JP6874879B2 - Vehicle record control device, vehicle record device, vehicle record control method and program - Google Patents

Description

The present invention relates to a vehicle record control device, a vehicle record device, a vehicle record control method and a program.

There is a vehicle recording device having a parking recording function for recording an event while the vehicle is parked. In the parking recording function, there is known a technique of receiving electric power from a battery built in a vehicle recording device or a vehicle battery to perform an operation. Further, in the parking recording function, a technique is known in which an event detection function is operated during a parking period and recording is started after the event is detected to reduce power consumption and enable long-term operation (). For example, see Patent Document 1).

JP-A-2018-055630

When power is supplied from the battery built into the vehicle recording device or the vehicle battery, the remaining capacity of the battery limits the operating time. Further, when recording is started after the event is detected, the video data at the time of event detection and before the event detection is not captured. As a result, it may be difficult to properly grasp the situation at the time of event detection from the video data.

The present invention has been made in view of the above, and an object of the present invention is to appropriately record an image while the vehicle is parked.

In order to solve the above-mentioned problems and achieve the object, the vehicle recording control device according to the present invention includes a video data acquisition unit that acquires video data taken by a shooting unit that photographs the surroundings of the vehicle, and the vehicle. Recording function control that controls an event detection unit that detects an event and a parking recording function that saves the video data acquired by the video data acquisition unit when the event detection unit detects an event while the vehicle is parked. A unit, a communication unit that communicates with an external camera, and an external camera that, when the vehicle is parked, acquires an image from the external camera by the communication unit and determines that the vehicle is photographed in the image. The recording function control unit includes an image analysis unit, and when the external camera image analysis unit determines that the vehicle is photographed in the image acquired from the external camera, the parking recording function is first used. When it is determined that the vehicle is not photographed in the image acquired from the external camera, the parking recording function is set to the second state different from the first state.

Further, as another aspect of the vehicle recording control device according to the present invention, there are a video data acquisition unit that acquires video data captured by a photographing unit that photographs the surroundings of the vehicle, and an event detecting unit that detects an event for the vehicle. When the event detection unit detects an event while the vehicle is parked, the recording function control unit that controls the parking recording function that saves the video data acquired by the video data acquisition unit communicates with the external camera. When the vehicle is parked, the communication unit obtains from the external camera the result of recognizing that the vehicle is photographed in the image captured by the external camera. When the result acquired by the communication unit is that the vehicle is photographed in the image acquired from the external camera, the recording function control unit sets the parking recording function as the first state and sets the external camera in the first state. When the vehicle is not photographed in the image acquired from the above, the parking recording function is set to a second state different from the first state.

The vehicle record control method according to the present invention includes a video data acquisition step of acquiring video data taken by a photographing unit that photographs the surroundings of the vehicle, an event detection step of detecting an event for the vehicle, and parking of the vehicle. In addition, when an event is detected by the event detection step, a recording function control step that controls a parking recording function that saves the video data acquired in the video data acquisition step, and an external camera when the vehicle is parked. The recording function control step is the external camera image analysis step, which includes an external camera image analysis step of communicating to acquire an image and determining that the vehicle is being photographed in the image. When it is determined that the vehicle is photographed in the image acquired from the above, the parking recording function is set to the first state, and when it is determined that the vehicle is not photographed in the image acquired from the external camera, the parking record is recorded. The vehicle record control device executes the function to be in the second state different from the first state.

The program according to the present invention includes a video data acquisition step of acquiring video data taken by a shooting unit that shoots the surroundings of the vehicle, an event detection step of detecting an event for the vehicle, and the event while the vehicle is parked. When an event is detected by the detection step, the recording function control step for controlling the parking recording function for storing the video data acquired in the video data acquisition step and the external camera when the vehicle is parked are communicated with each other. The recording function control step includes an external camera image analysis step of acquiring an image and determining that the vehicle is being photographed in the image, and the recording function control step is an image acquired from the external camera in the external camera image analysis step. When it is determined that the vehicle is being photographed, the parking recording function is set to the first state, and when it is determined that the vehicle is not photographed in the image acquired from the external camera, the parking recording function is set to the first state. A computer operating as a vehicle record control device is made to perform a second state different from the first state.

According to the present invention, there is an effect that an image can be appropriately recorded while the vehicle is parked.

FIG. 1 is a block diagram showing a configuration example of a vehicle recording device having a vehicle recording control device according to the first embodiment. FIG. 2 is a flowchart showing a processing flow in the vehicle recording control device according to the first embodiment. FIG. 3 is a flowchart showing a processing flow in the vehicle recording control device according to the first embodiment. FIG. 4 is a flowchart showing a processing flow in the vehicle recording control device according to the first embodiment. FIG. 5 is a block diagram showing a configuration example of a vehicle recording device having the vehicle recording control device according to the second embodiment. FIG. 6 is a flowchart showing a processing flow in the vehicle recording control device according to the second embodiment. FIG. 7 is a flowchart showing a processing flow in the vehicle recording control device according to the third embodiment. FIG. 8 is a block diagram showing a configuration example of a vehicle recording device having the vehicle recording control device according to the fourth embodiment. FIG. 9 is a flowchart showing a processing flow in the vehicle record control device according to the fourth embodiment. FIG. 10 is a block diagram showing a configuration example of a vehicle recording device having the vehicle recording control device according to the fifth embodiment. FIG. 11 is a flowchart showing a processing flow in the vehicle record control device according to the fifth embodiment.

Hereinafter, embodiments of a vehicle recording control device, a vehicle recording device, a vehicle recording control method, and a program according to the present invention will be described in detail with reference to the accompanying drawings. The present invention is not limited to the following embodiments.
[First Embodiment]
FIG. 1 is a block diagram showing a configuration example of a vehicle recording device having a vehicle recording control device according to the first embodiment. The vehicle recording device 10 sets the parking recording function in a different state depending on whether the vehicle is parked in the shooting range of the external camera or outside the shooting range.

