been received from the eyeglass-type wearable terminal 11 via the network N.
Here, the image / position / posture acquisition unit 57 proceeds to step S20 when the operation information is a shooting stop signal, and returns to step S5 when the operation information is not a shooting stop signal, and performs the above-described processing. repeat.

In step S20, the three-dimensional conductor unit image model generation unit 59 acquires image data for each scene (scene) from the database DB7a on the RAM.
In step S25, the three-dimensional conductor unit image model generation unit 59 extracts feature points, feature line segments, and feature regions from the image data on the RAM, and adds tags to the respective data.
That is, the three-dimensional conductor unit image model generation unit 59 extracts characteristic points, line segments, and regions in each image data captured as a moving image or a time-continuous image sequence. In the extraction of the characteristic area, a characteristic area such as a density change and an edge in the image is extracted by various filter processing and a tag is added.

Next, in step S30, the three-dimensional conductor unit image model generation unit 59 tracks the feature points, feature line segments, and feature regions between the images with respect to the image of the extraction result in step S25. That is, the three-dimensional conductor unit image model generation unit 59 calculates the distance to each feature region by the principle of triangulation by tracking the temporal change in the image of the feature region extracted in step S25. And tag it.
Next, in step S35, the three-dimensional conductor unit image model generation unit 59 estimates (calculates) each feature point, each feature line segment, and the position and orientation of the camera in the feature region, and generates estimated position / orientation data. To do. That is, the position / orientation data of the camera is calculated and tagged based on this information. For tracking processing between image sequences of feature points, feature line segments, and feature regions, it is possible to use tracking processing by any means such as a method using a Kalman filter or taking a difference between images.

Next, in step S40, the three-dimensional conductor unit image model generation unit 59 fuses the auxiliary position data and the auxiliary attitude data obtained from the GPS receiving unit and the gyro, and the data in which the camera position / attitude data matches. That is, the three-dimensional conductor section image model generation section 59 performs fusion processing of the estimated position / orientation data estimated in step S35 and the data from the auxiliary data input, and performs each feature point, each feature line segment, and each feature area. Generate fusion position / orientation data with.
Next, in step S45, the three-dimensional conductor section image model generation section 59 assigns the conductor section number and the device number to the tags of each feature point, each feature line segment, and each feature area included in the fusion position / orientation data. Set. That is, the three-dimensional conductor section image model generation section 59 sets the device number for the tag of each feature point, sets the conductor section number for the tag of each feature line segment, and sets the conductor section number for the tag of each feature area. Set the device number or conductor part number.

Next, in step S50, the three-dimensional conductor section image model generation section 59 deletes unnecessary information that is not the conductor section from each feature point, each feature line segment, and each feature area included in the fusion position / orientation data. As a result, only the data in which the conductor part number and the device number are set for the tags of each feature point, each feature line segment, and each feature area included in the fusion position / orientation data related to the image data of the conductor part is on the RAM. Remain in.
Next, in step S55, the three-dimensional conductor unit image model generation unit 59 goes to each feature point, each feature line segment, and each feature area included in the fusion position / orientation data related to the image data of the conductor portion remaining on the RAM. Set the weighting for. That is, the three-dimensional conductor unit image model generation unit 59 weights the feature region used for estimating the position and orientation based on the effectiveness.

Next, in step S60, the three-dimensional conductor unit image model generation unit 59 optimizes the fusion position / orientation data. That is, the three-dimensional conductor unit image model generation unit 59 calculates the polygons of the position / orientation data optimized based on the plurality of fusion position / orientation data, and the conductor unit with respect to the polygon tag which is the result of the optimization. Only the data in which the numbers and device numbers are set is stored in the database DB7a as a three-dimensional conductor part image model.
For example, position data, attitude data, conductor part number, device number, and the like are set at each point of the polygon included in the three-dimensional conductor part image model.

