WO2022065219A1 - 被害判定情報システム、サーバ装置、端末装置およびプログラム - Google Patents

被害判定情報システム、サーバ装置、端末装置およびプログラム Download PDF

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WO2022065219A1
WO2022065219A1 PCT/JP2021/034254 JP2021034254W WO2022065219A1 WO 2022065219 A1 WO2022065219 A1 WO 2022065219A1 JP 2021034254 W JP2021034254 W JP 2021034254W WO 2022065219 A1 WO2022065219 A1 WO 2022065219A1
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Prior art keywords
damage
damaged
determination result
provisional
image
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English (en)
French (fr)
Japanese (ja)
Inventor
航記 長谷
郷太 渡部
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Fujifilm Corp
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Fujifilm Corp
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Priority to JP2022551947A priority Critical patent/JP7629021B2/ja
Publication of WO2022065219A1 publication Critical patent/WO2022065219A1/ja
Priority to US18/186,757 priority patent/US12608932B2/en
Anticipated expiration legal-status Critical
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/10—Terrestrial scenes
    • G06V20/176—Urban or other man-made structures
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
    • G06Q40/08—Insurance
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G06Q50/26—Government or public services
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G06Q50/26—Government or public services
    • G06Q50/265—Personal security, identity or safety
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/764—Arrangements for image or video recognition or understanding using pattern recognition or machine learning using classification, e.g. of video objects
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/77—Processing image or video features in feature spaces; using data integration or data reduction, e.g. principal component analysis [PCA] or independent component analysis [ICA] or self-organising maps [SOM]; Blind source separation
    • G06V10/774—Generating sets of training patterns; Bootstrap methods, e.g. bagging or boosting
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/94—Hardware or software architectures specially adapted for image or video understanding
    • G06V10/95—Hardware or software architectures specially adapted for image or video understanding structured as a network, e.g. client-server architectures

Definitions

  • the present invention relates to a damage determination information system, a server device, a terminal device, and a program, and particularly relates to an information processing technology that supports determination of the degree of damage to a damaged building.
  • Patent Document 1 Even a person who does not have the knowledge to determine the degree of damage to the damaged object can collect the information necessary to determine the degree of damage to the damaged object in the disaster area, and the information is not damaged. A damage investigation system that can be sent to the location is described.
  • the housing damage certification survey for the purpose of issuing a disaster certificate is based on the structure and parts of the building in accordance with the "Disaster Damage Certification Standards" and “Disaster Damage Certification Standards Operation Guidelines" provided by the Cabinet Office. Damage to the building is determined by integrating the subdivided survey items. Therefore, it is not practical for the general staff conducting the survey to grasp all of these items and criteria. In addition, there is ambiguity in the criteria for determining the degree of damage as a problem of damage determination.
  • the investigators are uncertain about the classification of the damage level, and it is necessary to confirm with the coordinator and obtain the agreement of the investigation team in order to determine the judgment, which leads to a longer investigation time per case. There is.
  • the ambiguity of the judgment criteria for the degree of damage also affects the residents' sense of satisfaction with the judgment results.
  • the judgment result of the degree of damage there may be a difference in the reconstruction support enjoyed by the residents, and if the residents cannot provide materials that are convincing to the judgment result, a re-investigation will occur, leading to an increase in the investigation cost of the local government.
  • the investigator confirmed the indoor situation in the presence of the disaster victims based on the primary survey to determine the degree of damage only from the appearance of the building and the request for re-survey from the victims. There is a secondary survey to determine the degree of damage. If the residents are not satisfied with the results of the primary survey conducted by the local government, a secondary survey will be conducted.
  • the secondary survey takes about twice as long as the primary survey, and if the number of surveys is large, it will lead to a delay in issuing the disaster certificate, which is a heavy burden for both the local government and the residents.
  • the cases where the judgment result of the primary survey is overturned by the secondary survey are about 30% (less than 40%), although it depends on the type of disaster and the area.
  • the number of secondary surveys conducted was 57,251, which is about 30% of the total number of residential damage certification surveys, and it was judged by conducting the secondary surveys.
  • the number of cases covered by is less than 40%. It is desirable for the local government to reduce the implementation of the secondary survey for the houses whose judgment is not overturned even if the secondary survey is conducted.
  • Patent Document 1 does not describe a measure for omitting the search itself and obtaining a convincing damage determination result.
  • the present invention has been made in view of such circumstances, and at least one of the improvement of the convincing feeling for the damage judgment result, the reduction of the investigation cost by the local government, and the reduction of the fluctuation of the damage judgment result by a plurality of investigators. It is an object of the present invention to provide a feasible damage judgment information system, a server device, a terminal device and a program.
  • the damage determination information system includes a server device that manages the damage determination result of the damaged building and the damaged image of the damaged building corresponding to the damage determination result, and the server device via a network.
  • a damage determination information system including a connected terminal device, wherein the server device includes a first processor and a damaged image database in which damage determination results and damaged images are stored in association with each other.
  • a second processor, a display device, and an input device are provided, and the first processor acquires a provisional damage determination result, and based on the acquired provisional damage determination result, a provisional damage image database is used.
  • a plurality of damaged images related to the damage determination result are extracted, the extracted multiple damaged images are provided to the terminal device, and the second processor displays the extracted multiple damaged images on the display device and the input device.
  • the first processor accepts the input of the instruction to confirm the damage judgment result from, and registers the confirmed damage judgment result in the damage investigation result database based on the instruction from the terminal device displaying multiple damaged images on the display device. do.