The external camera is a camera that captures a range including a parking lot. The external camera is a camera capable of acquiring data by the user of the vehicle recording device 10. The external camera is installed in, for example, a parking lot at home or a parking lot at work. The external camera includes, for example, a camera installed in a parking lot such as a store, in which data can be acquired by a user. The external camera does not include, for example, a camera installed in a parking lot such as a store where the user cannot acquire data.

The vehicle recording device 10 may be a portable device that can be used in the vehicle, in addition to the device mounted on the vehicle. The vehicle recording device 10 includes a camera (shooting unit) 210, a recording unit 220, an operation unit 230, a display unit 240, an acceleration sensor 250, a GPS (Global Positioning System) receiving unit 260, and vehicle recording control. It has a device 100 and.

The camera 210 is a camera that photographs the surroundings of the vehicle. In the present embodiment, the camera 210 will be described as a camera capable of photographing the entire sky of 360 °, but the present invention is not limited to this, and a single camera facing in one direction or a plurality of cameras that photograph each direction respectively. It may be a group of cameras. The camera 210 is arranged, for example, in front of the vehicle interior of the vehicle. The camera 210 constantly captures images from the start of the engine to the stop of the engine, that is, while the vehicle is in operation. In the present embodiment, the camera 210 constantly captures an image while the accessory power supply of the vehicle is ON. In the present embodiment, the camera 210 can store an image for a predetermined period of, for example, about several tens of seconds when an event is detected while the accessory power is off, in other words, while the vehicle is parked. The camera 210 outputs the captured video data to the video data acquisition unit 120 of the vehicle recording control device 100. The video data is, for example, a moving image composed of an image of 30 frames per second.

The recording unit 220 is used for temporary storage of data in the vehicle recording device 10. The recording unit 220 is, for example, a semiconductor memory element such as a RAM (Random Access Memory) or a flash memory (Flash Memory), or a recording unit such as a memory card. Alternatively, it may be an external recording unit wirelessly connected via a communication device (not shown). The recording unit 220 records loop recording video data or event recording data based on the control signal output from the recording function control unit 123 of the vehicle recording control device 100.

The operation unit 230 can accept various operations on the vehicle recording device 10. For example, the operation unit 230 can accept an operation of manually saving the captured video data in the recording unit 220. For example, the operation unit 230 can accept an operation of reproducing the loop recorded video data or the event recording data recorded in the recording unit 220. For example, the operation unit 230 can accept an operation of erasing the event record data recorded in the recording unit 220. For example, the operation unit 230 can accept an operation to end the loop recording. The operation unit 230 outputs the operation information to the operation control unit 125 of the vehicle record control device 100.

As an example, the display unit 240 is a display device unique to the vehicle recording device 10 or a display device shared with other systems including a navigation system. The display unit 240 may be formed integrally with the camera 210. The display unit 240 is a display including, for example, a liquid crystal display (LCD: Liquid Crystal Display) or an organic EL (Organic Electro-Luminence) display. In the present embodiment, the display unit 240 is arranged on a dashboard, an instrument panel, a center console, or the like in front of the driver of the vehicle. The display unit 240 displays an image based on the image signal output from the display control unit 126 of the vehicle recording control device 100. The display unit 240 displays the image captured by the camera 210 or the image recorded on the recording unit 220.

The acceleration sensor 250 is a sensor that detects the acceleration of the vehicle. In this embodiment, the acceleration sensor 250 detects the acceleration as the value of the speed change of the vehicle. The acceleration sensor 250 outputs the detection result to the event detection unit 127 of the vehicle recording control device 100. The acceleration sensor 250 is, for example, a sensor that detects acceleration in three axial directions. The three-axis directions are the front-rear direction, the left-right direction, and the up-down direction of the vehicle.

The GPS receiving unit 260 receives radio waves from GPS satellites (not shown). The GPS receiving unit 260 outputs the signal of the received radio wave to the position information acquisition unit 128 of the vehicle recording control device 100.

The vehicle recording control device 100 is, for example, an arithmetic processing device (control device) composed of a CPU (Central Processing Unit) or the like. The vehicle recording control device 100 loads the stored program into the memory and executes the instructions included in the program. The vehicle record control device 100 includes an internal memory (not shown), and the internal memory is used for temporary storage of data in the vehicle record control device 100 and the like. The vehicle recording control device 100 includes a video data acquisition unit 120, a buffer memory 121, a video data processing unit 122, a recording function control unit 123, a reproduction control unit 124, and an operation control unit connected to the bus 110. It has 125, a display control unit 126, an event detection unit 127, a position information acquisition unit 128, a position determination unit 129, and a power supply information acquisition unit 130.

The video data acquisition unit 120 acquires video data obtained by photographing the surroundings of the vehicle. More specifically, the video data acquisition unit 120 acquires the video data output by the camera 210 and outputs it to the buffer memory 121.

The buffer memory 121 is an internal memory included in the vehicle recording control device 100, and is a memory that temporarily records video data for a certain period of time acquired by the video data acquisition unit 120 while updating it.

The video data processing unit 122 stores the video data temporarily stored in the buffer memory 121, for example, by H.I. Convert to any file format encoded by any codec such as 264 or MPEG-4 (Moving Picture Experts Group), for example MP4 format. The video data processing unit 122 generates video data as a file for a certain period of time from the video data temporarily stored in the buffer memory 121. As a specific example, the video data processing unit 122 generates video data temporarily stored in the buffer memory 121 as a file for 60 seconds in the recording order. The video data processing unit 122 outputs the generated video data to the recording function control unit 123. Further, the video data processing unit 122 outputs the generated video data to the display control unit 126. The period of the video data generated as a file is set to 60 seconds as an example, but the period is not limited to this. The video data referred to here may be data including audio in addition to the video captured by the camera 210.

