WO2014206123A1 - Procédé de détection de secousse, système, et support de stockage informatique - Google Patents

Procédé de détection de secousse, système, et support de stockage informatique Download PDF

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Publication number
WO2014206123A1
WO2014206123A1 PCT/CN2014/074392 CN2014074392W WO2014206123A1 WO 2014206123 A1 WO2014206123 A1 WO 2014206123A1 CN 2014074392 W CN2014074392 W CN 2014074392W WO 2014206123 A1 WO2014206123 A1 WO 2014206123A1
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WO
WIPO (PCT)
Prior art keywords
camera
jitter
building
video data
client
Prior art date
Application number
PCT/CN2014/074392
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English (en)
Chinese (zh)
Inventor
权佳成
熊壮
熊培杰
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2014206123A1 publication Critical patent/WO2014206123A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/246—Analysis of motion using feature-based methods, e.g. the tracking of corners or segments
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30181—Earth observation
    • G06T2207/30184—Infrastructure

Definitions

  • the present invention relates to the field of image processing technologies, and in particular, to a method, system, and computer storage medium for detecting jitter. Background technique
  • some buildings can cause damage or even collapse of buildings after the jitter amplitude exceeds the safety threshold of the jitter amplitude that they can withstand, causing serious damage to people's lives and property. influences.
  • the embodiments of the present invention provide:
  • a method of detecting jitter including:
  • the overall jitter information of the building is generated based on the extracted jitter information of each camera and the position information of each camera.
  • the generating the jitter information corresponding to each camera includes:
  • the offset is based on the offset to generate jitter information corresponding to each camera.
  • the method further includes: sending the generated overall jitter information to the client.
  • the method further comprises: sending the current video data of the camera and/or the pre-stored video data of the camera to the client when the amplitude of the jitter in the jitter information corresponding to the camera is greater than or equal to the first preset threshold end.
  • the method further includes: when the amplitude of the jitter in the overall jitter information is greater than or equal to the first preset threshold or the second preset threshold, to the client Send an alert prompt.
  • a system for detecting jitter including:
  • the parsing module is configured to parse the current video data of each camera of the building and/or the pre-stored video data of each camera of the building when real-time or timing or when detecting the jitter detection instruction sent by the client, to generate Jitter information corresponding to each camera;
  • the processing module is configured to generate overall jitter information of the building according to the extracted jitter information of each camera and the position information of each camera.
  • the parsing module comprises:
  • a setting unit configured to determine at least one image frame from the plurality of image frames of the video data as a reference frame, and set a reference point on the image in the reference frame;
  • a calculating unit configured to calculate an offset of the reference point according to a relationship between the corresponding points in the subsequent image frame by the reference point, and generate the jitter information corresponding to each camera based on the offset.
  • the system further comprises: a transceiver module configured to send the generated overall jitter information to the client.
  • the transceiver module is further configured to: when the amplitude of the jitter in the jitter information corresponding to the camera is greater than or equal to the first preset threshold, the current video data of the camera and/or the camera The header's pre-stored video data is sent to the client.
  • the transceiver module is further configured to send an alert prompt to the client when the jitter amplitude in the overall jitter information is greater than or equal to the first preset threshold or the second preset threshold.
  • a computer storage medium having stored therein computer executable instructions for performing the methods described above.
  • image analysis of the camera video data installed on the building is performed, and the overall jitter information of the building is determined according to the analysis result and the position information of each camera, thereby realizing effective detection of the building jitter information.
  • the user can effectively and timely grasp the first-hand data of the building jitter risk, thereby effectively preventing the risk of building damage or the resulting secondary disaster.
  • FIG. 1 is a schematic flow chart of a first embodiment of a method for detecting jitter according to the present invention
  • FIG. 2 is a schematic flow chart of a second embodiment of a method for detecting jitter according to the present invention
  • FIG. 3 is a schematic flow chart of a third embodiment of a method for detecting jitter according to the present invention.
  • FIG. 4 is a schematic structural view of a first embodiment of a system for detecting jitter according to the present invention.
  • FIG. 5 is a schematic structural diagram of an embodiment of a parsing module in a system for detecting jitter according to the present invention
  • FIG. 6 is a schematic structural diagram of a second embodiment of a system for detecting jitter according to the present invention. detailed description
  • FIG. 1 is a schematic flowchart of a first embodiment of a method for detecting jitter according to the present invention.