  • a plurality of damaged images of the degree of damage related to the acquired provisional damage determination result are displayed on the display device of the terminal device, so that the user can refer to these displayed images.
  • the terminal device may be carried by, for example, an investigator who conducts a damage investigation, or may be installed at a window of a local government and used when explaining the investigation result to the disaster-affected residents. According to this aspect, at least one of improvement of convincing feeling for the damage judgment result, reduction of investigation cost by the local government, and reduction of blurring of the damage judgment result by a plurality of investigators can be realized.
  • the provisional damage determination result can be input from the input device of the terminal device.
  • At least one of the first processor and the second processor obtains a provisional damage determination result by image recognition from an image showing a building subject to damage determination. It can be configured to be acquired.
  • At least one of the first processor and the second processor is an image showing the target building for damage determination and a building related to the structure and part of the target building. It is possible to perform a damage judgment result estimation process that outputs the damage classification of the part by inputting information, and the estimation result by the damage judgment result estimation process can be used as a provisional damage judgment result.
  • At least one of the first processor and the second processor has an image showing the target building and building information regarding the structure and part of the target building.
  • it can be configured to include a trained model that has been machine-learned to output an estimated damage classification for the part of the target building.
  • the damage classification in the damage judgment standard is set in multiple stages according to the degree of damage, and the plurality of damage images related to the provisional damage judgment result are displayed. , It is possible to include a damaged image belonging to a damage category with a damage level equal to or higher than the input provisional damage judgment result.
  • the plurality of damage images related to the provisional damage determination result are the damage image belonging to the damage category having the same damage level as the input provisional damage determination result and the provisional damage image. It is possible to include a damage image that belongs to the damage category whose damage level is one level higher than the damage judgment result.
  • the server device includes a damaged image database in which the damage determination result of the damaged building and the damaged image of the damaged building corresponding to the damage determination result are stored in association with each other, and a first processor.
  • the first processor acquires provisional damage determination results, and based on the acquired provisional damage determination results, a plurality of server devices related to the provisional damage determination results from the disaster image database.
  • the damaged image is extracted, the extracted multiple damaged images are provided to the terminal device connected via the network, and the confirmed damage judgment result is obtained based on the instruction from the terminal device displaying the multiple damaged images. Register in the damage investigation result database.
  • the terminal device is a terminal device connected to the server device according to the above aspect via a network, and includes a second processor, a display device, and an input device.
  • the second processor displays the extracted plurality of damaged images on the display device, and receives input of an instruction for determining the damage determination result from the input device.
  • the program according to another aspect of the present disclosure is a function of managing a damaged image database in which a computer stores a damage judgment result of a damaged building and a damaged image of the damaged building corresponding to the damage judgment result in association with each other. And the function to acquire the provisional damage judgment result, the function to extract multiple damaged images related to the provisional damage judgment result from the damaged image database based on the acquired provisional damage judgment result, and the extracted multiple. The function to provide the damaged image to the terminal device connected via the network, and after the damaged image is displayed on the display device of the terminal device, the damage judgment result confirmed based on the instruction from the terminal device is investigated. The function to register in the result database is realized.
  • the program related to this aspect is applied to the server side.
  • the program according to another aspect of the present disclosure is a terminal device connected via a network to a server device that manages a damage determination result of a damaged building and a damaged image of a damaged building corresponding to the damage determination result. It is a program for operating the computer, and it has a function to acquire the provisional damage judgment result to the computer, a function to send the acquired provisional damage judgment result to the server device, and a function to send the acquired provisional damage judgment result to the server device. It realizes a function of acquiring a plurality of related damaged images and displaying the plurality of damaged images on a display device, and a function of accepting an instruction to confirm a damage determination result after displaying the damaged images.
  • the present invention it is possible to improve the sense of conviction for the damage judgment result, reduce the investigation cost by the local government, and reduce the blurring of the damage judgment result by a plurality of investigators.
  • FIG. 1 is a functional block diagram schematically showing the functions of the damage determination information system according to the embodiment of the present invention.
  • FIG. 2 is a block diagram showing an example of a network configuration of a damage determination information system.
  • FIG. 3 is a flowchart showing an example of the operation of the damage determination information system.
  • FIG. 4 is a block diagram showing a configuration example of the server device.
  • FIG. 5 is a block diagram showing a configuration example of the terminal device.
  • FIG. 6 is an example of a screen displayed on the display device of the terminal device.
  • FIG. 7 is another example of the screen displayed on the display device of the terminal device.
  • FIG. 8 is still another example of the screen displayed on the display device of the terminal device.
  • FIG. 1 is a functional block diagram schematically showing the functions of the damage determination information system 1 according to the embodiment of the present invention.
  • the damage determination information system 1 includes a server device 10 that performs server-side processing and a terminal device 20 that performs client-side processing.
  • the terminal device 20 is connected to the server device 10 via a network (not shown).
  • the server device 10 manages the damage determination result for the damaged building and the damage image corresponding to the damage determination result.
  • the damage determination result here is, for example, a determination result of the degree of damage by a dwelling house damage certification survey, and the damaged building is a house (dwelling house) subject to the damage determination.
  • total destruction means "houses Those that have lost the basic functions for their residence, that is, those in which the entire dwelling has collapsed, been washed away, buried, burned down, or the dwelling has been severely damaged and are difficult to re-use by repair. Specifically, the floor area of the damaged, burnt or washed-out part of the house reaches 70% or more of the total floor area of the house, or the economic damage of the main components of the house is caused to the entire house. It is expressed as the percentage of damage to occupy, and the percentage of damage to the house is assumed to reach 50% or more.