<Three-dimensional color-coded conductor image model generation process>
FIG. 9 is a flowchart of a three-dimensional color-coded conductor portion image model generation process.
Next, in step S105, the three-dimensional color-coded conductor unit image model generation unit 61 receives operation information from the eyeglass-type wearable terminal 11.
Specifically, when the operation unit 93 provided in the control device 83 of the eyeglass-type wearable terminal 11 receives the operation of the inspector, the operation unit 93 uses the projection start information or the projection end information as the operation information in the control unit 91. The control unit 91 transmits the operation information from the communication unit 95 to the server 7 via the wireless LAN router 9 and the network N.
On the other hand, the second communication unit 35 provided in the server 7 outputs the operation information received via the network N to the main control unit 43. The main control unit 43 determines the received operation information in the three-dimensional color-coded conductor unit image model generation unit 61.

Next, in step S110, the three-dimensional color-coded conductor unit image model generation unit 61 determines whether or not to start projection.
That is, the three-dimensional color-coded conductor unit image model generation unit 61 determines whether or not the operation information received from the eyeglass-type wearable terminal 11 is the projection start information. The three-dimensional color-coded conductor unit image model generation unit 61 proceeds to step S115 when the operation information is projection start information, and returns to step S105 when the operation information is not projection start information, and repeats the above-described processing. ..

Next, in step S115, the open / closed state / operating state acquisition unit 51 receives the open / closed state / operating state information of each device from the electric station monitoring device 5.
Table 1 is an open / closed state table showing the open / closed state of each disconnector LS, where "1" represents a closed state and "0" represents an open state.

Table 2 is an open / closed state table showing the open / closed state of each circuit breaker SB, where "1" represents a closed state and "0" represents an open state.

Table 3 is a voltage state table showing the voltage state of each PD.

Next, in step S120, the charge / power failure state determination unit 53 determines the charge / power failure state of each conductor unit from the open / closed state / operation state information of each device, and sets the charge state or the power failure state for the conductor unit number. To do. At this time, the charge / power failure state determination unit 53 stores the charge / power failure state of each conductor unit this time, which is the determination result, in the database DB 7a.

Table 4 is a charge / power failure state table corresponding to each conductor part number, in which "1" represents a charge state and "0" represents a power failure state.

Next, in step S125, the three-dimensional color-coded conductor unit image model generation unit 61 determines whether or not the content of the charge / power failure state of each conductor portion determined in step S120 is the same as the previous state. If the content of the charge / power failure state is the same as the previous state, the process proceeds to step S130. On the other hand, if the content of the charge / power failure state is different from the previous state, the process proceeds to step S135.

Next, in step S130, the three-dimensional color-coded conductor unit image model generation unit 61 refers to Tables 1 to 3 and refers to the three-dimensional conductor unit according to the power failure state corresponding to the conductor unit number of each conductor unit. From the image model, a three-dimensional color-coded conductor part image model in which the charge / power failure points corresponding to the conductor part numbers of each conductor part are color-coded is generated.
As described above, in step S60, position data, attitude data, conductor part number, device number, and the like are set at each point of the polygon included in the three-dimensional conductor part image model. Therefore, in step S130, each point is set. Generates a three-dimensional color-coded conductor part image model in which the charge / power failure points corresponding to the conductor part numbers of each conductor part are color-coded from the three-dimensional conductor part image model according to the charge / power failure state corresponding to the conductor part number of the conductor part. be able to.
Specifically, the three-dimensional color-coded conductor section image model generation section 61 charges the conductor section number of each conductor section from the three-dimensional conductor section image model according to the charging / power failure state corresponding to the conductor section number of each conductor section. A three-dimensional color-coded conductor part image model in which the power failure location is color-coded is generated. For example, by adding red (first color) to the conductor part image in the charged state and adding green (second color) to the conductor part image in the power failure state to color-code the conductor part in the charged state. Can be distinguished.

