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WO2018179436A1 - Programme, procédé et dispositif d'aide à la recherche - Google Patents

Programme, procédé et dispositif d'aide à la recherche Download PDF

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Publication number
WO2018179436A1
WO2018179436A1 PCT/JP2017/013843 JP2017013843W WO2018179436A1 WO 2018179436 A1 WO2018179436 A1 WO 2018179436A1 JP 2017013843 W JP2017013843 W JP 2017013843W WO 2018179436 A1 WO2018179436 A1 WO 2018179436A1
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WO
WIPO (PCT)
Prior art keywords
search
terminal
rescue
wireless terminal
map
Prior art date
Application number
PCT/JP2017/013843
Other languages
English (en)
Japanese (ja)
Inventor
明 野田
一彦 市村
Original Assignee
富士通株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 富士通株式会社 filed Critical 富士通株式会社
Priority to PCT/JP2017/013843 priority Critical patent/WO2018179436A1/fr
Priority to JP2019508495A priority patent/JP6787481B2/ja
Publication of WO2018179436A1 publication Critical patent/WO2018179436A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/04—Position of source determined by a plurality of spaced direction-finders
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/04—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using a single signalling line, e.g. in a closed loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information

Definitions

  • the present invention relates to a search support program, a search support method, and a search support apparatus.
  • disaster rescue dogs When searching for victims buried in rubble during disasters, disaster rescue dogs may be used. When the disaster rescue dog enters the disaster-stricken area, the disaster rescue dog starts searching for the disaster victims together with members such as fire fighters. In addition, it has been proposed to use a communication line such as a mobile phone to acquire information from a device that observes the behavior of a pet or the like that the watched person is taking and detect an abnormal state of the watched person. .
  • the communication line may become unable to communicate due to congestion, and even if the victim has a mobile phone or the like, rescue may not be requested.
  • a member accompanying the disaster rescue dog may visually check the disaster area while the disaster rescue dog searches for the victim. For this reason, it is not known where the victim is buried, and the search for the victim may be inefficient.
  • One aspect is to provide a search support program, a search support method, and a search support apparatus that can support efficient search.
  • the search support program causes the computer to execute processing for acquiring the positions and reception strengths of the plurality of wireless terminals based on the received radio waves from the plurality of wireless terminals.
  • a search assistance program makes a computer perform the process which extracts the radio
  • the search support program causes the computer to execute a process for displaying the search range at the position corresponding to the extracted wireless terminal with the enhancement degree corresponding to the corresponding reception intensity.
  • FIG. 1 is a diagram illustrating an example of the configuration of the search support system according to the embodiment.
  • FIG. 2 is a diagram illustrating an example of terminal position detection by a drone.
  • FIG. 3 is a block diagram illustrating an example of the configuration of the server according to the embodiment.
  • FIG. 4 is a diagram illustrating an example of the captured image storage unit.
  • FIG. 5 is a diagram illustrating an example of a disaster area storage unit.
  • FIG. 6 is a diagram illustrating an example of the search target storage unit.
  • FIG. 7 is a diagram illustrating an example of a rescue dog information storage unit.
  • FIG. 8 is a diagram illustrating an example of a wind direction information storage unit.
  • FIG. 9 is a diagram illustrating an example of identification of a disaster area.
  • FIG. 1 is a diagram illustrating an example of the configuration of the search support system according to the embodiment.
  • FIG. 2 is a diagram illustrating an example of terminal position detection by a drone.
  • FIG. 3 is a block
  • FIG. 10 is a diagram illustrating an example of the display of the identified disaster area.
  • FIG. 11 is a diagram illustrating an example of the display of the detected terminal.
  • FIG. 12 is a diagram illustrating an example of the display of the extracted search target terminal.
  • FIG. 13 is a diagram illustrating an example of a display of rescue dogs.
  • FIG. 14 is a diagram illustrating an example of an enlarged display of a disaster area.
  • FIG. 15 is a diagram illustrating an example of a display of a route approaching from the leeward.
  • FIG. 16 is a diagram illustrating an example of a detour route display.
  • FIG. 17 is a diagram illustrating an example of a rescue dog schedule management display.
  • FIG. 18 is a diagram illustrating an example of display of rescue dog search status.
  • FIG. 19 is a flowchart illustrating an example of search support processing according to the embodiment.
  • FIG. 20 is a diagram illustrating an example of a computer that executes a search support program.
  • FIG. 1 is a diagram illustrating an example of a configuration of a search support system according to an embodiment.
  • a search support system 1 illustrated in FIG. 1 is a system that supports searching for a plurality of terminals 10, and includes a drone 20, a gateway 30, a rescue dog terminal 40, a command terminal 50, and a server 100. That is, the search support system 1 is a system that supports the search for the victim based on the information of the terminal 10 possessed by the victim buried in the rubble during a disaster. Note that the numbers of the drone 20, the gateway 30, the rescue dog terminal 40, and the command terminal 50 are not limited, and the search support system 1 includes an arbitrary number of the drone 20, the gateway 30, the rescue dog terminal 40, and the command terminal 50. May be.
  • the drone 20 and the rescue dog terminal 40 and the server 100 are connected via the gateway 30 and the network N so that they can communicate with each other. Further, the command terminal 50 and the server 100 are connected to each other via a network N so that they can communicate with each other.
  • a network N any type of communication network such as the Internet, LAN (Local Area Network), and VPN (Virtual Private Network) can be adopted regardless of wired or wireless.
  • the drone 20 and the rescue dog terminal 40 and the gateway 30 are connected by wireless communication such as a wireless LAN or a mobile phone line, for example.
  • the terminal 10 is an example of a wireless terminal such as a mobile phone or a smartphone owned by a disaster victim.