  • “Large-scale half-destroyed” means that "a house in which you live is half-destroyed and it is difficult to live in the house without large-scale repairs including repairs of major parts in terms of structural strength. Specifically, it is damaged.
  • the part is 50% or more and less than 70% of the total floor area of the house, or the economic damage of the main components of the house is expressed by the damage ratio to the whole house, and the damage ratio of the house is 40% or more and 50%. It shall be less than.
  • “Half-destroyed” means that the dwelling has lost some of the basic functions for its dwelling, that is, the dwelling is severely damaged but can be reused again if it is repaired. Indicates that the damaged part is 20% or more and less than 70% of the total floor area of the house, or the economic damage of the main components of the house is expressed as the damage ratio to the whole house, and the damage ratio of the house is 20%. It shall be more than 50%.
  • “Semi-half-destroyed” means that "a house has been damaged to the extent that it is half-destroyed or half-burnt, and specifically, the damaged part is 10% or more and less than 20% of the total floor area of the house, or the house.
  • the economic damage of the main components is expressed by the damage ratio of the whole house, and the damage ratio of the house is 10% or more and less than 20%.
  • the degree of damage to the damaged house can be determined by appearance, inclination, or part. Judging by the appearance, "Judging from the appearance of the house, if the whole house is collapsed at first glance, if some floors of the house are collapsed at first glance, the whole house is leaked at first glance. Or, if it has slipped down, or if there is significant damage to the foundation due to ground damage caused by the earthquake, the damage ratio of the house is set to 50% or more, and it is judged to be completely destroyed. "
  • the damage ratio of the house is set to 50% or more, and it is judged to be completely destroyed.
  • the damage ratio due to the inclination can be set to 15% when calculating the damage ratio of the dwelling house by" determination of the part ". It is said.
  • the value of the inclination as a general rule, the pillars at the four corners of the first floor of the house or the four corners of the wall are measured and a simple average is used.
  • the damage rate is calculated for each part from the visual inspection results related to the damage of the main components of the house, and the sum of the damage ratios for each part obtained by multiplying the damage rate by the composition ratio for each part. Is defined as the damage ratio of the dwelling house. "If the damage ratio of the dwelling house is 50% or more, it is completely destroyed, if it is 40% or more and less than 50%, it is partially destroyed, and if it is 20% or more and less than 40%. Is half-destroyed, 10% or more and less than 20% is quasi-half-destroyed, and less than 10% is quasi-half-destroyed (partially damaged). "
  • the degree of damage to the target damaged building is evaluated and the damage judgment result is given.
  • the five damage categories of “total destruction”, “large-scale partial destruction”, “half destruction”, “quasi-half destruction” or “not reaching semi-half destruction (partially damaged)” are the damage categories in the "damage determination criteria" in this disclosure.
  • the five steps are an example of the "plurality" in the present disclosure.
  • the terminal device 20 has a user interface (User Interface: UI) capable of inputting a damage determination result and displaying an image such as a damaged image.
  • UI User Interface
  • the server device 10 may be a Web server (World Wide Web server), and the terminal device 20 may be configured to include a Web browser.
  • the terminal device 20 may be, for example, a mobile terminal device taken out to a disaster site by an investigator or the like, or a computer installed at a window of a local government that accepts an application for a disaster certificate. Further, the terminal device 20 may be a smartphone, a tablet, a personal computer or the like owned by a resident or the like. A user of this system, including an operator of the terminal device 20, is referred to as a "user".
  • the damage determination information system 1 includes a provisional damage determination result input unit 12, an image search unit 14, a damaged image database 15, an image display unit 24, a damage determination result input unit 26, and a damage determination result registration unit 16. Includes damage investigation result database 17. Each of these parts is realized by executing a program instruction by a processor such as one or more computers.
  • the provisional damage determination result input unit 12 accepts the input of the provisional damage determination result, and performs a process of passing the input information of the provisional damage determination result to the image search unit 14.
  • the provisional damage determination result input unit 12 is constructed so as to straddle both the client side and the server side. The user can input the provisional damage determination result through the provisional damage determination result input unit 12.
  • the server side further includes an image search unit 14, a damaged image database 15, a damage determination result registration unit 16, and a damage investigation result database 17.
  • the client side includes an image display unit 24 and a damage determination result input unit 26.
  • the damage judgment information system 1 receives the input of the provisional damage judgment result through the provisional damage judgment result input unit 12, searches the damaged image related to the input provisional damage judgment result from the damage image database 15, and searches the result of the search.
  • the extracted damaged image is displayed on the terminal device 20.
  • the user can judge the validity of the provisional damage determination result input earlier by referring to the damage image displayed on the terminal device 20. After confirming the damage image displayed on the terminal device 20, the user registers by approving the provisional damage judgment result on the terminal device 20 or performing an input operation to change the damage judgment result as necessary. You can enter instructions to determine the damage judgment result to be done. Based on the confirmation instruction input from the terminal device 20 in this way, the server device 10 registers the damage determination result in the damage investigation result database 17.
  • provisional is a decision or provisional assumption at a stage before the confirmation instruction, and may be changed.
  • confirmation means that the judgment is determined regarding the registration in the damage investigation result database 17 in which the results of the damage investigation are registered, and then the items to be registered in the damage investigation result database 17 by the detailed administrative investigation or the like. May be changed.