The recording function control unit 123 controls the recording unit 220 to record the video data filed by the video data processing unit 122. The recording function control unit 123 records the video data filed by the video data processing unit 122 as overwriteable video data during the period when the loop recording processing is executed, such as when the accessory power supply of the vehicle is ON. Record at 220. More specifically, the recording function control unit 123 continues to record the video data generated by the video data processing unit 122 in the recording unit 220 during the period when the loop recording processing is executed, such as when the accessory power supply is ON, and the recording unit When the capacity of 220 is full, the oldest video data is overwritten with new video data and recorded.

Further, when the event detection unit 127 detects an event, the recording function control unit 123 records the video data of the video data generated by the video data processing unit 122 for a predetermined period as event recording data for which overwriting is prohibited. Store at 220.

When shooting is started after the event is detected, the event recording data stored in the recording unit 220 by the recording function control unit 123 is, for example, about 10 seconds or more and 60 seconds or less after the event is detected and shooting is started. The video data for a predetermined period of time is saved as event recording data. The event recording data stored in the recording unit 220 by the recording function control unit 123 has a predetermined period of about 10 seconds or more and 60 seconds or less before and after the time when the event is detected during the period during which the loop recording process is being performed. Save the video data as event recording data.

The recording function control unit 123 operates the parking recording function when the accessory power supply of the vehicle is OFF, in other words, while the vehicle is parked. That is, the recording function control unit 123 determines that the vehicle is parked by acquiring a signal indicating that the accessory power supply of the vehicle has been turned off from the power supply information acquisition unit 130. The parking recording function is a function of saving the video data taken by the camera 210 when an event is detected while the vehicle is parked.

In the present embodiment, the recording function control unit 123 controls the parking recording function according to the parking position of the vehicle. More specifically, the recording function control unit 123 puts the parking recording function in the first state when the vehicle is stopped in the shooting range of the external camera, and when the vehicle is stopped outside the shooting range of the external camera, the parking recording function. Is a second state different from the first state. The first state of the parking recording function is an operation in which the power consumption required for processing is smaller than that of the second state.

The recording function control unit 123 executes the following processing as an example of combining the first state and the second state of the parking recording function. The recording function control unit 123 stops the operation of the parking recording function as the first state of the parking recording function. More specifically, the recording function control unit 123 controls to stop the photographing by the camera 210 and the detection of the acceleration by the acceleration sensor 250.

The recording function control unit 123 causes the event detection unit 127 to execute event detection as the second state of the parking recording function, and when the event detection unit 127 acquires a signal indicating that the event has been detected, the camera 210 is activated. Then, shooting is executed for a predetermined period after the event is detected. The recording function control unit 123 stores the captured video data as event recording data in the recording unit 220.

Alternatively, the recording function control unit 123 causes the event detection unit 127 to execute event detection and loop recording as the second state of the parking recording function, and a signal indicating that the event has been detected from the event detection unit 127. Is acquired, the video data of the video data recorded in the loop for a predetermined period before and after the event is detected is stored in the recording unit 220 as the event recording data.

Such a recording function control unit 123 stops the operation of the parking recording function as the first state of the parking recording function, causes the event detection unit 127 to execute event detection as the second state of the parking recording function, and causes an event. The video data for a predetermined period after the event is detected by the detection unit 127 is stored, or the video data for a predetermined period before and after the event is detected by the event detection unit 127 is stored.

Alternatively, the recording function control unit 123 executes the following processing as another combination example of the first state and the second state of the parking recording function. The recording function control unit 123 causes the event detection unit 127 to execute event detection as the first state of the parking recording function, and when the event detection unit 127 acquires a signal indicating that the event has been detected, the camera 210 is activated. Then, shooting is executed for a predetermined period after the event is detected. The recording function control unit 123 stores the captured video data as event recording data in the recording unit 220.

As the second state of the parking recording function, the recording function control unit 123 causes the event detection unit 127 to execute event detection and loop recording, and acquires a signal from the event detection unit 127 indicating that the event has been detected. Then, the video data for a predetermined period before and after the event detection is stored in the recording unit 220 as event recording data.

Such a recording function control unit 123 causes the event detection unit 127 to execute event detection as the first state of the parking recording function, and saves video data for a predetermined period after the event is detected by the event detection unit 127. As the second state of the parking recording function, the event detection unit 127 is made to detect the event, and the video data for a predetermined period before and after including the time when the event is detected by the event detection unit 127 is saved. Is.

The reproduction control unit 124 controls to reproduce the loop recorded video data or the event recording data recorded in the recording unit 220 based on the control signal of the reproduction operation output from the operation control unit 125.

The operation control unit 125 acquires the operation information of the operation received by the operation unit 230. For example, the operation control unit 125 acquires the save operation information indicating the manual save operation of the video data, the reproduction operation information indicating the reproduction operation, or the erase operation information indicating the erase operation of the video data, and outputs the control signal. For example, the operation control unit 125 acquires end operation information indicating an operation for ending loop recording and outputs a control signal.

The display control unit 126 controls the display of video data on the display unit 240. The display control unit 126 outputs a video signal for outputting the video data to the display unit 240. More specifically, the display control unit 126 outputs a video signal captured by the camera 210 or a video signal to be displayed by reproducing the loop recorded video data or the event recording data recorded in the recording unit 220.

The event detection unit 127 detects an event for the vehicle based on the detection result of the acceleration sensor 250. More specifically, the event detection unit 127 detects an acceleration equal to or greater than a threshold value in the acceleration detected by the acceleration sensor 250 as an event. The threshold value for detecting an event during parking recording may be set to a threshold value smaller than the threshold value for detecting an event during driving. For example, when the threshold value of the acceleration for detecting an event during running is, for example, about 1 G, the threshold value for the acceleration for detecting an event during parking recording may be about 0.3 G.

