JP7252835B2 - Program and information processing device - Google Patents

Description

The present invention relates to a program and an information processing device.

2. Description of the Related Art Conventionally, in repair work for repairing deteriorated portions of structures such as condominiums and houses, after completion of the work, a contractor inspects whether or not there are unrepaired portions.

In relation to this, for example, Patent Literature 1 discloses a technique of inspecting a deteriorated portion by acquiring photographic data of a structure using an unmanned aerial vehicle (drone).

Japanese Patent No. 6039050

However, in the technique described in Patent Document 1, in order to inspect whether there is an unrepaired portion, it is necessary to acquire photographic data of the structure after repair work and analyze the photographic data in detail. , was time-consuming.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a program and an information processing apparatus for efficiently inspecting whether or not there is an unrepaired portion in a structure after repair work. .

In order to solve the above problems, a program according to the present invention provides a computer with reading means for reading first drawing data showing a structure before repair and second drawing data showing a structure after repair, inspection means for inspecting whether or not there is an unrepaired portion in the structure indicated by the second drawing data by comparing the first drawing data and the second drawing data read by the reading means; function as output means for outputting the inspection results of
In addition, the above-mentioned "repair" shall also include the meaning of "repair".

According to this configuration, it is possible to efficiently inspect whether or not there is an unrepaired portion in the structure indicated by the second drawing data, compared to the case of inspecting using only the second drawing data.

Further, in the program according to the present invention, the reading means reads a plurality of first photographic data showing the structure before the repair and a plurality of second photographic data showing the structure after the repair, causing the computer to generate first elevation data as the first drawing data based on the plurality of first photograph data read by the reading means, and to generate the plurality of second photographs read by the reading means; It is preferable to further function as generating means for generating second elevation data as the second drawing data based on the data. According to this configuration, a construction worker or the like can easily grasp a deteriorated portion or an unrepaired portion.

Further, in the program according to the present invention, the first drawing indicated by the first drawing data is marked with a deteriorated portion of the structure before repair, and the inspection means is attached with the marking. It is preferable to determine whether or not there is a difference between the first drawing data and the second drawing data, and to inspect the negatively determined portions as the unrepaired portions. According to this configuration, the inspection can be performed more efficiently than simply comparing the first drawing data and the second drawing data.

Further, in the program according to the present invention, the computer is an extracting means for extracting the deterioration point of the structure before repair from the first drawing data, and the deterioration point is marked on the first drawing indicated by the first drawing data. and the inspection means determines whether or not there is a difference between the first drawing data and the second drawing data for the marked portion, and makes a negative decision. Preferably, the spot is inspected as said unrepaired spot. According to this configuration, the inspection can be performed more efficiently than simply comparing the first drawing data and the second drawing data.

Further, in the program according to the present invention, the marking differs depending on the type of deterioration of the deteriorated portion, and the computer displays the unrepaired portion and the unrepaired portion based on the marking corresponding to the unrepaired portion. It is preferable that the device further functions as inspection table generation means for generating an inspection table listing types of deterioration of locations, and the output means outputs the inspection table. According to this configuration, it is possible to efficiently output the type of deterioration of an unrepaired portion.

Further, in the program according to the present invention, the inspection table generation means generates a pre-repair inspection table listing the deteriorated portions and the types of deterioration of the deteriorated portions, and the output means generates the pre-repair inspection table. Output is preferred. According to this configuration, it is possible to efficiently output the deteriorated portion before repair and the type of its raging fire. In addition, since the pre-repair inspection table and the inspection table, which is the inspection result after the repair, can be compared, the effect and quality of the repair work of the structure can be easily grasped.

Further, in the program according to the present invention, the computer further functions as a second marking means for marking the unrepaired portion on the second drawing indicated by the second drawing data, and the output means causes the second It is preferable to output the second drawing marked by the marking means. According to this configuration, an inspector, a construction worker, or the like can easily grasp an unrepaired portion by looking at the marking on the second drawing.

Further, in the program according to the present invention, the inspection means determines the degree of deterioration of the unrepaired portion based on the second drawing data, and the output means outputs the unrepaired portion and the unrepaired portion. It is preferable to output the degree of deterioration of the location. According to this configuration, an inspector, a construction worker, or the like can easily grasp the degree of deterioration of an unrepaired portion.