  • the image search unit 14 preferably generates one or more damaged images related to the provisional damage determination result from the disaster image database 15 based on the provisional damage determination result input via the provisional damage determination result input unit 12. Performs image search processing to extract images.
  • the damage image related to the provisional damage judgment result is, for example, a damage image with the same damage degree judgment result as the provisional damage judgment result, and a judgment that the damage degree classification is one step higher than the provisional damage judgment result. It includes at least one of the result damage image and the damage image of the judgment result whose degree of damage is one step lower than the provisional damage judgment result, and preferably includes two or more.
  • Damaged images that correspond to at least one category that is the same as and / or before and after the damage degree category of the provisional damage determination result may be expressed as "damaged image with similar damage determination results”.
  • a judgment result in a category indicating the same or similar degree of damage as the provisional damage judgment result may be expressed as a "judgment result similar to the provisional damage judgment result”.
  • the disaster image database 15 includes a data group stored in association with the confirmed damage determination result for the damaged building in the past disaster and the damaged image taken by the damaged building corresponding to the damage determination result.
  • the damaged image database 15 contains a plurality of images of the damaged building corresponding to each damage determination result.
  • the disaster image database 15 may include data in which the image of the disaster-affected dwelling house targeted this time is associated with the confirmed damage determination result for the disaster-affected dwelling house.
  • the damaged image database 15 includes information related to the structure of the damaged building and / or data associated with the damaged image associated with the information of the part and the value of the damage ratio for each part. May be good.
  • the image search unit 14 provides the terminal device 20 with search result information including a plurality of damaged images related to the provisional damage determination result extracted from the damaged image database 15.
  • the image display unit 24 displays a plurality of damaged images extracted by the image search unit 14 on a display device such as a liquid crystal display or an organic EL display together with the corresponding damage determination results.
  • the user can confirm on the display device of the terminal device 20 a damaged image showing the damaged building in which the judgment result of the damage degree equal to / or close to the provisional damage judgment result is confirmed.
  • the damage determination result input unit 26 is an input processing module that accepts input of instructions for determining the damage determination result. As an instruction to confirm the damage determination result, information to approve the provisional damage determination result may be input, or the damage determination result to be confirmed as the registered content may be directly input.
  • the specific input operation method may be, for example, a method of checking a check box, a method of selecting a specific damage judgment result from a candidate list, or a damage judgment from a keyboard or the like. It may be a method of inputting the text information of the result.
  • the damage judgment result registration unit 16 Based on the information from the damage judgment result input unit 26, the damage judgment result registration unit 16 links the address and other information of the damaged building with the damage judgment result of the damaged building and registers it in the damage investigation result database 17. I do. A part or all of the data registered in the damage investigation result database 17 may be incorporated in the disaster image database 15.
  • FIG. 2 is a block diagram showing an example of the network configuration of the damage determination information system 1.
  • the server device 10 is constructed on a network 30 inside or outside an administrative agency such as a local government.
  • the network 30 may be a local area network or a wide area network.
  • the server device 10 may be a cloud server or an on-premises server.
  • the damage determination information system 1 may include a mobile terminal device 20A capable of communicating with the server device 10 and a personal computer (PC) 20B. Each of the mobile terminal device 20A and the PC 20B corresponds to the terminal device 20 described with reference to FIG. Although FIG. 2 shows one mobile terminal device 20A and one PC 20B, the damage determination information system 1 may include a plurality of mobile terminal devices 20A and a plurality of PC 20Bs.
  • the mobile terminal device 20A is connected to the server device 10 via a wide area communication line 32 such as the Internet.
  • the mobile terminal device 20A may be a smartphone, a tablet terminal, or the like.
  • the PC 20B may be, for example, a computer installed on the network 30 of an administrative agency such as a local government.
  • the network 30 and the wide area communication line 32 are examples of the "network" in the present disclosure.
  • a usage example 1 of the damage determination information system 1 according to the present embodiment will be described.
  • a mode of use for a damage certification investigation by an investigator for example, a local government employee
  • the investigator uses this system when the certainty of the judgment result of the degree of damage is low at the time of the damage certification investigation.
  • the investigator inputs the structure of the target building, the part of the building under investigation, and the provisional damage determination result into the mobile terminal device 20A. If the investigator cannot make a provisional damage judgment result at his / her own discretion, the image of the damaged building is input and the damage judgment result is estimated from the image using image recognition technology.
  • the damage determination result may be used as a provisional damage determination result.
  • a provisional damage judgment is made using AI (Artificial Intelligence), which uses AI (Artificial Intelligence) to estimate the damage judgment result from the input information of the image showing the damaged target building and the information of the structure and part of the target building. You can get the result.
  • AI Artificial Intelligence
  • the term "estimation" may be paraphrased as "prediction”.
  • the AI for estimating the damage determination result may be provided in the server device 10.
  • the server-side provisional damage determination result input unit 12 may include an AI processing module that estimates the damage determination result by receiving input of an image of the damaged building and incidental information including the structure and / or part of the building. good.
  • AI that estimates the damage judgment result outputs the damage classification of each part as an output when the damage image showing the target building for which the damage judgment result is to be estimated, the structure of the target building, and the information of the damage estimation part are input.
  • the "building structure” information is, for example, information about wooden and non-wooden structures.
  • the information on the estimated damage site is, for example, information on the roof, foundation, wall, and the like.
  • the damage classification of each part is expressed in five stages from the degree of damage I to V in the case of a roof, for example.
  • the damage classification at each part may be in accordance with the "Guidelines for Operation of Damage Certification Criteria for Houses Related to Disasters" (March 2nd year of Reiwa) provided by the Cabinet Office.
