WO2022108127A1 - Procédé et système de recherche d'image cctv stockée sur la base d'informations d'espace de photographie - Google Patents

Procédé et système de recherche d'image cctv stockée sur la base d'informations d'espace de photographie Download PDF

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Publication number
WO2022108127A1
WO2022108127A1 PCT/KR2021/014503 KR2021014503W WO2022108127A1 WO 2022108127 A1 WO2022108127 A1 WO 2022108127A1 KR 2021014503 W KR2021014503 W KR 2021014503W WO 2022108127 A1 WO2022108127 A1 WO 2022108127A1
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WO
WIPO (PCT)
Prior art keywords
information
cctv
space information
photographing
image
Prior art date
Application number
PCT/KR2021/014503
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English (en)
Korean (ko)
Inventor
양창모
김동칠
Original Assignee
한국전자기술연구원
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.)
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Publication date
Application filed by 한국전자기술연구원 filed Critical 한국전자기술연구원
Publication of WO2022108127A1 publication Critical patent/WO2022108127A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
    • G06F16/73—Querying
    • 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
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
    • G06F16/71—Indexing; Data structures therefor; Storage structures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
    • G06F16/78—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
    • G06F16/787—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using geographical or spatial information, e.g. location
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H04N5/77—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Definitions

  • the present invention relates to a method and system for searching CCTV stored images based on shooting space information, and to a method and system for more quickly and accurately searching for an image desired by a user from a plurality of CCTV stored images.
  • the method of performing time-based search in the selected CCTV has a disadvantage in that it takes a lot of time to search because the user has to check the stored images one by one.
  • the method of performing object feature-based search not only varies greatly in accuracy depending on the CCTV image quality and environmental factors, but in the case of CCTV with PTZ function, even if the user's interest space could not be captured at the time There is a limit to fast image search such as performing
  • An embodiment of the present invention provides a method and system for searching CCTV stored images based on photographing space information, which allows a user to more quickly and accurately search for an image desired by a user from a plurality of CCTV stored images by using photographing space information.
  • the technical task to be achieved by the present embodiment is not limited to the technical task as described above, and other technical tasks may exist.
  • the method for retrieving a CCTV stored image based on photographing space information includes the steps of: storing an image photographed through a CCTV installed in a predetermined photographing space in a database; storing photographing space information corresponding to the photographed image in the database; searching for the captured image in the database according to a user's search request; and providing the searched image according to the search request.
  • the storing of the photographing space information corresponding to the photographed image in the database includes storing photographing space information and photographing time information corresponding to the photographed image together in the database, and according to a user's search request, the In the searching for the captured image on the database, the captured image is searched for based on the photographing space information and the photographing time information.
  • Some embodiments of the present invention further include registering information of CCTV installed in a predetermined shooting space, wherein the CCTV information includes at least one of ID information, location information, installation direction information, and PTZ information of CCTV can do.
  • the step of storing the photographing space information corresponding to the photographed image in the database includes calculating the photographing space information based on at least one of the installation location, installation direction, and PTZ information of the CCTV. and can be stored.
  • the step of storing the photographing space information corresponding to the photographed image in the database comprises storing the photographing space information as up, down, left and right GPS coordinate values or center point GPS coordinates and radius information of the captured image of CCTV. can be expressed as
  • the step of retrieving the captured image on the database according to a user's search request comprises comparing spatial information and time information input by the user with the stored shooting space information and shooting time information, The captured image may be searched based on whether the comparison result matches.
  • the CCTV storage image search system based on the photographing space information includes a communication module for receiving an image photographed from at least one CCTV installed in a predetermined photographing space, a database for storing the photographed image, and a stored It includes a memory in which a program for searching for an image is stored and a processor that executes the program stored in the memory.
  • the processor executes the program, the photographing space information and photographing time information corresponding to the photographed image are stored in the database, and the photographing space information and the photographing time information are stored in the photographing space information and the photographing time information according to a user's search request. After searching for the captured image based on the search result, the searched image is provided according to the search request.
  • the processor calculates and stores the photographing space information based on at least one of the installation location, installation direction, and PTZ information of the CCTV, and stores the calculated and stored photographing space information in a vertical, horizontal, and vertical GPS position. It can be expressed as coordinate values or center point GPS coordinates and radius information of the CCTV footage.
  • the processor compares the spatial information and time information input by the user with the stored photographing spatial information and the photographing time information, and searches for the photographed image based on whether the comparison result matches.
  • a plurality of images captured by CCTV can be searched more quickly and accurately based on spatial information, and there is an advantage in that it is possible to quickly respond to accidents and the like.
  • FIGS. 1A and 1B are flowcharts of a method for searching CCTV stored images based on photographing space information according to an embodiment of the present invention.
  • FIG. 2 is a view for explaining a CCTV storage eternal search system based on photographing space information according to an embodiment of the present invention.
  • FIGS. 1A and 1B are flowcharts of a method for searching CCTV stored images based on photographing space information according to an embodiment of the present invention.
  • FIGS. 1A and 1B may be understood to be performed by a server (hereinafter, referred to as a server) implementing the CCTV storage image search system 100 based on the shooting space information, but is not limited thereto.
  • a server hereinafter, referred to as a server
  • the server registers information of the CCTV installed in the predetermined shooting space (S110).