In order to solve the above problems, an information processing apparatus according to the present invention includes reading means for reading first drawing data indicating a structure before repair and second drawing data indicating a structure after repair; inspection means for inspecting whether or not there is an unrepaired portion in the structure indicated by the second drawing data by comparing the first drawing data and the second drawing data read by the reading means; and output means for outputting inspection results of the means.

ADVANTAGE OF THE INVENTION According to this invention, it can be efficiently inspect|inspected whether there exists an unrepaired location in the structure after repair work.

It is a figure showing the whole inspection system composition containing the information processor concerning this embodiment. 2 is a diagram schematically showing an example of the hardware configuration of the information processing apparatus shown in FIG. 1; FIG. 2 is a block diagram schematically showing an example of functional means of the information processing apparatus shown in FIG. 1; FIG. It is a flowchart which shows the flow of repair work. FIG. 5 is a flow chart showing details of the processing of step SP26 shown in FIG. 4, that is, an example of the flow of processing relating to an inspection process for an unrepaired portion; FIG. It is a figure which shows an example of the pre-repair inspection table which an inspection table production|generation means produces|generates. It is a figure which shows an example of the inspection table which an inspection table production|generation means produces|generates.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention (hereinafter referred to as "present embodiments") will be described in detail with reference to the drawings.

<Overall composition>
FIG. 1 is a diagram showing the overall configuration of an inspection system 1 including an information processing device 10 according to this embodiment.

As shown in FIG. 1, an inspection system 1 is a system for inspecting whether or not a structure S has been repaired. Examples of structures S include buildings such as condominiums, buildings, and houses, as well as roads, dams, embankments, embankments, embankments, and the like. In addition, in this embodiment, the above-mentioned "repair" shall also include the meaning of "repair."

The inspection system 1 includes an information processing device 10 and a drone (unmanned aerial vehicle) 12 .

The information processing device 10 inspects whether or not the structure S has been repaired based on the photograph taken by the drone 12 or the like, and outputs the inspection result. Examples of information processing devices include personal computers, server devices, smart phones, tablets, and the like.

The drone 12 includes, for example, a visible light camera 12A, photographs the structure S while flying in the air, and stores the photographed photograph as photograph data. In this embodiment, the drone 12 photographs the roof of the structure S and each direction of the elevation, and stores the data of these plural photographs. These stored photo data can be input to the information processing apparatus 10 via a portable storage medium, a communication device, or the like. Note that the drone 12 may also include an infrared camera. The visible light camera 12A can detect cracks in the structure S based on the photographed photograph, but the infrared camera can detect the lifting of the tiles of the structure S based on the photographed photograph.

<Hardware configuration>
FIG. 2 is a diagram schematically showing an example of the hardware configuration of the information processing device 10. As shown in FIG.

As shown in FIG. 2, the information processing device 10 includes a control device 20, a communication device 26, and a storage device 28. FIG. The control device 20 is a computer that mainly includes a CPU (Central Processing Unit) 22 and a memory 24 .

In the control device 20, the CPU 22 functions as various functional means by executing the inspection program 28A stored in the storage device 28 or the like. The details of this functional means will be described later.

The communication device 26 is composed of a communication interface or the like for communicating with an external device.

The storage device 28 is composed of a hard disk or the like. The storage device 28 stores various programs and information required for execution of processing in the control device 20, including an inspection program 28A according to the present embodiment, and information on processing results.

The information processing device 10 may be composed of a single information processing device, or may be composed of a plurality of information processing devices distributed over a communication network. Moreover, FIG. 2 only shows a part of the main hardware configuration of the information processing apparatus 10, and the information processing apparatus 10 can include other configurations that computers generally have.

<Functional means>
FIG. 3 is a block diagram schematically showing an example of functional means of the information processing device 10. As shown in FIG.

As shown in FIG. 3, the information processing apparatus 10 mainly includes storage means 40, reading means 42, generation means 44, extraction means 45, inspection means 46, determination means 48, marking means 50, It comprises inspection table generation means 51 and functional means such as output means 52 . The storage means 40 is implemented by one or more storage devices 28 . Functional means other than the storage means 40 are realized by the control device 20 executing the inspection program 28A stored in the storage device 28 or the like.