The position information acquisition unit 128 calculates the current position information of the vehicle by a known method based on the radio waves received by the GPS reception unit 260.

When the recording function control unit 123 determines that the vehicle is parked, the position determination unit 129 determines that the vehicle has a shooting range of the external camera based on the current position information of the vehicle acquired by the position information acquisition unit 128. Determine if it is located in. In the present embodiment, the position determination unit 129 determines whether the vehicle is located at the pre-registered parking position based on the current position information of the vehicle acquired by the position information acquisition unit 128.

The shooting range of the external camera is the range that the external camera can shoot. The shooting range of the external camera is, for example, the shooting range of an external camera installed in a parking lot at home or a parking lot at work. The shooting range of the external camera includes, for example, a shooting range of the external camera installed in a parking lot such as a store, in which the user can acquire data. The shooting range of the external camera is stored in the storage unit in advance. In addition, the shooting range of the external camera may be acquired from an external camera or the like when parking, and the current position information of the vehicle is transmitted to the external camera or the like when parking to obtain information on whether or not the vehicle is within the shooting range of the external camera. You may try to get it.

The power supply information acquisition unit 130 acquires information on whether the accessory power supply of the vehicle is ON or OFF based on the electric power supplied to the vehicle recording device 10. The power supply information acquisition unit 130 outputs the acquisition result to the recording function control unit 123.

Next, the flow of processing in the vehicle record control device 100 will be described with reference to FIG. FIG. 2 is a flowchart showing a processing flow in the vehicle recording control device according to the first embodiment. The vehicle record control device 100 acquires the current position information of the vehicle by the position information acquisition unit 128 during the operation of the vehicle. The operating vehicle is a case where the vehicle recording device 10 is not in a parked state, such as when power is supplied from the accessory power source of the vehicle. When the vehicle is stopped, the vehicle record control device 100 executes the processing of the flowchart shown in FIG. When the vehicle stops, the shift position is set to "parking", the side brake is operated, for example, the speed becomes zero for a time of 5 seconds or more, the engine is stopped, and the like. Alternatively, it may be determined that the vehicle has stopped by an arbitrary trigger such as a user operation.

The vehicle record control device 100 determines whether or not the position where the vehicle is parked is a pre-registered parking position (step S10). More specifically, the vehicle record control device 100 determines whether or not the vehicle is located at a pre-registered parking position based on the current position information of the vehicle acquired by the position information acquisition unit 128 by the position determination unit 129. To judge. When the position determination unit 129 determines that the vehicle is located at the parking position registered in advance (Yes in step S10), the vehicle record control device 100 proceeds to step S11. When the position determination unit 129 determines that the vehicle is not located at the parking position registered in advance (No in step S10), the vehicle record control device 100 proceeds to step S13.

When the vehicle record control device 100 determines that the vehicle is located at the parking position registered in advance (Yes in step S10), it determines whether or not the accessory power supply of the vehicle has been turned off (step S11). If it is determined that the accessory power supply has been turned off (Yes in step S11), the process proceeds to step S12. When the vehicle recording control device 100 determines that the accessory power supply is not OFF (No in step S11), the vehicle recording control device 100 ends this process.

When the vehicle recording control device 100 detects that the vehicle accessory power supply has been turned off (Yes in step S11), the recording function control unit 123 starts the parking recording function as the first state (step S12). , End this process.

When the vehicle record control device 100 determines that the vehicle is not located at the pre-registered parking position (No in step S10), the vehicle record control device 100 determines whether or not the accessory power supply of the vehicle has been turned off. Determine (step S13). If it is determined that the accessory power supply has been turned off (Yes in step S13), the process proceeds to step S14. When the vehicle recording control device 100 determines that the accessory power supply is not OFF (No in step S13), the vehicle recording control device 100 ends this process.

When the vehicle recording control device 100 detects that the vehicle accessory power supply has been turned off (Yes in step S13), the recording function control unit 123 starts the parking recording function as the second state and performs this process. finish.

In the process shown in FIG. 2, if the parking recording function is not in the first state or the second state and the process shown in FIG. 2 is completed, this process is executed again when the vehicle stops next time. In the process shown in FIG. 2, when the process shown in FIG. 2 is completed while the parking recording function is started as the first state or the second state, the parking recording function in step S12 or step S14 until the parking is completed. To execute.

Next, with reference to FIG. 3, the flow of the process of detecting an event as a parking recording function and saving the video data will be described. FIG. 3 is a flowchart showing a processing flow in the vehicle recording control device according to the first embodiment. In the process shown in FIG. 3, the camera 210 is activated based on the event detection in the first state or the second state of the parking recording function, and the video data for a predetermined period after the event detection is saved in the recording unit 220 as the event recording data. Corresponds to the processing to be performed.

The process of FIG. 3 is started when the parking recording function is started. The vehicle recording control device 100 starts detecting an event based on the output of the acceleration sensor 250 by the recording function control unit 123 (step S100), and proceeds to step S101.

The vehicle recording control device 100 determines whether or not an event has been detected based on the detection result of the acceleration sensor 250 by the event detection unit 127 (step S101). More specifically, when the event detection unit 127 detects an acceleration equal to or higher than the threshold value, the vehicle recording control device 100 determines that the event has been detected (Yes in step S101), and proceeds to step S102. If the event detection unit 127 does not detect an acceleration equal to or greater than the threshold value, the vehicle recording control device 100 determines that the event is not detected (No in step S101), and proceeds to step S105.

The vehicle recording control device 100 starts shooting by the camera 210 by the recording function control unit 123 (step S102), and proceeds to step S103.