  • the CCTV information to be registered may be designated by a user (administrator), and may include at least one of ID information, location information, installation direction information, and PTZ information of the CCTV.
  • the CCTV information After the CCTV information is registered, it waits for the user's input (S115), and if there is a user's input, the type of the user's input is determined (S120).
  • the server ends the CCTV installation process (S125).
  • the server stores the image captured through the CCTV in the database (S130).
  • the server stores the photographing space information corresponding to the photographed image in the database (S135). At this time, the server stores the shooting time information together with the shooting space information corresponding to the captured image in the database.
  • the server may calculate and store the photographing space information based on at least one of the installation location, installation direction, and PTZ information of the CCTV.
  • the server may express the photographing space information as up, down, left and right GPS coordinate values or the center point GPS coordinates and radius information of the captured image of the CCTV.
  • the server waits for the user's input (S140).
  • the server determines the type of the user's input (S145).
  • the server ends the CCTV image search process (S150).
  • the server searches the database for images captured through CCTV (S155).
  • the server may search the database for the captured image based on the photographing space information and the photographing time information. More specifically, for a CCTV image search based on shooting space information, a user uses GPS coordinate information for time information and spatial information as a search query. Accordingly, the server compares the time information and the spatial information input from the user with the CCTV shooting time information and the shooting space information stored in the database, and searches for the captured image based on whether the comparison result matches.
  • the CCTV image search method based on the photographing space information may be used independently or may be used together with the existing object feature-based search method.
  • the server provides the searched image to the user according to the search request (S160).
  • steps S105 to S160 may be further divided into additional steps or combined into fewer steps according to an embodiment of the present invention.
  • some steps may be omitted if necessary, and the order between steps may be changed.
  • the contents described in FIGS. 1A and 1B are also applied to the CCTV storage eternal life search system 100 based on the photographing space information of FIG.
  • FIG. 2 is a view for explaining the CCTV storage eternal search system 100 based on the photographing space information according to an embodiment of the present invention.
  • the CCTV storage eternal search system 100 based on shooting space information includes a communication module 110 , a memory 120 , and a processor 130 .
  • the communication module 110 receives an image photographed from at least one CCTV installed in a predetermined photographing space.
  • the communication module 110 may include both a wired communication module and a wireless communication module.
  • the wired communication module may be implemented as a power line communication device, a telephone line communication device, a cable home (MoCA), Ethernet, IEEE1294, an integrated wired home network, and an RS-485 control device.
  • the wireless communication module may be implemented with the above-described UNB, wireless LAN (WLAN), Bluetooth, HDR WPAN, UWB, ZigBee, Impulse Radio, 60GHz WPAN, Binary-CDMA, wireless USB technology, wireless HDMI technology, and the like.
  • the memory 120 stores a database for storing captured images and a program for retrieving the stored images, and the processor 130 executes the program stored in the memory.
  • the memory 120 collectively refers to a non-volatile storage device and a volatile storage device that continuously maintain stored information even when power is not supplied.
  • the memory 120 may include a compact flash (CF) card, a secure digital (SD) card, a memory stick, a solid-state drive (SSD), and a micro SD card.
  • CF compact flash
  • SD secure digital
  • SSD solid-state drive
  • micro SD card micro SD card.
  • NAND flash memory such as cards, magnetic computer storage devices such as hard disk drives (HDD), etc., and optical disk drives such as CD-ROMs and DVD-ROMs.
  • the processor 130 stores the photographing space information and photographing time information corresponding to the photographed image in the database as the program is executed, and the image photographed based on the photographing space information and photographing time information according to a user's search request After searching for , the searched image is provided to the user according to the search request.
  • the CCTV storage eternal search method based on the photographing space information according to an embodiment of the present invention described above may be implemented as a program (or application) and stored in a medium in order to be executed in combination with a server that is hardware.
  • the above-described program is C, C++, JAVA, machine language, etc. that a processor (CPU) of the computer can read through a device interface of the computer in order for the computer to read the program and execute the methods implemented as a program
  • It may include code (Code) coded in the computer language of Such code may include functional code related to a function defining functions necessary for executing the methods, etc., and includes an execution procedure related control code necessary for the processor of the computer to execute the functions according to a predetermined procedure. can do.
  • this code may further include additional information necessary for the processor of the computer to execute the functions or code related to memory reference for which location (address address) in the internal or external memory of the computer should be referenced. have.
  • the code uses the communication module of the computer to determine how to communicate with any other computer or server remotely. It may further include a communication-related code for whether to communicate and what information or media to transmit and receive during communication.
  • the storage medium is not a medium that stores data for a short moment, such as a register, a cache, a memory, etc., but a medium that stores data semi-permanently and can be read by a device.
  • examples of the storage medium include, but are not limited to, ROM, RAM, CD-ROM, magnetic tape, floppy disk, and an optical data storage device.
  • the program may be stored in various recording media on various servers accessible by the computer or in various recording media on the computer of the user.
  • the medium may be distributed in a computer system connected to a network, and a computer-readable code may be stored in a distributed manner.
  • a software module may include random access memory (RAM), read only memory (ROM), erasable programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), flash memory, hard disk, removable disk, CD-ROM, or It may reside in any type of computer-readable recording medium well known in the art to which the present invention pertains.
  • RAM random access memory
  • ROM read only memory
  • EPROM erasable programmable ROM
  • EEPROM electrically erasable programmable ROM
  • flash memory hard disk, removable disk, CD-ROM, or It may reside in any type of computer-readable recording medium well known in the art to which the present invention pertains.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Software Systems (AREA)
  • Library & Information Science (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