The storage means 40 stores various data such as a plurality of first photographic data 40A showing the structure S before repair and a plurality of second photographic data 40B showing the structure S after repair photographed by the drone 12. It has the function of memorizing.

The reading means 42 has a function of reading various data such as the first photo data 40A and the second photo data 40B from the storage means 40 .

The generating means 44 generates first elevation data (elevation photographic data) based on the plurality of first photograph data 40A read by the reading means 42, and a plurality of second elevation data read by the reading means 42. Based on the photograph data 40B, the second elevation data (photograph elevation data) is generated and stored in the storage means 40. FIG. The reading means 42 reads the first elevation data as the first drawing data and the second elevation data as the second drawing data.

The extracting means 45 extracts a deteriorated portion of the structure S before repair from the first drawing data. The extraction unit 45 extracts deterioration such as "cracks" and "floating tiles" by, for example, comparing the degree of difference in lightness, saturation, and hue with predetermined threshold values. Various known techniques can be used for this processing.

The inspection means 46 has a function of inspecting whether or not there is an unrepaired portion in the structure S indicated by the second drawing data based on the first drawing data and the second drawing data read by the reading means 42 . In the present embodiment, in the first drawing data, the deteriorated portions of the structure S before repair are marked according to the type of deterioration, and the inspection means 46 detects the marked portions in the first drawing data. It is determined whether or not there is a difference between the second drawing data and the second drawing data. Various known techniques can be used to determine whether there is a difference between the first drawing data and the second drawing data.

Markings include plots, lines, characters, and the like. In addition, marking by type of deterioration means, for example, if the type of deterioration is "crack", the deteriorated part is surrounded by a red line, and if the type of deterioration is "floating tile", the deteriorated part is marked with a blue line. can be enclosed in Marking by type of deterioration means, for example, if the type of deterioration is "crack", the area is surrounded by a solid line, and if the type of deterioration is "floating tile", the area is surrounded by a dotted line. I can give you something.

Note that the inspection means 46 may make a negative determination that there is no difference not only when there is simply a difference, but when the magnitude of the difference is equal to or less than a threshold value. Note that this threshold value may be changed according to the type of deterioration location.

The determining means 48 has a function of determining the degree of deterioration of the unrepaired portion inspected by the inspecting means 46 based on the second drawing data.

The marking means 50 has a function of marking the unrepaired portion inspected by the inspection means 46 according to the type of deterioration in the second drawing indicated by the second drawing data. The marking means 50 has a function of marking the deteriorated portions of the structure S before repair extracted by the extracting means 45 according to the type of deterioration in the first drawing indicated by the first drawing data.

The inspection table generation means 51 generates an inspection table listing the locations, types of deterioration, and degrees of deterioration for deteriorated locations and unrepaired locations.

The output means 52 has a function of outputting the inspection result of the inspection means 46 and the marked second drawing data.

<Process flow>
FIG. 4 is a flow chart showing the flow of repair work. Note that the contents and order of the following steps can be changed as appropriate.

(Step SP10)
Before the repair work of the structure S, the photographer uses the drone 12 to photograph the vertical plane of each direction of the structure S. These photographs are stored in drone 12 as first photograph data 40A. Then, the process moves to the process of step SP12.

(Step SP12)
The photographer operates the information processing device 10 owned by the photographer to copy the plurality of first photograph data 40A stored in the drone 12 to the storage means 40 of the information processing device 10 . Then, the photographer operates the information processing device 10 to start the inspection program 28A and call the generating means 44 . In response to this, the generation means 44 generates elevation view data (first drawing data) based on the plurality of first photograph data 40A copied to the storage means 40 . Then, the process moves to the process of step SP14.

(Step SP14)
At step SP14, marking is performed on the first drawing data. There are two methods of marking. The first method is a method in which the photographer performs marking. The photographer operates the information processing device 10 to open the elevation (first drawing) indicated by the first drawing data, and plots a portion of the elevation that is determined to be deteriorated in the structure S.

A second method is a method in which the marking means 50 performs marking. First, the extracting means 45 extracts the deteriorated portion of the structure S before repair from the first drawing data, and the marking means 50 marks the deteriorated portion of the structure S before repair extracted by the extracting means 45 on the first drawing. do. Alternatively, when the photographer designates the condition of the deteriorated portion (for example, a crack corresponding to a crack) in the structure S in the elevation view, the marking means 50 marks the portion that matches the designated condition in the first drawing. .