  • a method for detecting jitter provided by the embodiment includes:
  • Step S10 real time or timing or when detecting a jitter detection instruction sent by the client, Parsing current video data of each camera of the building and/or pre-stored video data of each camera of the building to generate jitter information corresponding to each camera;
  • a time may be preset to analyze the current video data of each camera of the building and/or the pre-stored video data of each camera of the building when the preset time is reached.
  • the preset time is a time interval, which may be every 10 seconds, or may be a time point, for example, 14:00 or 15:00, which is not limited herein.
  • the current video data of each camera of the building and/or the pre-stored video data of each camera of the building are started to be parsed.
  • the current video data of each camera of the building and/or the pre-stored video data of each camera of the building may be in real time or when detecting the jitter detection instruction sent by the client. Analyze to generate jitter information corresponding to each camera.
  • the generating the jitter information corresponding to each camera comprises: determining at least one image frame from the plurality of image frames of the video data as a reference frame, and setting a reference point on the image in the reference frame;
  • the reference point calculates an offset of the reference point in a relationship between corresponding points in a subsequent image frame, and based on the offset amount, generates jitter information corresponding to each camera.
  • the video data includes 120 frames of images
  • the first frame may be the reference frame, and the center pixel position of the image in the first frame is used as a reference point.
  • the jitter information of the camera corresponding to the video data is calculated according to the determined respective offsets and offset directions.
  • the step of generating the jitter information corresponding to each camera based on the offset includes: determining a jitter direction of the corresponding camera according to a direction of the offset of the reference point, and determining a corresponding camera according to the offset of the reference point The amplitude and/or frequency of the jitter.
  • the jitter information includes a jitter direction and a jitter amplitude.
  • the jitter information is further included. Includes the jitter frequency.
  • the reference point is set at the image center pixel position in the reference frame.
  • Step S20 generating overall jitter information of the building according to the extracted jitter information corresponding to each camera and the position information of each camera.
  • the overall jitter information of the building is generated by data fitting according to the amplitude of the jitter in the jitter information corresponding to the camera and the position information of the camera.
  • the overall jitter information of the building includes: jitter amplitude, jitter direction, jitter frequency, jitter center, etc.; the position information of each camera is the position of each camera on the building.
  • the method further comprises the steps of: sending the generated overall jitter information to the client after the step S20.
  • FIG. 2 is a schematic flowchart of a second embodiment of the method for detecting jitter according to the present invention.
  • Step S30 corresponding to a camera.
  • the amplitude of the jitter in the jitter information is greater than or equal to the first preset threshold, the current video data of the camera and/or the pre-stored video data of the camera are sent to the client.
  • FIG. 3 is a schematic flowchart of a third embodiment of the method for detecting jitter according to the present invention.
  • Step S40 in the whole When the amplitude of the jitter in the jitter information is greater than or equal to the first preset threshold or the second preset threshold, an alert prompt is sent to the client.
  • an alert prompt is sent to the client.
  • the first preset value is 50 and the second preset value is 100. That is, when the amplitude of the jitter is greater than or equal to 50 or greater than or equal to 100, it indicates that the jitter at this time has a certain damage to the building, and an early warning prompt is sent to prompt the user to prevent the building.
  • the warning prompt the user can easily grasp the critical situation of the jitter risk of the building, and perform preventive work according to the critical situation of the jitter risk, which can effectively reduce the risk of damage to the building or effectively avoid the resulting Secondary disaster.
  • the system 1 for detecting jitter provided by the embodiment includes:
  • the parsing module 10 is configured to parse the current video data of each camera of the building and/or the pre-stored video data of each camera of the building in real time or timing or when detecting the jitter detection instruction sent by the client, Generating jitter information corresponding to each camera;
  • the respective cameras are mounted on the building.
  • the time may be preset.
  • the parsing module 10 parses the current video data of each camera of the building and/or the pre-stored video data of each camera of the building.
  • the preset time is a time interval, which may be every 10 seconds, or may be a time point, for example, 14:00 or 15:00, which is not limited herein.
  • the parsing module 10 begins parsing the current video data of the various cameras of the building and/or the pre-stored video data of the respective cameras of the building.
  • the parsing module 10 may also be the current video data of each camera of the building and/or each camera of the building in real time or when detecting the jitter detection instruction sent by the client.