L'invention concerne un procédé de recherche d'une image CCTV stockée sur la base d'informations d'espace de photographie. Le procédé comprend les étapes consistant à : stocker, dans une base de données, une image qui a été capturée par le biais d'une CCTV installée dans un certain espace de photographie ; stocker, dans la base de données, des informations d'espace de photographie correspondant à l'image capturée ; rechercher l'image capturée dans la base de données en fonction d'une demande de recherche de l'utilisateur ; et fournir l'image qui a été recherchée selon la demande de recherche. Dans l'étape de stockage, dans la base de données, des informations d'espace de photographie correspondant à l'image capturée, des informations d'espace de photographie et des informations de moment de photographie correspondant à l'image capturée sont stockées ensemble dans la base de données et, dans l'étape de recherche de l'image capturée dans la base de données selon une demande de recherche d'utilisateur, l'image capturée est recherchée sur la base des informations d'espace de photographie et des informations de moment de photographie.
PCT/KR2021/014503 2020-11-18 2021-10-18 Procédé et système de recherche d'image cctv stockée sur la base d'informations d'espace de photographie WO2022108127A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2020-0154936 2020-11-18
KR1020200154936A KR20220068038A (ko) 2020-11-18 2020-11-18 촬영 공간 정보 기반 cctv 저장 영상 검색 방법 및 시스템

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WO2022108127A1 true WO2022108127A1 (fr) 2022-05-27

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KR20240045469A (ko) 2022-09-30 2024-04-08 한국전자기술연구원 반자동 cctv 영상 검색을 위한 전자장치 및 방법

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100301674B1 (ko) * 1999-08-04 2001-11-01 윤용철 인터넷을 통한 무인 경비 시스템
KR20100136581A (ko) * 2009-06-19 2010-12-29 (주)미도정보기술 디지털 영상 모니터링 및 분석시스템
KR101412022B1 (ko) * 2013-11-11 2014-06-26 대한민국 공간 정보 기반의 cctv 정보 자동 매핑 방법, 장치 및 컴퓨터 판독 가능한 기록 매체
KR20160099932A (ko) * 2015-02-13 2016-08-23 대한민국(국민안전처 국립재난안전연구원장) 삼차원 지도 기반 폐쇄회로 텔레비전 영상 매핑 시스템
US10587844B2 (en) * 2015-02-17 2020-03-10 Innodep Co., Ltd. Image analysis system for analyzing dynamically allocated camera image, integrated control system including same, and operation method therefor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100301674B1 (ko) * 1999-08-04 2001-11-01 윤용철 인터넷을 통한 무인 경비 시스템
KR20100136581A (ko) * 2009-06-19 2010-12-29 (주)미도정보기술 디지털 영상 모니터링 및 분석시스템
KR101412022B1 (ko) * 2013-11-11 2014-06-26 대한민국 공간 정보 기반의 cctv 정보 자동 매핑 방법, 장치 및 컴퓨터 판독 가능한 기록 매체
KR20160099932A (ko) * 2015-02-13 2016-08-23 대한민국(국민안전처 국립재난안전연구원장) 삼차원 지도 기반 폐쇄회로 텔레비전 영상 매핑 시스템
US10587844B2 (en) * 2015-02-17 2020-03-10 Innodep Co., Ltd. Image analysis system for analyzing dynamically allocated camera image, integrated control system including same, and operation method therefor

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