  • the terminal 10 periodically transmits radio waves in order to communicate with the base station even during standby.
  • a present Example demonstrates the case where the drone 20 receives the electromagnetic wave which the terminal 10 transmits, and detects the position of the terminal 10 based on a received electromagnetic wave.
  • the drone 20 is, for example, a multicopter which is a kind of small unmanned aerial vehicle (UAV: Unmanned Aero Vehicle). That is, the drone 20 is an example of a flying object.
  • the drone 20 includes, for example, a receiver that receives radio waves transmitted by the terminal 10, an imaging device that captures the disaster area, an acquired captured image, and a communication device that transmits the position of the terminal 10 and the reception intensity of the radio waves. And have.
  • An antenna having directivity is connected to the receiver, and the approximate direction of the terminal 10 can be specified.
  • the drone 20 takes off from the vicinity of the disaster area and images the area including the disaster area from above.
  • the drone 20 transmits the captured image including the captured disaster area to the server 100 through the gateway 30 and the network N together with information such as the imaging position, the imaging date and time, and the imaging direction.
  • the drone 20 rotates at a plurality of points in the vicinity of the disaster area, thereby sweeping the antenna directivity (beam) and searching for the radio waves of the terminal 10.
  • the drone 20 detects the position of the terminal 10 based on the search results of the radio waves of the terminal 10 at a plurality of points.
  • FIG. 2 is a diagram illustrating an example of terminal position detection by a drone.
  • the drone 20 receives the radio wave 62a from the terminal 10, for example, when the beam 61a is swept by rotating at a point 60a. That is, the drone 20 detects the presence of the terminal 10. Thereafter, the drone 20 moves to the point 60b and rotates again to sweep the beam 61b and receive the radio wave 62b from the terminal 10. Further, the drone 20 moves to the point 60c and rotates again to sweep the beam 61c and receive the radio wave 62c from the terminal 10.
  • the drone 20 detects the position of the terminal 10 based on the reception intensity of the radio waves 62a, 62b, 62c at the points 60a, 60b, 60c and the directions of the beams 61a, 61b, 61c. That is, the drone 20 sets the position of the terminal 10 at a point where the direction and distance in which the terminal 10 is detected at a plurality of points overlap.
  • the drone 20 similarly detects the position of each of the plurality of terminals 10 and transmits the detected position and reception intensity to the server 100 via the gateway 30 and the network N.
  • the reception strength that is, the strength of radio waves depends on the distance to the terminal 10. That is, when the radio wave is strong, the distance from the drone 20 to the terminal 10 is short, and when the radio wave is weak, the distance from the drone 20 to the terminal 10 is long.
  • the reception intensity of the radio waves 62a, 62b, and 62c also changes depending on how the victim's terminal 10 is buried in the rubble. That is, the strength of radio waves depends on the state in which the terminal 10 is buried in rubble as another viewpoint. That is, when the radio wave is strong, the terminal 10 is shallowly buried in the rubble and the search range is limited. Therefore, the conductor can determine that the search is immediately performed by the rescue dog.
  • the terminal 10 when the radio wave is weak, the terminal 10 is buried deeply in the rubble. For this reason, when displaying the search range on the map based on the reception intensity, the distance is close when the reception intensity is weak by determining the presence or absence of debris based on the captured image captured by the drone 20. You can determine whether it is buried in rubble or just far away. Whether the conductor considers the position of the terminal 10 detected by the drone 20 and the information, and directs the rescue dog he / she leads to rescue or leaves the rescue dog led by another rescue team member Can be judged.
  • the gateway 30 is arranged in the vicinity of the disaster area and is connected to the drone 20 and the rescue dog terminal 40 by wireless communication such as a wireless LAN or a mobile phone line. That is, the gateway 30 is a gateway for connecting the drone 20 and the rescue dog terminal 40 to the network N. That is, the gateway 30 relays communication between the drone 20 and the rescue dog terminal 40 and the server 100 via itself and the network N.
  • the rescue dog terminal 40 is a wireless terminal equipped in a rescue dog or a rescue crew member who uses the rescue dog.
  • the rescue dog terminal 40 includes a positioning sensor for positioning a position such as GPS (Global Positioning System), and a communication device for communicating with the server 100 via the gateway 30 and the network N.
  • the rescue dog terminal 40 may be a wireless terminal that periodically transmits position information such as a so-called GPS tracker.
  • the rescue crew members are equipped with the rescue dog terminal 40, for example, by using a smartphone or the like, the map information transmitted from the server 100, information related to the rescue dog, or the like may be displayed. .
  • the rescue dog terminal 40 periodically transmits, for example, position information measured every minute to the server 100 via the gateway 30 and the network N.
  • the command terminal 50 is an information processing apparatus that performs instructions to the drone 20, grasps the search status of rescue dogs equipped with the rescue dog terminal 40, schedule management of rescue dogs, and the like.
  • a portable or stationary personal computer can be used for the command terminal 50.
  • the command terminal 50 may be a mobile communication terminal such as a tablet terminal or a smartphone.
  • the command terminal 50 is connected to the server 100 via the network N, instructs the server 100 to perform various processes, and displays the results of various processes in the server 100.
  • the command terminal 50 presents information on the affected area to the conductor by displaying a map in GIS (Geographic Information System) and various information plotted on the map, for example.
  • GIS Geographic Information System
  • the server 100 is an information processing apparatus that acquires information such as a captured image, position information, and reception intensity from the drone 20 and the rescue dog terminal 40 and provides a GIS function and the like to the command terminal 50.
  • the server 100 is an example of a search support device.
  • the server 100 acquires the positions and reception strengths of the plurality of terminals 10 based on the received radio waves from the plurality of terminals 10.
  • the server 100 extracts the terminal 10 corresponding to the position included in the disaster area from the acquired positions as the search target terminal 10.