  • the probability value (score) classified into each classification may be output, or the classification level may be expressed by a continuous value.
  • a learning method similar to a general machine learning method such as deep learning may be applied.
  • the image search unit 14 uses the input building structure, part, and provisional damage judgment result to obtain an image of the damaged building related to the past judgment cases corresponding to the judgment results before and after the provisional damage judgment result in the damaged image database.
  • a plurality of images are extracted from 15 and displayed on the portable terminal device 20A.
  • the judgment result before and after the provisional damage judgment result means the classification before and after the damage judgment classification according to the degree of damage. For example, if the provisional damage judgment result is "half-destroyed", it is “quasi-destroyed". "Half-destroyed” is one step before (one step below) "half-destroyed”, and "large-scale half-destroyed” is one step behind (one step up) "half-destroyed”.
  • the image search unit 14 in the present embodiment extracts a plurality of damaged images corresponding to the same determination result as the provisional damage determination result and the determination result of the degree of damage before and after the provisional damage determination result, but determines before and after the provisional damage determination result. It suffices to extract the damaged image corresponding to at least one of the judgment results.
  • the image related to the provisional damage determination result the image of the classification range of the degree of damage may be set in advance, or may be configured so as to be appropriately selected by the user operation.
  • the image search unit 14 extracts a plurality of damaged images corresponding to each of the provisional damage judgment result and the judgment result of the degree of damage before and after the provisional damage judgment result. Is preferable.
  • the investigator can confirm the damaged image corresponding to the damage judgment result of the category adjacent to the input provisional damage judgment result on the screen of the mobile terminal device 20A.
  • the investigator selects the judgment result that includes the image of the damage degree similar to the damage degree of the surveyed building from the pair of the judgment result displayed on the mobile terminal device 20A and the damaged image group of the damaged building, and selects the target house.
  • the determination result of can be determined.
  • the investigator can convincely determine the degree of damage to the target building by referring to the image group registered by the investigator himself based on the determination result in the past. can.
  • the staff inputs the damage judgment result from the primary investigation of the residential building of the resident as the "provisional damage judgment result" from the mobile terminal device 20A or PC20B.
  • the damage judgment result provisional damage judgment result
  • the damage judgment result is used by using AI to estimate the damage judgment result by combining information such as the structure of the building. ).
  • the residents are not satisfied with, specify that part as well.
  • the server device 10 is a damaged building that belongs to the damage category of the damage level equal to or higher than the damage level of the provisional damage judgment result based on the incidental information such as the structural information of the resident's residential building (house) and the provisional damage judgment result.
  • a plurality of images are extracted from the disaster image database 15 and displayed on the portable terminal device 20A or the PC 20B.
  • FIG. 3 is a flowchart showing an example of the operation of the damage determination information system 1. Each step shown in FIG. 3 is executed by a first processor that executes the processing of the server device 10 or a second processor that executes the processing of the terminal device 20. Each of the first processor and the second processor may be configured to include a plurality of processors.
  • the second processor receives the input of the provisional damage determination result.
  • the second processor can accept input of damage classification information indicating a provisional damage determination result, and can also accept input of an image showing a building subject to damage determination.
  • an image is input, building information regarding the structure and part of the target building may be input in addition to the image.
  • the data input through the terminal device 20 is sent to the server device 10 via the network.
  • the first processor receives data such as a provisional damage determination result through the terminal device 20 and the network.
  • step S12 the first processor determines whether or not the input data includes an image. If the determination result in step S12 is Yes determination, the first processor proceeds to step S13.
  • step S13 the first processor estimates the damage determination result from the input image by AI image recognition, and acquires the damage classification according to the degree of damage of the target building.
  • the estimation result by this damage judgment result estimation process is used as a provisional damage judgment result.
  • step S14 the first processor uses the provisional damage determination result as a search key to extract a damaged image having a determination result similar to the provisional damage determination result from the damaged image database 15, and uses the extracted damaged image as a terminal device.
  • the second processor on the terminal device 20 side reads the damaged image of the determination result similar to the provisional damage determination result extracted from the damaged image database 15, and displays the read damaged image on the display device of the terminal device 20.
  • step S15 it is determined whether or not the second processor is in the process of damage determination investigation. For example, when the determination result in step S15 is Yes determination, such as when an investigator or the like is using this system during the investigation work as in the above-mentioned "Usage example 1", the second processor is used.
  • the process proceeds to step S16, and the input of the damage determination result to be registered is accepted.
  • the input information is the server. It is sent to the device 10.
  • step S17 the first processor performs a process of registering the damage determination result input via the damage determination result input unit 26 in the damage investigation result database 17.
  • step S17 the flowchart of FIG. 3 is terminated. If the determination result in step S15 is No, skip steps S16 to S17 and end the flowchart of FIG.
  • FIG. 4 is a block diagram showing a configuration example of the server device 10.
  • the server device 10 can be realized by a computer system configured by using one or more computers.
  • Various functions of the server device 10 are realized by installing a program on the computer.
  • the server device 10 includes a processor 102, a non-temporary tangible computer-readable medium 104, a communication interface 106, an input / output interface 108, a bus 110, an input device 114, and a display device 116.
  • the processor 102 is an example of the first processor.
  • the computer-readable medium 104 may be paraphrased as a first storage device.
  • the processor 102 includes a CPU (Central Processing Unit).
  • the processor 102 may include a GPU (Graphics Processing Unit).
  • the processor 102 is connected to the computer-readable medium 104, the communication interface 106, and the input / output interface 108 via the bus 110.