The vehicle record control device 100 determines whether a predetermined period has elapsed (step S103). When the vehicle record control device 100 determines that the predetermined period has elapsed (Yes in step S103), the vehicle record control device 100 proceeds to step S104. When the vehicle record control device 100 determines that the predetermined period has not elapsed (No in step S103), the process of step S103 is executed again.

The vehicle recording control device 100 stores the captured video data as event recording data in the recording unit 220 by the recording function control unit 123 (step S104), and proceeds to step S105. The event recording data saved in step S104 is video data for a period from the start of shooting in step S102 until the determination that a predetermined period has elapsed in step S103 and the end of shooting in step S104.

The vehicle record control device 100 determines whether or not the parking recording function has been completed (step S105). The termination of the parking recording function is determined, for example, by turning on the accessory power supply or stopping the parking recording function by operating the operation unit 230.

If it is determined in step S105 that the parking recording function has ended (Yes in step S105), this process ends. If it is determined that the parking recording function has not been completed (No in step S105), the process returns to step S101.

Next, with reference to FIG. 4, a flow of a process of detecting an event as a parking recording function and saving video data using a loop recording process will be described. FIG. 4 is a flowchart showing a processing flow in the vehicle recording control device according to the first embodiment. In the process shown in FIG. 4, from the video data loop-recorded based on the event detection in the second state of the parking recording function, the video data for a predetermined period before and after the detection when the event is detected is used as the event detection data. Corresponds to the process of saving in the recording unit 220. The processing of step S111, step S112, and step S114 of FIG. 4 is the same as that of step S101, step S103, and step S105 of FIG.

The process of FIG. 4 is started when the parking recording function is started. The vehicle recording control device 100 starts the loop recording process by the recording function control unit 123, starts detecting an event based on the output of the acceleration sensor 250 (step S110), and proceeds to step S111.

The vehicle recording control device 100 stores video data for a predetermined period before and after including the event detection as event recording data by the recording function control unit 123 (step S113). More specifically, the vehicle recording control device 100 generates video data for a predetermined period before and after the event detection as event recording data by the video data processing unit 122. When the vehicle recording control device 100 determines in step S112 that the predetermined time has elapsed, the recording function control unit 123 generates an event recording for a predetermined period before and after the event detection, which is generated by the video data processing unit 122. The data is stored in the recording unit 220, and the process proceeds to step S114.

In this way, when the vehicle is parked in the shooting range of the external camera, the parking recording function is set to the first state, and when the vehicle is parked outside the shooting range of the external camera, the parking recording function is different from the first state. Put it in two states.

As described above, in the present embodiment, when the vehicle is parked in the shooting range of the external camera, the operation of the parking recording function is stopped as the first state of the parking recording function. In this case, since the surroundings of the parked vehicle are photographed by the external camera, it is sufficient to acquire the parked video data taken by the external camera as necessary, such as when an event occurs. In this way, according to the present embodiment, it is possible to acquire video data obtained by photographing the surroundings of a parked vehicle regardless of the remaining capacity of the battery.

Alternatively, in the present embodiment, when the vehicle is parked in the shooting range of the external camera, only the event detection operation is performed, and after the event is detected, the camera 210 is activated and the shot video data is saved as event recording data. You may let me. According to the present embodiment, since only the event detection operation is performed, the power consumption can be reduced as compared with the case where the loop recording process is performed. As a result, in the present embodiment, the parking recording function can be operated for a longer period of time as compared with the case where the loop recording process is performed. Further, when an event is detected, the video data before the event occurs may be acquired as the video data during parking taken by an external camera. According to the present embodiment, since the event recording data can be acquired in addition to the video data taken by the external camera, it is possible to more appropriately recognize the situation around the vehicle at the time of event detection.

In the present embodiment, when the vehicle is parked outside the shooting range of the external camera, the loop recording process is executed. Alternatively, in the present embodiment, when the vehicle is parked outside the shooting range of the external camera, only the event detection operation is performed, and when the event is detected, the camera 210 is activated and the shot video data is recorded as event recording data. It may be saved as. In this way, according to the present embodiment, it is possible to acquire video data obtained by photographing the surroundings of a parked vehicle.

As described above, according to the present embodiment, it is possible to appropriately record an image while the vehicle is parked according to the parking position of the vehicle.
[Second Embodiment]
The vehicle recording device 10A according to the present embodiment will be described with reference to FIGS. 5 and 6. FIG. 5 is a block diagram showing a configuration example of a vehicle recording device having the vehicle recording control device according to the second embodiment. FIG. 6 is a flowchart showing a processing flow in the vehicle recording control device according to the second embodiment. The basic configuration of the vehicle recording device 10A is the same as that of the vehicle recording device 10 of the first embodiment. In the following description, the same components as those of the vehicle recording device 10 are designated by the same reference numerals or corresponding reference numerals, and detailed description thereof will be omitted. The vehicle recording device 10A is different from the first embodiment in that the vehicle recording device 10A includes a communication unit 280A and a communication control unit 131A, and processing by the vehicle recording control device 100A and the position determination unit 129A.

The communication unit 280A is a communication unit for short-range wireless communication such as Bluetooth (registered trademark). The communication unit 280A transmits and receives radio waves to and from the communication unit of the external camera. The communication unit 280A can communicate with a device within a range of about several tens of meters. The communication unit 280A can transmit and receive radio waves when the vehicle is located in the shooting range of a pre-registered external camera. Alternatively, the communication unit 280A can transmit and receive radio waves when the vehicle is located at a pre-registered parking position.

The communication control unit 131A controls the transmission and reception of radio waves by the communication unit 280A.

The position determination unit 129A determines that the vehicle is located at the pre-registered parking position when communication with the external camera becomes possible via the communication unit 280A.

Next, the flow of processing in the vehicle record control device 100A will be described with reference to FIG. The processing of steps S21 to S24 is the same as that of steps S11 to S14 of the flowchart shown in FIG.