  • the server 100 causes the command terminal 50 to display a display screen in which the search range is displayed at the position corresponding to the extracted terminal 10 with the enhancement degree corresponding to the corresponding reception intensity. Thereby, the server 100 can assist so that the search can be performed efficiently.
  • the server 100 extracts the terminal 10 corresponding to the position included in the disaster area as the search target terminal 10.
  • the server 100 acquires the position of the rescue dog terminal 40 mounted on the rescue dog.
  • the server 100 causes the command terminal 50 to display a display screen in which the position of the rescue dog terminal 40 mounted on the acquired rescue dog and the position of the search target terminal 10 are displayed on a map.
  • the server 100 causes the command terminal 50 to display a display screen displaying data indicating the wind direction observed for one or a plurality of locations on the map along with the display of the position.
  • the server 100 can assist so that the search can be performed efficiently.
  • FIG. 3 is a block diagram illustrating an example of the configuration of the server according to the embodiment.
  • the server 100 includes a communication unit 110, a display unit 111, an operation unit 112, a storage unit 120, and a control unit 130.
  • the server 100 may include various functional units included in known computers, for example, functional units such as various input devices and audio output devices, in addition to the functional units illustrated in FIG. 3.
  • the communication unit 110 is realized by, for example, a NIC (Network Interface Card).
  • the communication unit 110 is connected to the drone 20, the rescue dog terminal 40, and the command terminal 50 via the network N in a wired or wireless manner, and manages information communication between the drone 20, the rescue dog terminal 40 and the command terminal 50. It is a communication interface.
  • the communication unit 110 outputs the captured image received from the drone 20, the detected position of the terminal 10, and the reception intensity of the radio wave to the control unit 130.
  • the communication unit 110 outputs the position information received from the rescue dog terminal 40 to the control unit 130.
  • the communication unit 110 transmits various display information in the GIS input from the control unit 130 to the command terminal 50.
  • the display unit 111 is a display device for displaying various information to the administrator of the server 100.
  • the display unit 111 is realized by, for example, a liquid crystal display as a display device.
  • the display unit 111 displays various screens such as a display screen input from the control unit 130.
  • the operation unit 112 is an input device that receives various operations from the administrator of the server 100.
  • the operation unit 112 is realized by, for example, a keyboard or a mouse as an input device.
  • the operation unit 112 outputs an operation input by the administrator to the control unit 130 as operation information.
  • the operation unit 112 may be realized by a touch panel or the like as an input device, and the display device of the display unit 111 and the input device of the operation unit 112 may be integrated.
  • the storage unit 120 is realized by, for example, a semiconductor memory element such as a RAM (Random Access Memory) or a flash memory, or a storage device such as a hard disk or an optical disk.
  • the storage unit 120 includes a map information storage unit 121, a captured image storage unit 122, a disaster area storage unit 123, a search target storage unit 124, a rescue dog information storage unit 125, and a wind direction information storage unit 126.
  • the storage unit 120 stores information used for processing in the control unit 130.
  • the map information storage unit 121 stores various GIS map information.
  • the map information storage unit 121 stores, for example, topographic maps, attribute information related to features such as buildings, geodetic systems (for example, the world geodetic system (WGS84)), scales, and the like.
  • the map information storage unit 121 stores the map information as raster data or vector data, for example.
  • the map information storage unit 121 also stores captured images such as aerial photographs and satellite images in a normal state in association with the map. Further, the map information storage unit 121 may store map information to which various types of information described later are added.
  • the captured image storage unit 122 stores a captured image captured by the drone 20.
  • FIG. 4 is a diagram illustrating an example of the captured image storage unit. As illustrated in FIG. 4, the captured image storage unit 122 includes items such as “image ID (Identifier)”, “imaging position”, “imaging date / time”, “imaging direction”, and “file name”. The captured image storage unit 122 stores, for example, one record for each image ID.
  • Imaging ID is an identifier for identifying a captured image.
  • the “imaging position” is information indicating a position where the captured image is captured.
  • the “imaging position” is represented by longitude and latitude, and is based on a geodetic system such as the world geodetic system (WGS84), for example.
  • GSS84 world geodetic system
  • Imaging date and time is information indicating the date and time when the captured image was captured.
  • Imaging direction is information indicating in which direction the drone 20 has imaged.
  • the “imaging direction” can be expressed by, for example, an angle with reference to the north (a round is 360 °).
  • the “file name” is information indicating an image file which is data of a captured image stored in a predetermined directory, for example. Note that the captured image storage unit 122 may directly store captured image data instead of the file name.
  • the disaster area storage unit 123 stores information on the disaster area specified according to the difference between the captured image captured by the drone 20 and the past captured image at the corresponding position.
  • FIG. 5 is a diagram illustrating an example of a disaster area storage unit. As illustrated in FIG. 5, the disaster area storage unit 123 includes items such as “area ID”, “center position”, “range”, and “side direction”. The disaster area storage unit 123 stores, for example, one record for each area ID.
  • “Region ID” is an identifier for identifying the affected area.
  • “Center position” is information indicating the position of the center of the affected area. The “center position” is represented by longitude and latitude, and is based on a geodetic system such as the world geodetic system (WGS84), for example.
  • “Range” is information indicating the range of the affected area. The “range” can be a square, for example, and can be represented by the length of one side of the square.
  • the “direction of side” is information indicating the direction of one side of a square in the disaster area, for example.
  • the search target storage unit 124 stores the position information, reception intensity, and the like of the terminal 10 extracted as the search target.
  • FIG. 6 is a diagram illustrating an example of the search target storage unit. As illustrated in FIG. 6, the search target storage unit 124 includes items such as “terminal ID”, “position information”, “reception strength”, “search range”, and “searched”. The search target storage unit 124 stores, for example, one record for each terminal ID.