  • the pre-stored video data is parsed to generate jitter information corresponding to each camera.
  • FIG. 5 is a schematic structural diagram of an embodiment of a parsing module in a system for detecting jitter according to the present invention.
  • the parsing module 10 includes:
  • the setting unit 110 determines at least one image frame from the plurality of image frames of the video data as a reference frame, and sets a reference point on the image in the reference frame;
  • the calculating unit 111 calculates an offset of the reference point according to a relationship between the corresponding points in the subsequent image frames, and generates jitter information corresponding to each camera based on the offset.
  • the video data includes 120 frames of images
  • the setting unit 110 may use the first frame as the reference frame and the center pixel position of the image in the first frame as a reference point.
  • the calculating unit 111 determines, according to the coordinates of the reference point and the coordinates of the point corresponding to the reference point in the image of the frame subsequent to the first frame, the image of each frame subsequent to the first frame is offset from the image of the first frame.
  • the shifting and offset directions calculate the jitter information of the camera corresponding to the video data according to the determined respective offsets and offset directions.
  • the generating, by the parsing module 10, the jitter information corresponding to each camera according to the offset includes: determining a shaking direction of the corresponding camera according to the direction of the offset of the reference point, and determining according to the offset of the reference point The amplitude and/or frequency of the corresponding camera shake.
  • the jitter information includes a jitter direction and a jitter amplitude.
  • the jitter information also includes a jitter frequency.
  • the reference point is set at the image center pixel position in the reference frame.
  • the processing module 20 is configured to: according to the extracted jitter information of each camera and each photo Like the position information of the head, the overall jitter information of the building is generated.
  • the processing module 20 generates overall jitter information of the building by data fitting according to the amplitude of the jitter in the jitter information corresponding to the camera and the position information of the camera.
  • the overall jitter information of the building includes: jitter amplitude, jitter direction, jitter frequency, jitter center, etc.; the position information of each camera is the position of each camera on the building.
  • the system 1 further includes: the transceiver module 30 sends the generated overall jitter information to the client.
  • FIG. 6 is a schematic structural diagram of a second embodiment of the system for detecting jitter according to the present invention. Referring to FIG.
  • the transceiver module 30 is further configured.
  • the current video data of the camera and/or the pre-stored video data of the camera are sent to the client when the amplitude of the jitter in the jitter information corresponding to the camera is greater than or equal to the first preset threshold.
  • the parsing module 10 when parsing the current video data of each camera of the building and/or the pre-stored video data of each camera of the building, if the jitter amplitude of the video data is greater than or equal to the first preset value, for example The first preset value is 50.
  • the transceiver module 30 sends the current video data of the camera and/or the pre-stored video data of the camera to the client, so as to facilitate the user. View video data with a high jitter level.
  • the transceiver module 30 is further configured to detect a jitter amplitude in the overall jitter information.
  • the warning prompt is sent to the client.
  • the transceiver module 30 sends an alert prompt to the client.
  • the first preset value is 50 and the second preset value is 100. That is, when the amplitude of the jitter is greater than or equal to 50 or greater than or equal to 100, it indicates that the jitter at this time has a certain damage to the building, and an alert prompt is sent to prompt the user to prevent the building.
  • the warning prompt the user can easily grasp the critical situation of the jitter risk of the building, and perform preventive work according to the critical situation of the jitter risk, which can effectively reduce the risk of damage to the building or effectively avoid the resulting Secondary disaster.
  • Each of the above modules or units may be implemented by a central processing unit (CPU), a digital signal processor (DSP) or a Field-Programmable Gate Array (FPGA) in the electronic device.
  • CPU central processing unit
  • DSP digital signal processor
  • FPGA Field-Programmable Gate Array
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of a hardware embodiment, a software embodiment, or an embodiment of a combination of software and hardware. Moreover, the invention can be embodied in the form of a computer program product embodied on one or more computer usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.
  • the present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (system), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or FIG.
  • These computer program instructions can be provided to a general purpose computer, a special purpose computer, an embedded processor or other programmable data processing device processor to produce a machine such that a flow or a block diagram of a flow or a block diagram or A device that has multiple functions specified in the box.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Studio Devices (AREA)
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Abstract