The three-dimensional color-coded conductor unit image model generation unit 61 adds the first color to the power failure location included in the three-dimensional conductor portion image model according to the charging / power failure state of the conductor portion between each device, and adds the first color to the charging location. By adding a second color different from the color, a three-dimensional color-coded conductor section image model in which the charge / power failure location is color-coded is generated. For example, as shown in FIG. 13, a red conductor is added to the charged conductor image and green (second color) is added to the power failure image of the conductor. It can indicate that the part is in a charged state and dangerous, and that the green conductor part is in a power failure state and is safe.
The three-dimensional color-coded conductor unit image model generation unit 61 adds a specific color to the charging location included in the three-dimensional conductor portion image model according to the charging / power failure state of the conductor portion between each device, thereby charging / failing the power failure location. Generates a color-coded three-dimensional color-coded conductor section image model. For example, by adding red color only to the image of the conductor portion in the charged state, it can be shown that the conductor portion is in the charged state and is dangerous.

<Projection operation>
Next, in step S135, the position / posture acquisition unit 63 receives the position data and the posture data from the glasses-type wearable terminal 11.
Next, in step S140, the warning image generation unit 65 renders a three-dimensional color-coded conductor unit image model including only the colored conductor unit in the visual direction based on the position data and the posture data.
Next, in step S145, the warning image generation unit 65 generates a warning image including only the colored conductor portion by mapping the texture on the rendered three-dimensional color-coded conductor portion image model, and stores the warning image in the database. Accumulate in DB.
Specifically, when allocating the texture area corresponding to each polygon related to the conductor part constituting the three-dimensional color-coded conductor part image model, the corresponding area in the texture was obtained for each frame in the image and associated with the polygon. Since it is performed by averaging the texture areas of multiple frames and generating an optimized texture based on the line-of-sight information, it is possible to compensate for the linearity existing between each polygon to non-linear data. , A smoother curved surface image of the conductor portion can be generated.
Further, it is possible to obtain a three-dimensional color-coded conductor portion image model having polygons all around by using images taken from a plurality of directions.
Also in this case, when projecting from different directions, a means for optimizing the texture to be assigned to the polygons in the overlapping region on the three-dimensional color-coded conductor portion image model is provided.

Next, in step S150, the warning image generation unit 65 transmits the warning image generated in step S145 to the eyeglass-type wearable terminal 11.
Next, in step S155, the warning image generation unit 65 receives the operation information from the glasses-type wearable terminal 11.
Next, in step S160, the warning image generation unit 65 determines whether or not to end the projection. That is, it is determined whether or not the operation information received from the glasses-type wearable terminal 11 is the projection end information.
The warning image generation unit 65 proceeds to step S115 when the operation information is the projection end information, and ends the process when the operation information is not the projection end information.

<Single wire connection diagram>
FIG. 10 is a power outage state system diagram generated by the system diagram generation unit 55 shown in FIG.
The charge / power failure state system diagram shows whether each conductor is in a charged state (white line) or in a power failure state (black line). In the example shown in FIG. 10, the conductor portions L1, L2, and L7 are shown to be in a charged state, and the conductor portions L3 to L6 are shown to be in a power failure state.

<Polygon>
FIG. 11 is a diagram showing a part of polygons constituting the three-dimensional conductor portion image model generated by the three-dimensional conductor portion image model generation unit 59 shown in FIG.
The polygon shown in FIG. 11 is a conductor portion L2r having a three-dimensional structure composed of a plurality of quadrangles, with a quadrangle composed of four feature points, four feature lines, and one feature area as the minimum element. Shows a part of.

<Example of 3D conductor image model>
FIG. 12 is a diagram showing an image of a part of the three-dimensional conductor portion image model generated by the three-dimensional conductor portion image model generation unit 59 shown in FIG. 5 viewed from a certain line-of-sight direction.
In the example shown in FIG. 12, a landscape of three phases (r, s, t) of conductor portions L1, L2, and L3 that can be visually recognized from certain position data and attitude data is shown.