By these methods, marking is performed on the first drawing data. It is assumed that this marking is different in color and line type depending on the type of deterioration. A number is associated with each marking. Then, the process moves to the process of step SP16.

(Step SP16)
The photographer operates the information processing device 10 to call the inspection table generation means 51 . In response to this, the inspection table generation means 51 lists the deteriorated parts before repair, the type of deterioration of the parts, and the degree of deterioration of the parts based on the first drawing data marked in step SP14. Generate an inspection table (pre-repair inspection table).

FIG. 6 is a diagram showing an example of a pre-repair inspection table generated by the inspection table generating means 51. As shown in FIG. As shown in FIG. 6, the pre-repair inspection table describes deteriorated locations, types of deterioration, and quantities. The "deterioration location" is described based on the position plotted in step SP14, the "deterioration type" is described based on the marking type, and the "quantity" is described based on the degree of deterioration. If the drone 12 also has an infrared camera, the "float" is described as the "deterioration type", and the "area" of the float is described as the "quantity".

Returning to FIG. 4, the process moves to the process of step SP18.

(Step SP18)
The output unit 52 outputs the generated pre-repair inspection table to a paper medium via a printing device. The output unit 52 may output the generated pre-repair inspection table to a screen via a display device (not shown) or to another information processing device via the communication device 26 . Then, the process moves to the process of step SP20.

(Step SP20)
The construction worker performs repair work on the structure S based on the markings indicated by the first drawing data. Then, the process moves to the process of step SP22.

(Step SP22)
After the repair work of the structure S, the photographer uses the drone 12 to photograph the vertical plane of each direction of the structure S. These photographs are stored in drone 12 as second photograph data 40B. Then, the process moves to the process of step SP24.

(Step SP24)
The photographer operates the information processing device 10 to copy the plurality of second photograph data 40B stored in the drone 12 to the storage means 40 of the information processing device 10 . Then, the photographer operates the information processing device 10 to start the inspection program 28A and call the generating means 44 . In response to this, the generation means 44 generates elevation view data (second drawing data) based on the plurality of second photograph data 40B copied to the storage means 40 . Then, the process moves to the process of step SP26.

(Step SP26)
The photographer operates the information processing device 10 to inspect whether or not there is an unrepaired portion in the structure S. FIG. The details of this inspection process will be described later. Then, the series of processes shown in FIG. 4 ends.

FIG. 5 is a flow chart showing details of the processing of step SP26 shown in FIG. 4, that is, an example of the flow of processing relating to the process of inspecting an unrepaired portion. Note that the contents and order of the following steps can be changed as appropriate.

(Step SP30)
The reading means 42 reads the elevation data before and after repair, that is, the first drawing data showing the structure S before repair and the second drawing data showing the structure S after repair. Then, the process moves to the process of step SP32.

(Step SP32)
The reading means 42 reads the first drawing data and obtains the number of plots as the number N of deteriorated locations. Then, the process moves to the process of step SP34.

(Step SP34)
The inspection means 46 repeats the processing of steps SP36 to SP42 while incrementing the variable i from i=1 to i=N.

(Step SP36)
The inspection means 46 compares the first drawing data and the second drawing data with respect to the location corresponding to the variable i (marked location). Then, the process moves to the process of step SP38.

(Step SP38)
The inspection means 46 determines (inspects) whether or not the location corresponding to the variable i is an unrepaired location. Specifically, the inspection means 46 determines whether or not there is a difference between the first drawing data and the second drawing data for the location corresponding to the variable i, that is, the marked location, and determines the location where the negative determination is made. Affirmative determination is made when there is an unrepaired portion. Then, when the determination is affirmative, the process proceeds to step SP40, and when the determination is negative, the process proceeds to step SP42.

(Step SP40)
The inspection means 46 stores the location corresponding to the variable i in the storage means 40 as an unrepaired location. Also, the determining means 48 determines the degree of deterioration of the unrepaired portion corresponding to the variable i based on the second drawing data. The degree of deterioration can be determined using various known image processing techniques. Then, the process moves to the process of step SP42.

(Step SP42)
The process returns to step SP36 until the variable i becomes N, and when the variable i becomes N, the process proceeds to step SP44.