  • the input device 114 and the display device 116 are connected to the bus 110 via the input / output interface 108.
  • the computer-readable medium 104 includes a memory as a main storage device and a storage as an auxiliary storage device.
  • the computer-readable medium 104 may be, for example, a semiconductor memory, a hard disk drive (HDD) device, a solid state drive (SSD) device, or a combination thereof.
  • the communication interface 106 controls wired and / or wireless communication.
  • the server device 10 is connected to the network 30 (see FIG. 4) via the communication interface 106.
  • the computer-readable medium 104 stores a plurality of programs, data, and the like for performing various processes.
  • the computer-readable medium 104 stores, for example, a damage determination result estimation program 130, an image search program 134, a damage determination result registration program 136, a damage image database 15, and a damage investigation result database 17.
  • the damage determination result estimation program 130 includes one or more trained AI models (learned models) trained so that the output of the target task can be obtained by applying machine learning such as deep learning. good.
  • the AI model can be constructed using, for example, a convolutional neural network (CNN) having a convolutional layer.
  • CNN convolutional neural network
  • One of the AI models included in the damage determination result estimation program 130 is the damage estimated for the part of the target building when the image showing the target building and the building information regarding the structure and part of the target building are input. It may be a trained model that has been machine-learned to output the classification.
  • the damage judgment result estimation program 130 inputs the damage image showing the damaged building, the structure of the target building, and the information of the damage estimation part into the AI model, and outputs the predicted value (estimated value) of the damage judgment result of the target building as output. ).
  • Such an AI model correctly answers the damage judgment result confirmed by the actual damage certification survey for the input data including the damaged image showing the damaged building, the structure of the target building, and the information of the damaged target part.
  • the estimation process executed according to the damage determination result estimation program 130 is an example of the “damage determination result estimation process” in the present disclosure. It is also possible to create learning data from the data registered in the damage investigation result database 17.
  • the damage judgment result estimated by the damage judgment result estimation program 130 is passed to the image search program 134 as a "provisional damage judgment result”.
  • the image search program 134 extracts an image of a judgment result similar to the provisional damage judgment result from the damaged image database 15 based on the provisional damage judgment result.
  • the image extracted by the image search program 134 is sent to the terminal device 20 via the communication interface 106.
  • the damage determination result registration program 136 registers information in the damage investigation result database 17 and manages the database.
  • the damage determination result registration program 136 performs a process of registering the damage determination result input from the terminal device 20 displaying the image of the determination result similar to the provisional damage determination result in the damage investigation result database 17. In this way, the "confirmed damage determination result" is registered in the damage investigation result database 17.
  • the registered (confirmed) damage determination result may be changed by the subsequent secondary investigation or the like.
  • the processor 102 When the processor 102 executes the instruction of the damage determination result estimation program 130, the processor 102 functions as a processing unit that estimates the damage determination result by image recognition. Further, when the processor 102 executes the instructions of the image search program 134 and the damage determination result registration program 136, the processor 102 functions as the image search unit 14 and the damage determination result registration unit 16.
  • a display control program (not shown) is stored in the computer-readable medium 104.
  • the display control program generates a display signal necessary for display output to the display device 116, and controls the display of the display device 116.
  • the display device 116 is composed of, for example, a liquid crystal display, an organic EL (organic electro-luminescence: OEL) display, a projector, or an appropriate combination thereof.
  • the input device 114 comprises, for example, a keyboard, mouse, touch panel, multi-touch screen, or other pointing device, or voice input device, or any combination thereof. The input device 114 receives various inputs by the operator.
  • FIG. 4 shows an example of constructing a damage determination result estimation program 130, an image search program 134, a damage determination result registration program 136, a damage image database 15, and a damage investigation result database 17 on one server device 10.
  • the processing functions and databases of these programs may be realized by distributing the functions to a plurality of computers.
  • FIG. 5 is a block diagram showing a configuration example of the terminal device 20.
  • the terminal device 20 includes a processor 202, a non-temporary tangible computer readable medium 204, a communication interface 206, an input / output interface 208, a bus 210, an input device 214, and a display device 216.
  • the hardware configuration of the terminal device 20 may be the same as the hardware configuration of the server device 10 described with reference to FIG.
  • Processor 202 is an example of a second processor.
  • the computer-readable medium 204 may be paraphrased as a second storage device.
  • the terminal device 20 is communicably connected to the server device 10 via the communication interface 206.
  • the computer-readable medium 204 stores various programs and data including a provisional damage determination result input UI (User Interface) program 222, a search result image display processing program 224, and a damage determination result input UI program 226.
  • the provisional damage determination result input UI program 222 performs a process of displaying an input screen for accepting input of the provisional damage determination result and a process of processing the input information.
  • the search result image display processing program 224 performs a process of displaying a plurality of damaged images provided by the server device 10 on the display device 216.
  • the damage determination result input UI program 226 accepts the input of the damage determination result to be registered and processes the input information.
  • the processor 202 executes the instruction of the provisional damage determination result input UI (User Interface) program 222, the processor 202 and the input device 214 function as the provisional damage determination result input unit 12. Further, when the processor 202 executes the instruction of the search result image display processing program 224, the processor 202 and the display device 216 function as the image display unit 24. Further, when the processor 202 executes the instruction of the damage determination result input UI program 226, the processor 202 and the input device 214 function as the damage determination result input unit 26.
  • UI User Interface
  • a display control program (not shown) is stored in the computer-readable medium 204.