<Example of 3D color-coded conductor image model>
FIG. 13 is a diagram showing an image of a part of the three-dimensional color-coded conductor portion image model in which the charge / power failure portion generated by the three-dimensional color-coded conductor portion image model generation unit 61 shown in FIG. 5 is color-coded as viewed from a certain line-of-sight direction. Is.
In the example shown in FIG. 13, it is shown that the power failure points are color-coded in the landscape of the three phases (r, s, t) of the conductor portions L1, L2, and L3 that can be visually recognized from a certain position data and attitude data. ..
For example, red (first color) is added to the conductor image (L1r, L1s, L1t) (L2r, L2s, L2t) in the charged state, and green is added to the conductor image (L3r, L3s, L3t) in the power failure state. By adding (second color), it is possible to indicate that the red conductor portion is in a charged state and is dangerous, and that the green conductor portion is in a power failure state and is safe.

<Example of visual landscape>
FIG. 14 is a diagram (No. 1) showing a part of the landscape that can be seen by an inspector wearing the eyeglass-type wearable terminal 11.
When the eyeglass-type wearable terminal 11 receives the warning image from the server 7, a part of the three-dimensional color-coded conductor portion image model in which the charging / power failure location is color-coded is displayed on the display 81 of the eyeglass-type wearable terminal 11.
The display 81 displays a color-coded landscape of the three-phase (r, s, t) charging / failing points of the conductor portions L1, L2, and L3 that can be seen from the line-of-sight direction based on certain position data and attitude data. As shown in FIG. 14, the view in the line-of-sight direction based on the position data and the attitude data of the inspector wearing the glasses-type wearable terminal 11 overlaps with the color-coded view of the power failure point displayed on the display 81. It can be visually confirmed.

<Other examples of visual landscape>
FIG. 15 is a diagram (No. 2) showing a part of the landscape that can be seen by an inspector wearing the eyeglass-type wearable terminal 11.
At the time of shooting, the camera 73 shoots the target object as a moving image or a continuous image sequence while moving the viewpoint with respect to the subject in which the door of the switch gear SWG in the electric station is opened. At this time, the target object is photographed from a plurality of directions in order to obtain a three-dimensional image of the surroundings from various angles. The three-dimensional conductor part image model generation unit 59 generates a three-dimensional conductor part image model based on the image, the position, and the posture photographed in this way, and stores the three-dimensional conductor part image model in the database 7a.
Since a warning image, which is a projected image, is generated from such a three-dimensional conductor image model, even when the door of the switch gear SWG in the electric station in front of the inspector is closed, the glasses-type wearable terminal 11 The display 81 shows the conductor portions (L4r, L4s, L4t) in the switch gear in which the power failure location is color-coded, and the inspector can visually confirm the overlap.

<Structure, Action, Effect of Examples of Embodiments of the Present Invention>
<First aspect>
The server 7 of this embodiment acquires information from the electric station monitoring device 5 that collects the open / closed state or the operating state of each device in the electrical equipment, and based on the information, an image showing the charging / power failure state of the conductor portion between the devices. Is a server 7 that generates an image and transmits an image to the eyeglass-type wearable terminal 11, a database DB7a that stores in advance a three-dimensional conductor part image model related to each conductor part, and a state of charge / power failure of the conductor part between each device. Position data received from the 3D color-coded conductor part image model generation unit 61 that generates the 3D color-coded conductor part image model in which the charging / power failure points are color-coded from the 3D conductor part image model, and the eyeglass-type wearable terminal 11. A warning image generation unit 65 that generates a warning image in the visual direction from the three-dimensional color-coded conductor unit image model according to the attitude data, and a second communication unit 35 that transmits the generated warning image to the glasses-type wearable terminal 11. It is characterized by having.
According to this aspect, the three-dimensional conductor part image model related to each conductor part is stored in the database DB7a in advance, and the three-dimensional color-coded conductor part image model generation unit 61 is in a state of charge / power failure of the conductor part between each device. Correspondingly, a three-dimensional color-coded conductor part image model in which charge and power failure points are color-coded is generated from the three-dimensional conductor part image model. The warning image generation unit 65 generates a warning image in the visual direction from the three-dimensional color-coded conductor unit image model according to the position data and the posture data received from the eyeglass-type wearable terminal 11. Since the second communication unit 35 transmits the generated warning image to the spectacle-type wearable terminal 11, the spectacle-type wearable terminal 11 can present the warning image indicating the charging location to the inspector in real time.
At this time, the inspector examines the actual scenery in the line-of-sight direction seen through the pair of transparent lenses 71R and 71L of the spectacle body 71 and the line-of-sight direction displayed on the display 81 seen through the lenses 71R and 71L. Since the work or the like can be performed while viewing the warning image of the above, it is possible to prevent the occurrence of an electric shock accident caused by approaching or contacting the charging point.