(Step SP44)
The inspection table generation means 51 generates an inspection table listing the inspection results, in other words, one or more unrepaired locations stored in the storage means 40, the types of deterioration of the locations, and the degree of deterioration of the locations. do.

FIG. 7 is a diagram showing an example of an inspection table generated by the inspection table generating means 51. As shown in FIG. As shown in FIG. 7, the inspection table describes the unrepaired parts of the deteriorated parts, the type of deterioration, and the quantity. The "deteriorated location" is described based on the position stored in the storage unit 40 as an unrepaired location by the inspection means 46 in step SP40, the "deterioration type" is described based on the marking type, and the "quantity" is described based on the type of marking. is described based on the degree of deterioration of the unrepaired portion determined by the determining means 48 in step SP40. If the drone 12 also has an infrared camera, the "float" is described as the "degradation type", and the "area" of the float is described as the "quantity". The inspection table shown in FIG. 7 is an inspection table for unrepaired portions, and a part of the deteriorated portions included in the pre-repair inspection table shown in FIG. 6 is displayed.

Returning to FIG. 5, the process moves to the process of step SP46.

(Step SP46)
The output unit 52 outputs the generated inspection table to a paper medium via a printer. Note that the output unit 52 may output the generated inspection chart to a screen via a display device (not shown) or to another information processing device via the communication device 26 . Then, the process moves to the process of step SP48.

(Step SP48)
The marking means 50 marks the unrepaired portion indicated by the inspection table on the elevation (second drawing) indicated by the second drawing data. The marking performed here is different depending on the type of deterioration, similar to the marking in step SP14. Then, the process proceeds to the process of step SP50.

(Step SP50)
The output means 52 outputs the second drawing data marked by the marking means 50 . Then, the series of processes shown in FIG. 5 ends.

<effect>
As described above, according to the present embodiment, by comparing the first drawing data and the second drawing data, it is inspected whether or not there is an unrepaired portion in the structure indicated by the second drawing data. The structure indicated by the data can be inspected more efficiently than the inspection using only the second drawing data.

Further, according to the present embodiment, the elevation data as the first drawing data is generated based on the plurality of first photographic data 40A, and the elevation data as the second drawing data is generated based on the plurality of second photographic data 40B. Since the plan view data is generated, the construction worker or the like can easily grasp the deteriorated portions and the unrepaired portions.

Further, according to the present embodiment, in the first drawing indicated by the first drawing data, the deteriorated portion of the structure before repair is marked, and the inspecting means performs the marking on the marked portion. Simple comparison of the first drawing data and the second drawing data by judging whether there is a difference between the first drawing data and the second drawing data, and inspecting the negatively judged parts as the unrepaired parts. can be inspected more efficiently.

Further, according to the present embodiment, the type of deterioration of the unrepaired portion is output based on the marking of the first drawing data corresponding to the unrepaired portion. can be output.

In addition, according to the present embodiment, since the unrepaired portion is marked on the second drawing indicated by the second drawing data, the inspector, the construction worker, or the like can see the marking on the second drawing, so that the unrepaired portion can be readily grasped.

Further, according to the present embodiment, since the degree of deterioration of an unrepaired portion is determined, an inspector, a construction worker, or the like can easily grasp the degree of deterioration of an unrepaired portion.

Further, according to the present embodiment, since the pre-repair inspection table is generated and output, it is possible to easily grasp the deterioration location, type, and degree of deterioration of the structure S before repair. In addition, since the pre-repair inspection table and the inspection table, which is the inspection result after the repair, can be compared, the effect and quality of the repair work of the structure S can be easily grasped.

<Modification>
Although the embodiments of the present invention have been described in detail with reference to the drawings, the specific configuration is not limited to these embodiments, and design changes and the like are also included within the scope of the gist of the present invention. .

For example, in the above-described embodiment, the first photographic data 40A and the second photographic data 40B are obtained by photographing the structure S by the drone 12. Alternatively, the image may be taken by another device equipped with a camera.

Further, in the above-described embodiment, the deterioration location in the first drawing data is marked by deterioration type, and based on the marking of the first drawing data corresponding to the unrepaired location, the deterioration type of the unrepaired location is output as the inspection result, all the deteriorated portions are marked with a black line (as an example), and information indicating the type of deterioration may be associated with each marking. In this case, the inspection table may be created based on information indicating the type of deterioration.