The vehicle recording control device 100A determines whether or not information has been received from the external camera (step S20). More specifically, when the position determination unit 128A determines that the communication control unit 131A has acquired the information from the external camera (Yes in step S20), the vehicle record control device 100A proceeds to step S21. When the position determination unit 128A determines that the communication control unit 131A has not acquired information from the external camera (No in step S20), the vehicle record control device 100A proceeds to step S23.

When the information is received from the external camera in this way, it is determined that the vehicle is located at the parking position registered in advance.

When communicating between the vehicle record control device 100A and the external camera, information indicating that communication is possible may be simply transmitted and received, and the parking position information acquired by the position information acquisition unit is transmitted to the external camera. You may. This is because the range in which communication with the external camera is possible is within a predetermined radius centered on the external camera, but the range captured by the external camera does not necessarily match the range in which communication is possible. In such a case, the parking position information acquired by the position information acquisition unit is transmitted to the external camera, and the external camera notifies the vehicle record control device whether or not the received parking position information is included in the shooting range. Send to 100A. The vehicle recording control device 100A determines whether to set the parking recording function in the first state or the second state based on the information on whether or not the received parking position information is included in the shooting range.

As described above, in the present embodiment, when information is received from the external camera, it can be determined that the vehicle is located at the parking position registered in advance. According to the present embodiment, while the vehicle is parked, the parking position of the vehicle can be determined more accurately and an appropriate image can be recorded.
[Third Embodiment]
The vehicle recording device 10A according to the present embodiment will be described with reference to FIG. 7. FIG. 7 is a flowchart showing a processing flow in the vehicle recording control device according to the third embodiment. The basic configuration of the vehicle recording device 10A is the same as that of the vehicle recording device 10A of the second embodiment. In the vehicle recording device 10A, the processing in the recording function control unit 123A is different from that in the second embodiment.

When the event detection unit 127 detects an event while the vehicle is parked, the recording function control unit 123A transmits at least the time information at the time of event detection to the external camera when the event is detected.

Next, the flow of processing in the vehicle record control device 100A will be described with reference to FIG. 7. The processing of steps S30 to S32, step S35, and step S36 is the same as that of steps S20 to S22, step S23, and step S24 of the flowchart shown in FIG. The process of step S33 is the same as that of step S101 shown in FIG.

When the event is detected (Yes in step S33), the vehicle recording control device 100A transmits the time information to the external camera by the communication control unit 131A (step S34), and ends the process. In FIG. 7, after step S34, the process described in FIG. 7 is completed, but in reality, the processes of steps S33 and S34 are continued until the parking recording function is completed.

In the process shown in FIG. 7, as the first state, when the parking recording function is stopped, the event detection function by the event detection unit 127 operates, and when an event is detected, the external camera is subjected to the process. Send the time information when the event was detected.

In the process shown in FIG. 7, as the first state, if the video data is stored for a predetermined period after the event is detected by the event detection unit 127, shooting is started when the event is detected. At the same time, the time information when the event was detected is transmitted to the external camera.

In the external camera, a flag associated with the time of the captured video data is set based on the received time information. Alternatively, the external camera may cut out and save the video data for a predetermined period before and after the event detection, based on the received time information.

As described above, in the present embodiment, when an event is detected, the time information at the time of event detection can be transmitted to the external camera. According to the present embodiment, it is possible to associate the detection of a vehicle event with the video data taken by an external camera. According to the present embodiment, it is possible to easily acquire video data around the vehicle for a predetermined period before and after the event detection, which is taken by an external camera.
[Fourth Embodiment]
The vehicle recording device 10B according to the present embodiment will be described with reference to FIGS. 8 and 9. FIG. 8 is a block diagram showing a configuration example of a vehicle recording device having the vehicle recording control device according to the fourth embodiment. FIG. 9 is a flowchart showing a processing flow in the vehicle record control device according to the fourth embodiment. The basic configuration of the vehicle recording device 10B is the same as that of the vehicle recording device 10A of the second embodiment. The vehicle recording device 10B is different from the second embodiment in that it has the distance determination unit 132B and the processing in the recording function control unit 123B.

The distance determination unit 132B determines whether the distance between the vehicle and the external camera is less than a predetermined distance. More specifically, the distance determination unit 132B may calculate the distance between the vehicle and the external camera based on the position information of the external camera received by the communication control unit 131B from the external camera. Alternatively, the distance determination unit 132B may calculate the distance between the vehicle and the external camera based on the detection result of a detection sensor (not shown).

The predetermined distance is a distance that is included in the image taken by the external camera to the extent that the state around the vehicle can be recognized. Recognizing the state around the vehicle means that the license plate of the vehicle, other vehicles around the vehicle, obstacles or persons can be identified. The predetermined distance is set in advance according to the shooting conditions including, for example, the image quality or the angle of view of the external camera. The predetermined distance is, for example, about 30 m or less.

When the vehicle is stopped within the shooting range of the external camera, the recording function control unit 123B controls the state of the parking recording function according to the distance between the vehicle and the external camera. This is because if the position is far from the external camera in the shooting range of the external camera, the situation around the vehicle may not be accurately recognized in the image taken by the external camera. More specifically, when the vehicle is stopped within the shooting range of the external camera and the distance between the vehicle and the external camera is less than a predetermined distance, the recording function control unit 123B sets the parking recording function as the first state and sets the parking recording function as the first state. When the distance to the external camera is greater than or equal to the predetermined distance, the parking recording function is set to the second state. In the present embodiment, the recording function control unit 123B sets the parking recording function to a state in which the parking recording function is stopped when the vehicle is stopped within the shooting range of the external camera and the distance between the vehicle and the external camera is less than a predetermined distance. When the distance between the vehicle and the external camera is equal to or greater than a predetermined distance, the event detection unit 127 sets the shooting data taken by the camera 210 to be saved for a period after the event is detected.