<Second aspect>
The three-dimensional color-coded conductor part image model generation unit 61 of this embodiment charges the three-dimensional conductor part image model corresponding to the conductor part number of each conductor part according to the charging / power failure state corresponding to the conductor part number of each conductor part. It is characterized in that a three-dimensional color-coded conductor portion image model in which the power failure location is color-coded is generated.
According to this aspect, the three-dimensional color-coded conductor section image model generation section 61 changes from the three-dimensional conductor section image model to the conductor section number of each conductor section according to the charge / power failure state corresponding to the conductor section number of each conductor section. Since a three-dimensional color-coded conductor part image model in which the corresponding charge / power failure points are color-coded is generated, the charge / power failure state corresponding to the conductor part number of each conductor part can be displayed by the charge / power failure point corresponding to the conductor part number of each conductor part. It can be reflected in the color-coded three-dimensional color-coded conductor part image model.

<Third aspect>
The three-dimensional color-coded conductor unit image model generation unit 61 of this embodiment adds a first color to the power failure location included in the three-dimensional conductor portion image model according to the charging / power failure state of the conductor portion between each device, and charges the charging location. By adding a second color different from the first color to the conductor, a three-dimensional color-coded conductor portion image model in which the charging / failing points are color-coded is generated.
According to this aspect, the three-dimensional color-coded conductor section image model generation section 61 adds a first color to the power failure location included in the three-dimensional conductor section image model according to the charging / power failure state of the conductor section between the devices. By adding a second color different from the first color to the charging location, a three-dimensional color-coded conductor image model in which the charging / power failure location is color-coded is generated. It is possible to generate a three-dimensional color-coded conductor section image model in which a second color different from the first color is added.

<Fourth aspect>
The three-dimensional color-coded conductor unit image model generation unit 61 of the present embodiment adds a specific color to the charging portion included in the three-dimensional conductor unit image model according to the charging / power failure state of the conductor unit between the devices. It is characterized in that a three-dimensional color-coded conductor portion image model in which charge / power failure points are color-coded is generated.
According to this aspect, the three-dimensional color-coded conductor unit image model generation unit 61 adds a specific color to the charging portion included in the three-dimensional conductor unit image model according to the charging / power failure state of the conductor unit between the devices. As a result, a three-dimensional color-coded conductor portion image model in which the charging / power failure portion is color-coded can be generated, so that a three-dimensional color-coded conductor portion image model in which a specific color is added to the charging portion can be generated.

<Fifth aspect>
The three-dimensional color-coded conductor part image model generation unit 61 of this embodiment generates a three-dimensional color-coded conductor part image model when the charge / power failure state corresponding to the conductor part number of each conductor part is the same as the previous content. It is characterized by discontinuing.
According to this aspect, the three-dimensional color-coded conductor part image model generation unit 61 is a three-dimensional color-coded conductor part image model when the charge / power failure state corresponding to the conductor part number of each conductor part is the same as the previous content. Is stopped, so that the processing load can be reduced when the same charge / power failure state continues.

<Sixth aspect>
The warning image generation unit 65 of this embodiment is characterized in that a warning image is generated by cutting out an image in the visual direction according to position data and posture data from a three-dimensional color-coded conductor unit image model.
According to this aspect, the warning image generation unit 65 generates a warning image by cutting out an image in the visual direction according to the position data and the attitude data from the three-dimensional color-coded conductor unit image model, so that the warning image in the visual direction is generated. Can be generated.