In the above embodiment, the inspection means 46 compares the first elevation data and the second elevation data. good. In this case, the generating means 44 can omit generating the first elevation data and the second elevation data.

Further, in the above embodiment, by comparing the first drawing data and the second drawing data, it is inspected whether or not there is an unrepaired portion in the structure indicated by the second drawing data. It is not limited to this. For example, a plurality of third photographic data taken by the drone 12 showing the structure S after a predetermined number of years (1 year, 3 years, 5 years, etc.) have passed since the second photographic data 40B were taken are stored in the storage means. 40, the reading means 42 reads the second photographic data 40B and the third photographic data from the storing means 40, and the generating means 44 generates third elevation data (elevation data) based on the plurality of third photographic data. The inspection means 46 judges whether or not there is a difference between the second drawing data and the third drawing data, and makes affirmative judgment that the negatively judged part is a defective part, and the generating means 44 Alternatively, an inspection table may be generated as an inspection result in which the defect locations, the types of deterioration of the locations, and the degree of deterioration of the locations are listed. Furthermore, the marking means 50 may mark the defective portion indicated by the inspection table on the elevation view (third drawing) indicated by the third drawing data.

In the above embodiment, the first elevation data is generated as the first drawing data, and the second elevation data is generated as the second drawing data. It is not limited to diagram data. For example, the first drawing data and the second drawing data may be three-dimensional drawings.

10... Information processing device (computer)
28A... Inspection program 42... Reading means 46... Inspection means 52... Output means

Claims (9)

the computer,
reading means for reading the first drawing data showing the structure before repair and the second drawing data showing the structure after repair;
inspection means for inspecting whether or not there is an unrepaired portion in the structure indicated by the second drawing data by comparing the first drawing data and the second drawing data read by the reading means;
output means for outputting inspection results of the inspection means;
A program to function as The reading means reads a plurality of first photographic data showing the structure before the repair and a plurality of second photographic data showing the structure after the repair,
said computer,
generating first elevation view data as the first drawing data based on the plurality of first photographic data read by the reading means, and based on the plurality of second photographic data read by the reading means; , generating means for generating second elevation data as the second drawing data;
2. The program of claim 1, further functioning as a In the first drawing indicated by the first drawing data, the deteriorated parts of the structure before the repair are marked,
The inspection means determines whether or not there is a difference between the first drawing data and the second drawing data for the marked portion, and inspects the negatively determined portion as the unrepaired portion. 3. The program according to claim 1 or 2, characterized by: said computer,
Extraction means for extracting a deteriorated portion of the structure before repair from the first drawing data;
a first marking means for marking the deteriorated portion on the first drawing indicated by the first drawing data;
further function as
The inspection means determines whether or not there is a difference between the first drawing data and the second drawing data for the marked portion, and inspects the negatively determined portion as the unrepaired portion. 3. The program according to claim 1 or 2, characterized by: The marking varies depending on the type of deterioration of the deterioration location,
the computer,
inspection table generating means for generating an inspection table listing the unrepaired locations and types of deterioration of the unrepaired locations based on the markings corresponding to the unrepaired locations;
further function as
5. The program according to claim 3, wherein said output means outputs said inspection table. The inspection table generation means generates a pre-repair inspection table listing the deteriorated portions and the types of deterioration of the deteriorated portions,
6. The program according to claim 5, wherein said output means outputs said pre-repair inspection table. said computer,
Second marking means for marking the unrepaired portion on the second drawing indicated by the second drawing data;
further function as
7. The program according to any one of claims 1 to 6, wherein the output means outputs the second drawing marked by the second marking means. The inspection means determines the degree of deterioration of the unrepaired portion based on the second drawing data,
The program according to any one of claims 1 to 7, wherein the output means outputs the unrepaired portion and the degree of deterioration of the unrepaired portion. reading means for reading the first drawing data indicating the structure before repair and the second drawing data indicating the structure after repair;
inspection means for inspecting whether or not there is an unrepaired portion in the structure indicated by the second drawing data by comparing the first drawing data and the second drawing data read by the reading means;
an output means for outputting inspection results of the inspection means;
An information processing device comprising:

Images