Next, the flow of processing in the vehicle record control device 100B will be described with reference to FIG. The processing of step S40, step S41, step S43 to step S45 is the same as that of step S20, step S21, step S22 to step S24 of the flowchart shown in FIG.

When the accessory power supply of the vehicle is turned off (Yes in step S41), the vehicle recording control device 100B determines whether the distance between the vehicle and the external camera is less than a predetermined distance by the distance determination unit 132B (step S42). ). When the distance determination unit 132B determines that the distance between the vehicle and the external camera is less than a predetermined distance (Yes in step S42), the vehicle record control device 100B proceeds to step S43. When the distance determination unit 132B determines that the distance between the vehicle and the external camera is not less than a predetermined distance (No in step S42), the vehicle record control device 100B proceeds to step S45.

In this way, when the vehicle is parked within the shooting range of the external camera, the state of the parking recording function is controlled according to the distance between the vehicle and the external camera.

As described above, in the present embodiment, when the vehicle is parked in the shooting range of the external camera, the state of the parking recording function can be controlled according to the distance between the vehicle and the external camera. According to the present embodiment, it is possible to record a more appropriate image according to the parking position of the vehicle while the vehicle is parked.
[Fifth Embodiment]
The vehicle recording device 10C according to the present embodiment will be described with reference to FIGS. 10 and 11. FIG. 10 is a block diagram showing a configuration example of a vehicle recording device having the vehicle recording control device according to the fifth embodiment. FIG. 11 is a flowchart showing a processing flow in the vehicle record control device according to the fifth embodiment. The basic configuration of the vehicle recording device 10C is the same as that of the vehicle recording device 10A of the second embodiment. The vehicle recording device 10C is different from the second embodiment in that it has the external camera image analysis unit 133C and the processing in the recording function control unit 123C.

The external camera image analysis unit 133C analyzes the image data taken by the external camera. More specifically, the external camera image analysis unit 133C acquires the image data taken by the external camera from the information acquired by the communication control unit 131C from the external camera. The external camera image analysis unit 133C performs image processing on the acquired image data to determine whether or not the vehicle is properly photographed.

When the vehicle is properly photographed, it means that it is possible to photograph the surrounding conditions including the vehicle. Appropriate shooting of the vehicle means that the vehicle is recognized as an image within the shooting range of the external camera. Therefore, in addition to the presence of the vehicle in the shooting range of the external camera, it means that the vehicle is not behind other objects such as other vehicles when viewed from the external camera.

The external camera image analysis unit 133C may have a function of acquiring the recognition result of the vehicle by the external camera via the communication unit 280C, instead of the function of acquiring and analyzing the image data taken by the external camera.

When the vehicle is stopped within the shooting range of the external camera, the recording function control unit 123C analyzes the video data taken by the external camera, determines whether the vehicle is properly shot, and determines the state of the parking recording function. To control. More specifically, when the recording function control unit 123B determines that the vehicle is properly photographed when the vehicle is stopped within the imaging range of the external camera, the parking recording function is set to the first state and the vehicle is appropriately photographed. If it is determined that the vehicle has not been photographed, the parking recording function is set to the second state.

Next, the flow of processing in the vehicle record control device 100C will be described with reference to FIG. The processing of step S50, step S51, step S55 to step S57 is the same as that of step S20, step S21, step S22 to step S24 of the flowchart shown in FIG. The process of step S33 is the same as that of step S101 shown in FIG.

When the accessory power supply of the vehicle is turned off (Yes in step S51), the vehicle recording control device 100C acquires the video data taken by the external camera by the external camera image analysis unit 133C (step S52), and in step S53. move on.

The vehicle recording control device 100C performs image processing on the acquired video data of the external camera to analyze whether or not the vehicle is being photographed (step S53), and proceeds to step S54.

The vehicle recording control device 100C determines whether or not the vehicle is properly photographed based on the analysis result of the external camera image analysis unit 133C (step S54). When the vehicle recording control device 100C determines that the vehicle is properly photographed based on the analysis result of the external camera image analysis unit 133C (Yes in step S54), the vehicle proceeds to step S55. When the vehicle recording control device 100C determines that the vehicle is not properly photographed based on the analysis result of the external camera image analysis unit 133C (No in step S54), the vehicle proceeds to step S57.

In this way, when the vehicle is parked within the shooting range of the external camera, the video data taken by the external camera is analyzed, and the parking recording function is used depending on whether or not the parking state of the vehicle is properly shot. Control the state.

As described above, when the vehicle is parked in the shooting range of the external camera, the present embodiment analyzes the video data taken by the external camera and records the parking according to whether or not the vehicle is properly shot. The state of the function can be controlled. According to the present embodiment, it is possible to more appropriately record an image according to the image data taken by an external camera while the vehicle is parked.

The vehicle recording device 10 according to the present invention may be implemented in various different forms other than the above-described embodiment.

Each component of the vehicle recording device 10 shown is functionally conceptual and does not necessarily have to be physically configured as shown in the figure. That is, the specific form of each device is not limited to the one shown in the figure, and all or part of each device is functionally or physically dispersed or integrated in an arbitrary unit according to the processing load and usage status of each device. You may.

The configuration of the vehicle recording device 10 is realized, for example, by a program loaded in a memory as software. In the above embodiment, it has been described as a functional block realized by linking these hardware or software. That is, these functional blocks can be realized in various forms by hardware only, software only, or a combination thereof.

The above-mentioned components include those that can be easily assumed by those skilled in the art and those that are substantially the same. Further, the above configurations can be combined as appropriate. Further, various omissions, substitutions or changes of the configuration can be made without departing from the gist of the present invention.