<7th aspect>
The warning image providing system 1 of this aspect is a warning image providing system 1 including the server 7 according to any one of the first to sixth aspects and the eyeglass-type wearable terminal 11. The wearable terminal 11 includes a GPS receiving unit 75 that detects a position, an acceleration sensor 77 that detects attitude data, a communication unit 95 that transmits the detected position data and attitude data to the server 7, and a warning image received from the server 7. It is characterized in that it is provided with a display 81 for projecting.
According to this aspect, in the glasses-type wearable terminal 11, the acceleration sensor 77 detects the GPS receiving unit 75 and the attitude data for detecting the position, and the communication unit 95 transmits the detected position data and the attitude data to the server 7. Since the warning image transmitted and received from the server 7 is projected on the display 81, the warning image in the visual direction according to the position and orientation of the eyeglass-type wearable terminal 11 can be projected on the display 81.

<8th aspect>
The warning image providing system 1 of this aspect is a warning image providing system 1 including the server 7 according to any one of the first to sixth aspects and the eyeglass-type wearable terminal 11, and is an eyeglass-type. The wearable terminal 11 includes a camera 73 that captures a shooting target and outputs a target image, a GPS receiving unit 75 that detects the position of the camera 73, an acceleration sensor 77 that detects an attitude, and an image acquired from the camera 73, GPS reception. A communication unit 95 that transmits position data and attitude data acquired from the unit 75 and the acceleration sensor 77 to the server 7, and the server 7 receives images, position data, and attitude data from the eyeglass-type wearable terminal 11. It is characterized by including a two-communication unit 35 and a three-dimensional conductor unit image model generation unit 59 that generates a three-dimensional conductor unit image model based on received images, position data, and attitude data.
According to this aspect, in the spectacle-type wearable terminal 11, the camera 73 captures a shooting target and outputs a target image. The acceleration sensor 77 detects the GPS receiving unit 75 that detects the position of the camera 73 and the posture. The communication unit 95 transmits the image acquired from the camera 73, the position data and the attitude data acquired from the GPS receiving unit 75 and the acceleration sensor 77 to the server 7. On the other hand, in the server 7, the second communication unit 35 receives the image, the position data, and the posture data from the glasses-type wearable terminal 11. The 3D conductor image model generation unit 59 generates a 3D conductor image model based on the received image, position data, and attitude data.
As a result, the target image, position, and posture taken by the glasses-type wearable terminal 11 are transmitted to the server 7, and the three-dimensional conductor portion is based on the image, position, and posture received by the server 7 from the glasses-type wearable terminal 11. Since the image model is generated, it is possible to generate a three-dimensional conductor portion image model compatible with the eyeglass-type wearable terminal 11.

<9th aspect>
In the warning image providing method of this embodiment, information is acquired from the electric station monitoring device 5 that collects the open / closed state or the operating state of each device in the electrical equipment, and the charging / power failure state of the conductor portion between the devices is determined based on the information. A storage step (S60) in which a warning image is provided by a server 7 that generates an image to be represented and transmits the image to the eyeglass-type wearable terminal 11 and stores a three-dimensional conductor portion image model related to each conductor portion in advance in the database DB 7a. ), And a color-coded model generation step (S130) for generating a three-dimensional color-coded conductor part image model in which the charge / power failure points are color-coded from the three-dimensional conductor part image model according to the state of charge / power failure of the conductor part between each device. A warning image generation step (S140) for generating a warning image in the visual direction from a three-dimensional color-coded conductor image model according to position data and posture data received from the glasses-type wearable terminal 11, and a glasses-type warning image generated. It is characterized in that the transmission step (S150) of transmitting to the wearable terminal 11 is executed.
Since the operation and effect of the eighth aspect are the same as those of the first aspect, the description thereof will be omitted.