  • the display control program generates a display signal necessary for display output to the display device 216, and controls the display of the display device 216.
  • the terminal device 20 may include a camera and / or a media interface (not shown).
  • the damage determination result may be estimated by the damage determination result estimation program 130 by photographing the target building with a camera mounted on the terminal device 20 and sending the photographed image to the server device 10.
  • the damaged image of the target building is stored in the portable external storage medium such as a memory card
  • the damaged image is read from the portable external storage medium via the media interface, and the read image is sent to the server device 10.
  • the damage determination result estimation program 130 may estimate the damage determination result.
  • the damage determination result estimation program 130 is incorporated in the server device 10, but the damage determination result estimation program 130 may be installed in the terminal device 20.
  • the processor 202 of the terminal device 20 can function as a processing unit for estimating the damage determination result.
  • FIG. 6 is an example of a screen displayed on the display device 216 of the terminal device 20.
  • the display screen 50 has a field for entering the name, address, and telephone number of a resident of the target building (applicant for investigation), a damage determination result input box 52, a first image display area 54, and a second image.
  • a display area 56 and a third image display area 58 are included.
  • the damage determination result input box 52 is a field for inputting a provisional damage determination result.
  • the pull-down button 60 displayed next to the damage determination result input box 52 is pressed, "totally destroyed”, “large-scale half-destroyed”, “half-destroyed”, “semi-half-destroyed” and “not semi-half-destroyed” are input candidates.
  • a pull-down menu (pull-down list) including the five categories is displayed, and the user can input to the damage determination result input box 52 by selecting a desired determination result from the pull-down menu.
  • the “press” of the GUI button includes the concept of operations such as "click” and "tap”.
  • an input box for inputting information on the structure and / or part of the building may be further provided.
  • the first image display area 54 is an area for displaying a damaged image corresponding to the provisional damage determination result.
  • Each of the images IM1, IM2, IM3 and IM4 in the figure represents an example of an image determined to be "half-destroyed" in a past disaster.
  • the four images IM1 to IM4 are displayed side by side in the horizontal direction, but the number of images to be displayed and the arrangement form of the images are not limited to the illustrated example. The same applies to other image display areas.
  • the second image display area 56 is an area for displaying a damaged image corresponding to a judgment result whose damage classification is one step higher than the provisional damage judgment result.
  • Each of the images IM5 and IM6 in the figure represents an example of an image determined to be "large-scale half-destroyed" in a past disaster.
  • the third image display area 58 is an area for displaying the damaged image corresponding to the determination result whose damage classification is one step lower than the provisional damage determination result.
  • Each of the images IM7 and IM8 in the figure represents an example of an image determined to be "quasi-half-destroyed" in a past disaster.
  • the image can be scrolled by the scroll bars 64 and 65 in the image display areas of the second image display area 56 and the third image display area 58, respectively.
  • the image may be scrolled for each image display area by a swipe operation or a flick operation.
  • the image display area is divided into three areas, and examples of "half-destroyed”, “large-scale half-destroyed”, and “quasi-half-destroyed” houses are displayed simultaneously on one screen. May be displayed on a separate screen.
  • examples of "half-destroyed”, “large-scale half-destroyed”, and "quasi-half-destroyed” houses are displayed simultaneously on one screen. May be displayed on a separate screen.
  • the title icon 66 "Example of a house determined to be” half-destroyed "" in the first image display area 54 is pressed, only the image example of the house determined to be "half-destroyed" is displayed on one screen or separately. Multiple may be shown in the window.
  • the title icon 67 in the second image display area 56 or the title icon 68 in the third image display area 58 is tapped, only a plurality of image examples corresponding to each title are displayed in one screen or in a separate window. May be shown.
  • the investigator can check the validity of the provisional damage judgment result input in the damage judgment result input box 52 by referring to the past damage images corresponding to the provisional damage judgment result and the judgment results before and after the provisional damage judgment result.
  • the display screen 50 includes an OK button 69 for inputting an instruction to execute registration of the damage determination result.
  • the OK button 69 may be paraphrased as a “damage determination result registration execution button” or a “damage determination result approval button”.
  • the investigator who referred to the past damage image presses the OK button 69 when it is judged that the provisional damage judgment result input in the damage judgment result input box 52 is appropriate, and gives an instruction to register the damage judgment result. send.
  • FIG. 7 is another example of the screen displayed on the display device 216 of the terminal device 20.
  • the display screen 51 shown in FIG. 7 may be applied.
  • FIG. 7 the same reference numerals are given to the elements common to the configuration shown in FIG. 6, and the description thereof will be omitted.
  • the configuration shown in FIG. 7 will be described as being different from that of FIG.
  • the first image display area 54 of the display screen 51 shown in FIG. 7 includes a damage degree designation box 70 for designating a damage degree classification and a pull-down button 72.
  • the damage degree designation box 70 and the pull-down button 72 may be the same as the damage determination result input box 52 and the pull-down button 72.
  • the input content of the damage determination result input box 52 is automatically reflected as the initial input content of the damage degree designation box 70. Therefore, when a provisional damage determination result (for example, "half-destroyed") is input in the damage determination result input box 52, an example of a damaged image corresponding to the input provisional damage determination result is displayed in the first image display area 54. Is displayed. After that, the user can display the damaged image of the damage determination result related to the selection in the first image display area 54 by selecting the desired damage degree category from the pull-down button 72.
  • the second image display area 56 of the display screen 51 also includes the damage degree designation box 74 and the pull-down button 76.