La présente invention concerne, dans des modes de réalisation, un procédé de détection de secousse, un système, et un support de stockage informatique. Le procédé comprend : l'analyse de données vidéo actuelles de chaque caméra sur un bâtiment et/ou des données vidéo préalablement enregistrées de chaque caméra sur le bâtiment en temps réel ou périodiquement ou lorsqu'une instruction de détection de secousse envoyée par un client est détectée, pour générer des informations de secousse correspondant à chaque caméra; et la production d'informations générales de secousse du bâtiment conformément aux informations de secousse récupérées correspondant à chaque caméra et aux informations de position de chaque caméra. Les modes de réalisation de la présente invention mettent en œuvre une détection efficace d'informations de secousse d'un bâtiment, de sorte qu'un utilisateur peut recevoir des données de premier choix concernant un danger de secousse du bâtiment, efficacement et à temps, de façon à prévenir efficacement des risques de dommage du bâtiment ou des sinistres secondaires causés par celui-ci.
PCT/CN2014/074392 2013-06-26 2014-03-31 Procédé de détection de secousse, système, et support de stockage informatique WO2014206123A1 (fr)

Applications Claiming Priority (2)

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CN201310260169.6 2013-06-26
CN201310260169.6A CN104253934A (zh) 2013-06-26 2013-06-26 检测抖动的方法及系统

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CN105067245B (zh) * 2015-08-11 2018-01-12 招商局重庆交通科研设计院有限公司 桥梁受拉件振动频率测量方法和系统
CN108270964A (zh) * 2017-12-24 2018-07-10 湛江正信科技服务有限公司 拍照防抖的方法、装置、移动终端及存储介质
CN111372000B (zh) * 2020-03-17 2021-08-17 Oppo广东移动通信有限公司 视频防抖方法和装置、电子设备及计算机可读存储介质
CN113049082B (zh) * 2021-02-08 2022-03-08 杭州富加镓业科技有限公司 一种籽晶杆抖动检测装置的检测方法及晶体生长方法

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JP2000275094A (ja) * 1999-03-25 2000-10-06 Hitachi Zosen Corp 振動状態計測方法およびその装置
JP2006071517A (ja) * 2004-09-03 2006-03-16 Satoshi Fujita 移動・振動計測装置
US20100097474A1 (en) * 2008-10-17 2010-04-22 Hao-Ting Zhao Smoke detecting method and system

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JP4179279B2 (ja) * 2004-12-28 2008-11-12 セイコーエプソン株式会社 撮像装置並びにこれを備えた携帯機器及び携帯電話機
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JP2000275094A (ja) * 1999-03-25 2000-10-06 Hitachi Zosen Corp 振動状態計測方法およびその装置
JP2006071517A (ja) * 2004-09-03 2006-03-16 Satoshi Fujita 移動・振動計測装置
US20100097474A1 (en) * 2008-10-17 2010-04-22 Hao-Ting Zhao Smoke detecting method and system

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