  • “Terminal ID” is an identifier for identifying the terminal 10 extracted as a search target.
  • the “position information” is information indicating the position of the detected terminal 10 received from the drone 20.
  • “Position information” is expressed by longitude and latitude, and is based on a geodetic system such as the world geodetic system (WGS84), for example.
  • “Reception strength” is information indicating the reception strength of the radio wave received from the detected terminal 10 received from the drone 20.
  • “Search range” is information indicating the size of the search range set in accordance with the reception strength. The “search range” is, for example, classified into three levels of strong, medium, and weak reception intensity, and “levels 1 to 3” are set for each.
  • “Level 1” has the narrowest search range, for example, a radius of about m.
  • “Level 2” can be set to an intermediate search range, for example, a radius of about several tens of meters.
  • “Level 3” has the widest search range, for example, a radius of about 20 to 30 m. Note that the search range may be widened when the reception strength is strong. For the “search range”, for example, numerical values such as a radius and a diameter may be directly used.
  • “Searched” is information indicating whether or not the rescue dog has searched for the terminal 10 to be searched. “Searched” is “Y” when the terminal 10 has been searched, and “N” when the terminal 10 has not been searched.
  • the rescue dog information storage unit 125 stores the current position information and the searched trajectory information in association with each rescue dog.
  • FIG. 7 is a diagram illustrating an example of a rescue dog information storage unit. As illustrated in FIG. 7, the rescue dog information storage unit 125 includes items such as “rescue dog terminal ID”, “rescue dog name”, “order”, “position information”, and “trajectory information”. The rescue dog information storage unit 125 stores, for example, one record for each rescue dog terminal ID.
  • “Rescue dog terminal ID” is an identifier for identifying the rescue dog terminal 40.
  • “Rescue dog name” is information indicating the name of the rescue dog.
  • “Order” is information indicating the order in which rescue dogs search.
  • “Position information” is information indicating the current position of the rescue dog terminal 40.
  • “Position information” is expressed by longitude and latitude, and is based on a geodetic system such as the world geodetic system (WGS84), for example.
  • the “trajectory information” is information indicating the travel route searched by the rescue dog, and stores the date and position information in association with each other.
  • the wind direction information storage unit 126 stores, for example, information on the wind direction and the like of each point input by a rescue crew member who uses the rescue dog.
  • the wind direction information may be obtained from external weather stations.
  • FIG. 8 is a diagram illustrating an example of a wind direction information storage unit. As shown in FIG. 8, the wind direction information storage unit 126 includes items such as “point ID”, “position information”, “wind direction”, and “wind force”.
  • the wind direction information storage unit 126 stores, for example, one record for each point ID.
  • “Point ID” is an identifier for identifying a point where information such as wind direction and wind force is observed.
  • Position information is information indicating the position of the observation point.
  • Position information is expressed by longitude and latitude, and is based on a geodetic system such as the world geodetic system (WGS84), for example.
  • Wind direction is information indicating the wind direction, and for example, a 16-direction stippling formula (for example, notation such as south-southeast) can be used.
  • “Wind force” is information indicating the strength of the wind, and can be expressed using, for example, the Japan Meteorological Agency wind class.
  • control unit 130 executes, for example, a program stored in an internal storage device using a RAM as a work area by a CPU (Central Processing Unit), an MPU (Micro Processing Unit), or the like. Is realized.
  • the control unit 130 may be realized by an integrated circuit such as ASIC (Application Specific Integrated Circuit) or FPGA (Field Programmable Gate Array).
  • the control unit 130 includes an acquisition unit 131, an extraction unit 132, a display control unit 133, and a specification unit 134, and realizes or executes functions and operations of information processing described below.
  • the internal configuration of the control unit 130 is not limited to the configuration illustrated in FIG. 3, and may be another configuration as long as the information processing described below is performed.
  • the display control unit 133 of the server 100 that transmits and displays the GIS map information via the network N to the command terminal 50 may be simply expressed as a map.
  • the acquisition unit 131 receives and acquires a captured image of an area including the disaster area from the drone 20 through the gateway 30, the network N, and the communication unit 110 together with information such as an imaging position, an imaging date and an imaging direction.
  • the acquisition unit 131 refers to the map information storage unit 121 and obtains a difference from a past captured image corresponding to the acquired captured image, that is, a normal captured image, based on the captured position.
  • the acquisition unit 131 identifies a disaster area based on the difference.
  • the acquisition unit 131 outputs information on the target area including the identified disaster area to the extraction unit 132.
  • the acquisition unit 131 When the acquisition unit 131 specifies the disaster area, the acquisition unit 131 receives the positions and reception strengths of the plurality of terminals 10 transmitted from the drone 20 following the captured image via the gateway 30, the network N, and the communication unit 110. get. The acquisition unit 131 outputs the acquired position and reception intensity of the plurality of terminals 10, that is, the position information and reception intensity of each terminal 10 to the extraction unit 132.
  • the acquisition unit 131 receives and acquires position information from the rescue dog terminal 40 via the gateway 30, the network N, and the communication unit 110.
  • the acquisition unit 131 outputs the acquired position information of the rescue dog terminal 40 to the extraction unit 132 and stores it in the rescue dog information storage unit 125.
  • the rescue dog information storage unit 125 stores past position information of the rescue dog terminal 40 as trajectory information.
  • the acquisition part 131 acquires the wind direction information, such as the wind direction of each point and the wind force which the rescue crew member who uses a rescue dog etc. input, for example.
  • the acquisition unit 131 stores the acquired wind direction information in the wind direction information storage unit 126. Note that the wind direction information may be obtained from external weather stations.
  • FIG. 9 is a diagram illustrating an example of identification of a disaster area.