  • the damage degree designation box 74 the damage judgment result of the damage degree one step higher than the provisional damage judgment result input in the damage judgment result input box 52 is automatically reflected as the initial input content. Therefore, when a provisional damage determination result (for example, "half-destroyed") is input in the damage determination result input box 52, the damage level is one step higher than the input provisional damage determination result in the second image display area 56.
  • An example of the damaged image corresponding to here, "large-scale half-destroyed" is displayed.
  • Each of the images IM11 to IM14 in the figure represents an example of an image determined to be "large-scale half-destroyed" in a past disaster.
  • the user can display the damaged image of the damage determination result related to the selection in the second image display area 56 by selecting the desired damage degree category from the pull-down button 76.
  • the damage degree classification that is automatically displayed in conjunction with the input of the provisional damage determination result may be preset as described above, or may be configured to be appropriately set by the user. ..
  • FIG. 8 is still another example of the screen displayed on the display device 216 of the terminal device 20.
  • FIG. 8 is an example of a display screen 80 that displays information including an estimation result by AI that estimates a damage determination result.
  • information including the estimation result and an example of a damaged image corresponding to the estimated damage determination result can be displayed on the display device 216 of the terminal device 20.
  • the AI estimation result display screen 80 includes an estimation result display area 82 and an image display area 84.
  • the estimation result display area 82 a list T of predicted values of damage determination results by AI and an image G1 of the target building input to AI are displayed.
  • the probability values of "totally destroyed”, “large-scale half-destroyed”, “half-destroyed”, “semi-half-destroyed”, and “not quasi-half-destroyed” are presented as expected values of the damage determination result.
  • the probability value of total destruction is 0%
  • the probability value of large-scale half destruction is 0%
  • the probability value of half destruction is 5%
  • the probability value of quasi-half destruction is 94%
  • the probability value of not reaching quasi-half destruction is 1%. be.
  • the image display area 84 an example of an image of a house judged to have the same degree of damage as the damage judgment result having the highest probability value indicated by the estimation result by AI is displayed.
  • the probability value of "quasi-half-destroyed" is the highest in the list T
  • the images G2, image G3, and images of the houses judged to be "quasi-half-destroyed" in the past disaster as the houses judged to have the same degree of damage. G4 is displayed.
  • the image displayed in the image display area 84 may be an image extracted from the disaster image database 15. In this way, by displaying an example of an image of a house judged to have the same degree of damage as the target house together with the estimation result, it is expected that the residents will be more convinced of the estimation result of AI.
  • a program for realizing a part or all of various processing functions in the server device 10 and the terminal device 20 described in the above embodiment on a computer is an optical disk, a magnetic disk, a semiconductor memory, or other tangible non-temporary information. It is possible to record on a computer-readable medium which is a storage medium and provide a program through this information storage medium.
  • program signal as a download service using a telecommunication line such as the Internet, instead of storing and providing the program in such a tangible non-temporary computer-readable medium.
  • each processing unit A processing unit that executes various processes such as the provisional damage determination result input unit 12, the image search unit 14, the damage determination result registration acquisition, the image display unit 24, and the damage determination result input unit 26 described with reference to FIG.
  • the hardware structure is, for example, various processors as shown below.
  • CPU which is a general-purpose processor that executes programs and functions as various processing units
  • GPU which is a processor specialized in image processing
  • FPGA Field Programmable Gate Array
  • a dedicated electric circuit that is a processor with a circuit configuration specially designed to execute a specific process such as a programmable logic device (PLD) or ASIC (Application Specific Integrated Circuit), which is a processor that can change the CPU. Etc. are included.
  • PLD programmable logic device
  • ASIC Application Specific Integrated Circuit
  • One processing unit may be composed of one of these various processors, or may be composed of two or more processors of the same type or different types.
  • one processing unit may be composed of a plurality of FPGAs, a combination of a CPU and an FPGA, or a combination of a CPU and a GPU.
  • a plurality of processing units may be configured by one processor.
  • one processor is configured by a combination of one or more CPUs and software, as represented by a computer such as a client or a server. There is a form in which the processor functions as a plurality of processing units.
  • SoC System On Chip
  • the various processing units are configured by using one or more of the above-mentioned various processors as a hardware-like structure.
  • the hardware-like structure of these various processors is, more specifically, an electric circuit (circuitry) in which circuit elements such as semiconductor elements are combined.
  • the investigator can refer to the past damage image of the judgment result similar to the provisional damage judgment result on the display device of the mobile terminal device 20A, and can confirm the validity of the provisional damage judgment result. As a result, the investigator can determine the degree of damage to the target building with a sense of conviction.
  • the investigator can judge the appropriate damage judgment result by himself / herself, reduce the number of inquiries to the coordinator, and shorten the investigation time. ..
  • the damage determination information system 1 presents to the residents a concrete example (precedent) of the relationship between the damage image and the damage determination result in the past disaster that can be compared with the damage degree of the target building. be able to. For this reason, residents can judge the validity of their own damage judgment results while checking past cases, determine the damage judgment results with a sense of conviction, and judge the necessity of secondary investigation. Will be possible.
  • the damage judgment of the house damage certification survey has been described as an example, but the scope of application of the technique of this disclosure is not limited to this example, and it can be widely applied to the damage judgment of the damaged building, and the damage is caused. There may be various aspects of the degree classification and the number of divisions (number of stages).
  • the damage determination information system of the present disclosure may be applied when performing damage determination in a disaster insurance investigation or the like.
  • the terminal device in this case may be a computer connected to the insurance company's internal network.

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