10 Vehicle recording device 100 Vehicle recording control device 110 Bus 120 Video data acquisition unit 121 Buffer memory 122 Video data processing unit 123 Recording function control unit 124 Playback control unit 125 Operation control unit 126 Display control unit 127 Event detection unit 128 Position information Acquisition unit 129 Position determination unit 130 Power supply information acquisition unit 210 Camera (shooting unit)
220 Recording unit 230 Operation unit 240 Display unit 250 Accelerometer 260 GPS receiving unit

Claims (6)

A video data acquisition unit that acquires video data taken by the shooting unit that shoots the surroundings of the vehicle,
An event detection unit that detects an event for the vehicle,
When the event detection unit detects an event while the vehicle is parked, the recording function control unit that controls the parking recording function that stores the video data acquired by the video data acquisition unit, and the recording function control unit.
A communication unit that communicates with an external camera
When the vehicle is parked, an external camera image analysis unit that acquires an image from the external camera by the communication unit and determines that the vehicle is photographed in the image.
With
When the recording function control unit determines that the vehicle is photographed in the image acquired from the external camera by the external camera image analysis unit, the event is detected by the event detection unit in the parking recording function. When it is determined that the video data acquired by the video data acquisition unit is stored for a predetermined period after that, and the vehicle is not photographed in the video acquired from the external camera, the parking recording function is activated. , The second state in which the video data acquired by the video data acquisition unit is stored for a predetermined period before and after the detection when the event is detected by the event detection unit.
Record control device for vehicles. A video data acquisition unit that acquires video data taken by the shooting unit that shoots the surroundings of the vehicle,
An event detection unit that detects an event for the vehicle,
When the event detection unit detects an event while the vehicle is parked, the recording function control unit that controls the parking recording function that stores the video data acquired by the video data acquisition unit, and the recording function control unit.
A communication unit that communicates with an external camera
When the vehicle is parked, an external camera image analysis unit that acquires an image from the external camera by the communication unit and determines that the vehicle is photographed in the image.
With
When the external camera image analysis unit determines that the vehicle is photographed in the image acquired from the external camera, the recording function control unit causes the parking recording function to stop the operation of the parking recording function. When it is determined that the vehicle is not photographed in the video acquired from the external camera in one state, the parking recording function is acquired by the video data acquisition unit by detecting the event by the event detection unit. The second state in which the recorded video data is saved,
Record control device for vehicles. A video data acquisition unit that acquires video data taken by the shooting unit that shoots the surroundings of the vehicle,
An event detection unit that detects an event for the vehicle,
When the event detection unit detects an event while the vehicle is parked, the recording function control unit that controls the parking recording function that stores the video data acquired by the video data acquisition unit, and the recording function control unit.
A communication unit that communicates with an external camera
When the vehicle is parked, by determining that the vehicle Oite the vehicle on the video acquired image from the external camera by the communication unit to not become the shadow of other objects are recognized An external camera image analysis unit that determines that the vehicle is being photographed,
With
When the external camera image analysis unit determines that the vehicle is photographed in the image acquired from the external camera, the recording function control unit sets the parking recording function as the first state and acquires the parking recording function from the external camera. When it is determined that the vehicle is not photographed in the video, the parking recording function is set to a second state different from the first state.
Record control device for vehicles. A video data acquisition unit that acquires video data taken by the shooting unit that shoots the surroundings of the vehicle,
An event detection unit that detects an event for the vehicle,
When the event detection unit detects an event while the vehicle is parked, the recording function control unit that controls the parking recording function that stores the video data acquired by the video data acquisition unit, and the recording function control unit.
A communication unit that communicates with an external camera
With
When the vehicle is parked, the communication unit acquires the result of recognizing that the vehicle is being photographed in the image captured by the external camera from the external camera.
When the result acquired by the communication unit is the result that the vehicle is photographed in the image acquired from the external camera, the recording function control unit performs the parking recording function by the event detection unit. If the video data acquired by the video data acquisition unit is stored in the first state for a predetermined period after the detection, and the vehicle is not photographed in the video acquired from the external camera, the parking record is recorded. The function is a second state in which the video data acquired by the video data acquisition unit is stored for a predetermined period before and after the detection when the event is detected by the event detection unit.
Record control device for vehicles. A video data acquisition unit that acquires video data taken by the shooting unit that shoots the surroundings of the vehicle,
An event detection unit that detects an event for the vehicle,
When the event detection unit detects an event while the vehicle is parked, the recording function control unit that controls the parking recording function that stores the video data acquired by the video data acquisition unit, and the recording function control unit.
A communication unit that communicates with an external camera
With
When the vehicle is parked, the communication unit acquires the result of recognizing that the vehicle is being photographed in the image captured by the external camera from the external camera.
When the result acquired by the communication unit is that the vehicle is photographed in the image acquired from the external camera, the recording function control unit stops the operation of the parking recording function and the parking recording function. a first state which causes, the case where the vehicle in the image acquired from the external camera is the result that is not photographed, the parking recording function, that event is detected by the event detecting unit, the image data acquisition unit The second state in which the video data acquired by the camera is saved,
Record control device for vehicles. A video data acquisition unit that acquires video data taken by the shooting unit that shoots the surroundings of the vehicle,
An event detection unit that detects an event for the vehicle,
When the event detection unit detects an event while the vehicle is parked, the recording function control unit that controls the parking recording function that stores the video data acquired by the video data acquisition unit, and the recording function control unit.
A communication unit that communicates with an external camera
With
The communication unit when the vehicle is parked, the results of the vehicle Oite the vehicle image the external camera shot within not become the shadow of other objects have been recognized the vehicle is photographed As a result of the acquisition from the external camera
The recording function control unit as a result of the communication unit has acquired, wherein if the vehicle image acquired from an external camera is results that have been taken, the parking recording function as the first state, the external camera If the result is that the vehicle is not photographed in the image acquired from, the parking recording function is set to a second state different from the first state.
Record control device for vehicles.

Images