  • the acquisition unit 131 refers to the map information storage unit 121 and acquires a normal captured image 63b corresponding to the acquired captured image 63a.
  • the acquisition unit 131 obtains a difference between the captured image 63a and the captured image 63b using, for example, a background difference method.
  • the acquisition unit 131 identifies the disaster area 64 based on the obtained difference.
  • FIG. 10 is a diagram showing an example of the display of the identified disaster area.
  • a map 65 illustrated in FIG. 10 is an example of a display when the disaster areas 64a, 64b, and 64c specified by the acquisition unit 131 are reflected in the GIS.
  • the disaster areas 64a, 64b, and 64c are represented by rectangles with respect to the map 65 of the area including the disaster area.
  • the extraction unit 132 refers to the map information storage unit 121 and acquires map information based on the information on the target area.
  • the extraction unit 132 adds the disaster area included in the target area information to the acquired map information.
  • the extraction unit 132 adds the position of each terminal 10 to the map information to which the affected area is added based on the position information of each terminal 10. That is, in the display on the map of GIS, the disaster area and the terminal 10 detected in the target area are displayed on the map.
  • FIG. 11 is a diagram illustrating an example of the display of the detected terminal.
  • disaster areas 64 a, 64 b, 64 c and detected positions 66 of the detected terminals 10 are shown on a map 65.
  • the detection positions 66 other than the disaster areas 64a, 64b, and 64c are positions of the terminal 10 of the person who is not buried in the rubble.
  • the terminals 10 at the detection positions 66b and 66c may be distinguished from each other based on the difference that there is no movement and the terminals 10 at the other detection positions 66 have movement.
  • the extraction unit 132 extracts the search target terminal 10 in the disaster area for the map information to which the disaster area and the position of each terminal 10 are added. That is, in the example of FIG. 11, the extraction unit 132 extracts the terminals 10 at the detection positions 66 b and 66 c as the search target terminals 10. The extraction unit 132 excludes positions other than the search target terminal 10 from the positions of the terminals 10 added to the map information. That is, the extraction unit 132 extracts the terminal 10 corresponding to the position included in the disaster area as the terminal 10 to be searched. Moreover, the extraction part 132 adds the positional information on the rescue dog terminal 40 to map information.
  • the extraction unit 132 adds the location information of the disaster area, the search target terminal 10 in the disaster area, and the location information of the rescue dog terminal 40 to the map information acquired from the map information storage unit 121. Generate information.
  • the extraction unit 132 outputs the map information to which the generated various information is added to the display control unit 133.
  • the display control unit 133 transmits the input map information to the command terminal 50 through the communication unit 110 and the network N and displays the map information. That is, as the display of the GIS on the command terminal 50, a map to which the disaster area, the position information of the terminal 10 to be searched in the disaster area, and the position information of the rescue dog terminal 40 are added is displayed.
  • FIG. 12 is a diagram illustrating an example of the display of the extracted search target terminal.
  • the position 67 of the dog terminal 40 is shown.
  • the rescue dog is heading toward the disaster area 64c.
  • the position 67 of the rescue dog terminal 40 may be displayed with characters indicating the name of the rescue dog in addition to the dog mark. That is, in the display on the map of GIS, the position 67 of the rescue dog terminal 40 mounted on the rescue dog is displayed on the map 65 with characters or marks corresponding to the dog.
  • FIG. 13 is a diagram illustrating an example of a display of rescue dogs.
  • the disaster areas 64a, 64b, 64c, the detection position 66b of the search target terminal 10 in the disaster area 64b, the detection position 66c of the search target terminal 10 in the disaster area 64c, and the search The position 67 of the rescue dog terminal 40 inside is shown.
  • a standby rescue dog icon 68 is displayed on the map 65 as compared to FIG. 12.
  • the display control unit 133 When the display control unit 133 receives an instruction to enlarge the vicinity of the damaged area from the command terminal 50 on the GIS, the display control unit 133 causes the command terminal 50 to display map information in which the damaged area is enlarged. Further, the display control unit 133 displays a search range corresponding to the reception intensity of the radio wave on the GIS around the detection position of the search target terminal 10 in the enlarged display. That is, the display control unit 133 displays a search range according to the position of the search target terminal 10 on the map.
  • FIG. 14 is a diagram showing an example of an enlarged display of the affected area.
  • the search range 70 d of the detection position 66 d in the map 69 is a search range when the reception intensity of the radio wave received from the search target terminal 10 is weak and the search range is “level 3”, which is the widest. It is a display example.
  • the display control unit 133 searches in real time based on the position information of the rescue dog terminal 40 even when the rescue dog approaches the detection position of the search target terminal 10 even if the reception intensity is weak. The range may be reduced.
  • the position 67 of the rescue dog terminal 40 being searched is approaching the detection position 66e.
  • the search range 70e of the detection position 66e is, for example, a display of a search range corresponding to “level 1” having the narrowest search range from the initial “level 3”. That is, the search range 70e indicates that the search progresses and the search range is reduced as the rescue dog approaches the search target terminal 10.
  • the display control unit 133 displays the search range at the position corresponding to the extracted terminal 10 with the enhancement degree corresponding to the corresponding reception intensity. Further, the display control unit 133 may display the search range wider or red as the reception intensity is higher.
  • FIG. 15 is a diagram illustrating an example of a display of a route approaching from the leeward.
  • a map 71 shown in FIG. 15 displays the position 67 of the rescue dog terminal 40 of the rescue dog that is heading toward the detection position 73 of the search target terminal 10 in the disaster area 72.
  • the wind direction information 74 is displayed on the map 71, and it can be seen that the rescue dog is heading toward the detection position 73 from the leeward side.