1 ... Warning image providing system, 5 ... Electrical station monitoring device, 7 ... Server, 7a ... Database DB, 11 ... Glass-type wearable terminal, 35 ... Communication unit, 59 ... Dimensional conductor image model generation unit, 61 ... Conductor image Model generator, 65 ... Warning image generator, 73 ... Camera, 75 ... GPS receiver, 77 ... Accelerometer, 81 ... Display, 95 ... Communication unit

Claims (9)

Information is acquired from an electric station monitoring device that collects the open / closed state or operating state of each device in electrical equipment, and based on the information, an image showing the charging / power failure state of the conductor portion between each device is generated to form a glasses type. A warning image providing server that sends the image to a wearable terminal.
A storage means for preliminarily storing a three-dimensional conductor part image model related to each conductor part, and
A color-coded model generation means for generating a three-dimensional color-coded conductor portion image model in which the charging / failing portion is color-coded from the three-dimensional conductor portion image model according to the charge / power failure state of the conductor portion between the devices.
A warning image generating means that generates a warning image in the visual direction from a three-dimensional color-coded conductor image model according to the position and orientation received from the eyeglass-type wearable terminal.
A warning image providing server including a transmission means for transmitting the generated warning image to the glasses-type wearable terminal. The color-coded model generation means
From the three-dimensional conductor part image model, a three-dimensional color-coded conductor part image model in which the charge / power failure part corresponding to the conductor part number of each conductor part is color-coded according to the charge / power failure state corresponding to the conductor part number of each conductor part. The warning image providing server according to claim 1, wherein the warning image is generated. The color-coded model generation means
A first color is added to the power failure location included in the three-dimensional conductor portion image model, and a second color different from the first color is added to the charging location according to the charge / power failure state of the conductor portion between the devices. The warning image providing server according to claim 1, wherein a three-dimensional color-coded conductor portion image model in which charge / power failure points are color-coded is generated. The color-coded model generation means
A three-dimensional color-coded conductor unit in which the charge / power failure location is color-coded by adding a specific color to the charging portion included in the three-dimensional conductor portion image model according to the charge / power failure state of the conductor portion between the devices. The warning image providing server according to claim 1, wherein an image model is generated. The color-coded model generation means
Claims 1 to 4, wherein the generation of the three-dimensional color-coded conductor portion image model is stopped when the charge / power failure state corresponding to the conductor portion number of each conductor portion is the same as the previous content. The warning image providing server described in any one of the items. The warning image generating means is
The warning image providing server according to claim 1, wherein a warning image is generated by cutting out an image in a visual direction according to a position and an orientation from the three-dimensional color-coded conductor portion image model. The warning image providing server according to any one of claims 1 to 6 and the warning image providing server.
It is a warning image providing system equipped with a glasses-type wearable terminal.
The glasses-type wearable terminal is
A detection means for detecting the position and posture, and
A transmission means for transmitting the detected position and orientation to the warning image providing server, and
A warning image providing system including a projection means for projecting a warning image received from the warning image providing server. The warning image providing server according to any one of claims 1 to 6 and the warning image providing server.
It is a warning image providing system equipped with a glasses-type wearable terminal.
Glasses-type wearable terminals
A camera that shoots the target and outputs the target image,
A detection means that detects the position and orientation of the camera,
A transmission means for transmitting an image acquired from the camera, a position and a posture acquired from the detection means to the warning image providing server, and the like.
The warning image providing server is
A receiving means for receiving the image, position, and posture from the glasses-type wearable terminal, and
A warning image providing system including a three-dimensional model generating means for generating the three-dimensional conductor portion image model based on the received image, position, and posture. Information is acquired from an electric station monitoring device that collects the open / closed state or operating state of each device in electrical equipment, and an image showing the charging / power failure state of the conductor portion between each device is generated based on the information to generate a glasses type. A method of providing a warning image by a warning image providing server that transmits the image to a wearable terminal.
A storage step of preliminarily storing a three-dimensional conductor image model related to each conductor in a storage means,
A color-coded model generation step of generating a three-dimensional color-coded conductor portion image model in which the charging / failing portion is color-coded from the three-dimensional conductor portion image model according to the charge / power failure state of the conductor portion between the devices.
A warning image generation step of generating a warning image in the visual direction from a three-dimensional color-coded conductor image model according to the position and orientation received from the eyeglass-type wearable terminal.
A method for providing a warning image, which comprises executing a transmission step of transmitting the generated warning image to the glasses-type wearable terminal.

Images