  • the display control unit 133 displays the position 67 of the rescue dog terminal 40 mounted on the acquired rescue dog and the position of the terminal 10 to be searched on the map, and one or more locations on the map. Displays data indicating the observed wind direction.
  • the display control unit 133 determines whether or not an instruction to display the rescue dog's movement route is received from the command terminal 50 on the GIS. That is, the display control unit 133 determines whether or not to display the rescue dog's movement route on the map. If the display control unit 133 determines to display the travel route of the rescue dog on the map, the display control unit 133 outputs a specific instruction to the specifying unit 134. If the display control unit 133 determines that the travel route of the rescue dog is not displayed on the map, the display control unit 133 determines whether an instruction to end the search is received from the command terminal 50. That is, the display control unit 133 determines whether to end the search.
  • the display control unit 133 If it is determined that the search is not terminated, the display control unit 133 returns to the process of acquiring the positions and reception strengths of the plurality of terminals 10 and performs a series of search support processes. If the display control unit 133 determines to end the search, the display support unit 133 ends the search support process.
  • the display control unit 133 displays the input movement route of the rescue dog on the GIS map.
  • the display control unit 133 determines whether or not to end the above search.
  • a specific instruction is input to the specifying unit 134 from the display control unit 133.
  • the specifying unit 134 refers to the disaster area storage unit 123, the search target storage unit 124, and the rescue dog information storage unit 125, and the disaster area, the position information of the terminal 10 to be searched, and the rescue Based on the position information of the dog terminal 40, the rescue route of the rescue dog is specified.
  • the specifying unit 134 can specify the movement route so as to bypass the disaster area from the current position of the rescue dog.
  • the specifying unit 134 outputs the specified moving route of the rescue dog to the display control unit 133.
  • FIG. 16 is a diagram showing an example of a display of a detour route.
  • the disaster areas 76a to 76e are displayed, and the detection positions 77a, 77b, and 77e of the search target terminal 10 are displayed in the disaster areas 76a, 76b, and 76e.
  • the rescue dog that has finished searching for the detection position 77a is going to the detection position 77b.
  • the specifying unit 134 specifies the movement route of each of the plurality of rescue dogs so that the area of the search range of the plurality of terminals 10 to be searched is minimized. You may make it do. In this case, the specifying unit 134 outputs each moving route to the display control unit 133 so that each specified moving route can be displayed on the map in association with each corresponding rescue dog.
  • the specifying unit 134 may refer to the wind direction information storage unit 126 and specify the movement route of each of the rescue dogs based on the wind direction information in the disaster area, that is, the data indicating the wind direction.
  • the server 100 may provide rescue dog schedule management and search records as information on the GIS to the command terminal 50.
  • the display on the command terminal 50 in this case will be described with reference to FIGS. 17 and 18. .
  • FIG. 17 is a view showing an example of a display of rescue dog schedule management.
  • FIG. 17 is a display example of schedule management when three rescue dogs, for example, “John”, “Pochi”, and “Taro” are dispatched to the affected area. Since the search time for rescue dogs is about 20 to 30 minutes per head, a plurality of rescue dogs are rotated and searched. In the example of FIG. 17, the search is performed in the order of “John”, “Pochi”, and “Taro”. Further, when using a plurality of rescue dogs, it is required that the disaster areas searched by the rescue dogs do not overlap. For this reason, the server 100 displays the search status of each rescue dog on the GIS map so that the conductor can know the searched range at a glance.
  • FIG. 18 is a diagram showing an example of a display of rescue dog search status.
  • an icon 80 indicating the rescue dog “John”, a range 81 where “John” has searched, a detection position 82 of the terminal 10 to be searched, and “John” have searched.
  • Wind direction information 83 indicating the wind direction at the time is displayed.
  • the map 79 includes an icon 84 indicating the rescue dog “Pochi”, a range 85 where “Pochi” has searched, a detection position 86 of the terminal 10 to be searched, and “Pochi” when searching.
  • Wind direction information 87 indicating the wind direction is displayed.
  • the conductor looks at the map 79, and the area searched by the rescue dog “Taro” searching third, the area 81 searched by “John”, and “Pochi” searched In order not to overlap with the range 85, a rescue route member who uses the “tallow” can be instructed to move.
  • FIG. 19 is a flowchart illustrating an example of search support processing according to the embodiment.
  • the acquisition unit 131 of the server 100 receives and acquires the captured image of the area including the disaster area from the drone 20 together with information such as the imaging position, the imaging date and time, and the imaging direction.
  • the acquisition unit 131 refers to the map information storage unit 121 and obtains a difference from a past captured image corresponding to the acquired captured image, that is, a normal captured image, based on the captured position.
  • the acquisition unit 131 identifies the disaster area based on the difference (step S1).
  • the acquisition unit 131 outputs information on the target area including the identified disaster area to the extraction unit 132.
  • the acquisition unit 131 receives and acquires the position information and reception strengths of the plurality of terminals 10 from the drone 20 (step S2).
  • the acquisition unit 131 outputs the position information and reception intensity of each terminal 10 to the extraction unit 132.
  • the acquisition unit 131 receives and acquires position information from the rescue dog terminal 40 (step S3).
  • the acquisition unit 131 outputs the acquired position information of the rescue dog terminal 40 to the extraction unit 132 and stores it in the rescue dog information storage unit 125.
  • the extraction unit 132 receives information on the target area, position information and reception intensity of each terminal 10, and position information of the rescue dog terminal 40 from the acquisition unit 131.
  • the extraction unit 132 refers to the map information storage unit 121 and acquires map information based on the information on the target area.
  • the extraction unit 132 adds the disaster area included in the target area information and the position of each terminal 10 to the acquired map information.
  • the extraction unit 132 extracts the search target terminal 10 in the disaster area for the map information to which the disaster area and the position of each terminal 10 are added (step S4).
  • the extraction unit 132 adds map information obtained by adding, to the map information acquired from the map information storage unit 121, the disaster area, the position information of the terminal 10 to be searched in the disaster area, and the position information of the rescue dog terminal 40. Generate.
  • the extraction unit 132 outputs the map information to which the generated various information is added to the display control unit 133.
  • the display control unit 133 transmits the input map information to the command terminal 50 for display. That is, the display control unit 133 displays the positions of the search target terminal 10 and the rescue dog terminal 40 on the GIS map (step S5).
  • the display control unit 133 When the display control unit 133 receives an instruction to enlarge the vicinity of the damaged area from the command terminal 50 on the GIS, the display control unit 133 causes the command terminal 50 to display map information in which the damaged area is enlarged. In the enlarged display, the display control unit 133 displays a search range corresponding to the position of the search target terminal 10 on the map corresponding to the reception intensity of the radio wave (step S6). In addition, the display control unit 133 refers to the wind direction information storage unit 126 and acquires the wind direction information of the affected area. The display control unit 133 adds the acquired wind direction information to the map information, and displays the wind direction information on the map (step S7).
  • the display control unit 133 determines whether or not to display the rescue dog's movement route on the map (step S8). When the display control unit 133 determines to display the travel route of the rescue dog on the map (step S8: Yes), the display control unit 133 outputs a specific instruction to the specifying unit 134.
  • the specifying unit 134 refers to the disaster area storage unit 123, the search target storage unit 124, and the rescue dog information storage unit 125, and the disaster area, the position information of the terminal 10 to be searched, and the rescue Based on the position information of the dog terminal 40, the rescue route of the rescue dog is specified.
  • the specifying unit 134 outputs the specified moving route of the rescue dog to the display control unit 133.
  • the display control unit 133 displays the input travel route of the rescue dog on the map (step S9), and proceeds to step S10.
  • step S8 determines whether to end the search. (Step S10). If the display control unit 133 determines not to end the search (step S10: No), the display control unit 133 returns to step S2. If the display control unit 133 determines to end the search (step S10: affirmative), the display support process ends. Thereby, the server 100 can assist so that the search can be performed efficiently. That is, when continuing the search support process, the server 100 can present the positions of the search target terminal 10 and the rescue dog terminal 40 in real time. The server 100 can also change the display in real time for the search range corresponding to the search target terminal 10.
  • the search range corresponding to the terminal 10 is reduced, but the present invention is not limited to this.
  • the search range of the search target terminal 10 is displayed on a map and the position of the rescue dog terminal 40 mounted on the rescue dog passes the search range, the area of the search range is reduced according to the passed position. You may make it do.
  • the position of the rescue dog terminal 40 approaches the circular search range the area of the search range is reduced in a crescent shape. Thereby, information can be presented so that an unsearched range can be easily understood.
  • the terminal 10 for which the search by the rescue dog has been completed is displayed on the map as it is, but the present invention is not limited to this.
  • the display of the position of the search target wireless terminal is changed.
  • the predetermined time can be set to 5 minutes, for example, and the predetermined distance can be set to 5 m, for example. That is, when it is estimated that the rescue dog has found the victim, for example, the display color indicating the terminal 10 is changed, or a predetermined symbol such as an exclamation mark “!” Is displayed.
  • the terminal 10 for which the search by the rescue dog has been completed is continuously displayed on the map as it is, but the present invention is not limited to this.
  • the position of the terminal 10 to be searched is not displayed.
  • the search target terminal 10 that is not displayed is stored by setting the item “searched” in the search target storage unit 124 to “Y”.
  • the predetermined distance can be set to 5 m, for example, and the predetermined time can be set to 5 minutes, for example.
  • the rescue dog searches for the position of the terminal 10 to be searched but cannot find the victim
  • the position of the terminal 10 is not displayed in order to indicate that there is no victim at that position. . Thereby, it can suppress searching for the position of the searched terminal 10 again.
  • the rescue dog has searched, but the present invention is not limited to this.
  • the search can be supported in the same manner.
  • the server 100 acquires the positions and reception strengths of the plurality of terminals 10 based on the received radio waves from the plurality of terminals 10. Moreover, the server 100 extracts the terminal 10 corresponding to the position included in the disaster area among the acquired positions as the search target terminal 10. In addition, the server 100 displays a search range at a position corresponding to the extracted terminal 10 with an enhancement degree corresponding to the corresponding reception intensity. As a result, the server 100 can support efficient search.
  • the server 100 displays the search range wider or red as the reception strength increases. As a result, the server 100 can highlight and display the search range.
  • the server 100 extracts the terminal 10 corresponding to the position included in the disaster area as the search target terminal 10. Further, the server 100 acquires the position of the rescue dog terminal 40 mounted on the rescue dog. Further, the server 100 displays the position of the rescue dog terminal 40 mounted on the acquired rescue dog and the position of the search target terminal 10 on the map, and was observed at one or more locations on the map. Displays data indicating the wind direction. As a result, the server 100 can support efficient search.
  • the position of the rescue dog terminal 40 mounted on the rescue dog is displayed on the map by characters or marks corresponding to the dog.
  • the server 100 can display so that the position of the rescue dog can be determined at a glance.
  • the disaster area is specified according to the difference between the captured image at a certain position captured by the drone 20 and the past captured image at the corresponding position. As a result, the server 100 can identify the disaster area.
  • the position of one or more terminals 10 among the positions of the plurality of terminals 10 is a position detected by the drone 20.
  • the server 100 can detect the position of the terminal 10 in real time.
  • the server 100 displays the search range of the search target terminal 10 on a map, and when the position of the rescue dog terminal 40 mounted on the rescue dog passes the search range, the search range according to the passed position. Reduce the area. As a result, the server 100 can efficiently manage the search range of the rescue dog.
  • the server 100 acquires the positions of the rescue dog terminals 40 mounted on a plurality of rescue dogs. In addition, the server 100 specifies a movement route for each of the rescue dogs so that the area of the search range is minimized. In addition, the server 100 displays each identified travel route on the map in association with each of a plurality of rescue dogs. As a result, the server 100 can efficiently manage the travel route of the rescue dog.
  • the server 100 specifies the movement route of each of the rescue dogs based on the data indicating the wind direction. As a result, the server 100 can efficiently manage the travel route of the rescue dog.
  • the server 100 also displays the position of the search target terminal 10 when the position of the search target terminal 10 and the position of the rescue dog terminal 40 mounted on the rescue dog are within a predetermined distance for a predetermined time or more. To change. As a result, the server 100 can notify the discovery of the victim.
  • the server 100 determines the search target terminal 10 when the position of the search target terminal 10 and the position of the rescue dog terminal 40 mounted on the rescue dog are within a predetermined distance for less than a predetermined time. Hide the position. As a result, the server 100 can more clearly display the position of the unsearched search target terminal 10.
  • each component of each part illustrated does not necessarily need to be physically configured as illustrated.
  • the specific form of distribution / integration of each unit is not limited to that shown in the figure, and all or a part thereof may be functionally or physically distributed / integrated in arbitrary units according to various loads or usage conditions. Can be configured.
  • the display control unit 133 and the specifying unit 134 may be integrated.
  • the illustrated processes are not limited to the above-described order, and may be performed at the same time as long as the processing contents do not contradict each other, or may be performed by changing the order.
  • each device may be executed entirely or arbitrarily on a CPU (or a microcomputer such as MPU or MCU (Micro Controller Unit)).
  • various processing functions may be executed in whole or in any part on a program that is analyzed and executed by a CPU (or a microcomputer such as an MPU or MCU) or on hardware based on wired logic. Needless to say, it is good.
  • FIG. 20 is a diagram illustrating an example of a computer that executes a search support program.
  • the computer 200 includes a CPU 201 that executes various arithmetic processes, an input device 202 that receives data input, and a monitor 203.
  • the computer 200 also includes a medium reading device 204 that reads a program and the like from a storage medium, an interface device 205 for connecting to various devices, and a communication device 206 for connecting to other information processing devices and the like by wire or wirelessly.
  • the computer 200 also includes a RAM 207 that temporarily stores various types of information and a hard disk device 208.
  • the devices 201 to 208 are connected to a bus 209.
  • the hard disk device 208 stores a search support program having the same functions as the processing units of the acquisition unit 131, the extraction unit 132, the display control unit 133, and the specification unit 134 shown in FIG.
  • the hard disk device 208 includes a map information storage unit 121, a captured image storage unit 122, a disaster area storage unit 123, a search target storage unit 124, a rescue dog information storage unit 125, a wind direction information storage unit 126, and a search support program.
  • Various data for realizing are stored.
  • the input device 202 receives input of various information such as operation information from the administrator of the computer 200, for example.
  • the monitor 203 displays various screens such as a display screen for the administrator of the computer 200, for example.
  • the interface device 205 is connected to, for example, a printing device.
  • the communication device 206 has, for example, the same function as the communication unit 110 shown in FIG. 3 and is connected to a network (not shown), and exchanges various types of information with other information processing devices.
  • the CPU 201 reads out each program stored in the hard disk device 208, develops it in the RAM 207, and executes it to perform various processes. Also, these programs can cause the computer 200 to function as the acquisition unit 131, the extraction unit 132, the display control unit 133, and the specification unit 134 illustrated in FIG.
  • the search support program does not necessarily need to be stored in the hard disk device 208.
  • the computer 200 may read and execute a program stored in a storage medium readable by the computer 200.
  • the storage medium readable by the computer 200 corresponds to, for example, a portable recording medium such as a CD-ROM, a DVD disk, a USB (Universal Serial Bus) memory, a semiconductor memory such as a flash memory, and a hard disk drive.
  • the search support program may be stored in a device connected to a public line, the Internet, a LAN, or the like, and the computer 200 may read and execute the search support program therefrom.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un programme, un procédé et un dispositif d'aide à la recherche qui peuvent aider à la réalisation de recherches efficaces. Le programme d'aide à la recherche amène un ordinateur (100) à exécuter un processus d'acquisition permettant d'acquérir, d'après des ondes radio reçues d'une pluralité de terminaux sans fil (10), les positions de la pluralité de terminaux sans fil ainsi que les intensités de réception. Le programme d'aide à la recherche amène l'ordinateur à exécuter un processus permettant d'extraire, à partir des positions acquises, les positions des terminaux sans fil correspondant aux positions comprises dans une région sinistrée en tant que terminaux sans fil à rechercher. Le programme d'aide à la recherche amène l'ordinateur à exécuter un processus permettant d'afficher une plage de recherche selon un degré d'importance en fonction de l'intensité de réception correspondant à la position correspondant à chaque terminal sans fil extrait.
PCT/JP2017/013843 2017-03-31 2017-03-31 Programme, procédé et dispositif d'aide à la recherche WO2018179436A1 (fr)

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JP2019508495A JP6787481B2 (ja) 2017-03-31 2017-03-31 探索支援プログラム、探索支援方法および探索支援装置

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JP6997902B1 (ja) 2021-08-02 2022-01-18 立花 純江 災害時の携帯端末
JP2023021504A (ja) * 2021-08-02 2023-02-14 立花 純江 災害時の携帯端末
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KR20230133727A (ko) * 2022-03-11 2023-09-19 (주)가시 스마트 스캐너를 장착한 3대의 드론을 사용한 위치 측위 시스템 및 방법
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