WO2010121475A1 - Procédé de surveillance vidéo et appareil apparenté - Google Patents

Procédé de surveillance vidéo et appareil apparenté Download PDF

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Publication number
WO2010121475A1
WO2010121475A1 PCT/CN2009/075863 CN2009075863W WO2010121475A1 WO 2010121475 A1 WO2010121475 A1 WO 2010121475A1 CN 2009075863 W CN2009075863 W CN 2009075863W WO 2010121475 A1 WO2010121475 A1 WO 2010121475A1
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WO
WIPO (PCT)
Prior art keywords
media stream
alarm
time
real
disk
Prior art date
Application number
PCT/CN2009/075863
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English (en)
Chinese (zh)
Inventor
陕毅
关君
霍东风
段新平
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 WO2010121475A1 publication Critical patent/WO2010121475A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19665—Details related to the storage of video surveillance data
    • G08B13/19676—Temporary storage, e.g. cyclic memory, buffer storage on pre-alarm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations

Definitions

  • the invention belongs to the field of video surveillance, and in particular relates to a video monitoring method and device.
  • the existing video surveillance system generally captures real-time monitoring information through monitoring devices such as a camera and a cloud platform, and records all the collected real-time media streams in the storage module and plays them through a client device such as a computer.
  • monitoring devices such as a camera and a cloud platform
  • many video surveillance systems use the video-monitoring method triggered by the alarm. That is, when the system detects the alarm information or the monitoring personnel finds an abnormal situation, the alarm system is immediately activated. At the moment of the alarm, the real-time media stream is written to the disk for the client to play, query and manage.
  • This method can effectively utilize the disk storage space and reduce the workload of the storage module.
  • the real-time media stream is not saved on the disk for a period of time before the alarm time, and this information is often critical and can be investigated for the case. , judgment and analysis provide very critical clues or references, so there are still some shortcomings in this monitoring method.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a video monitoring method and apparatus for saving media space and capable of recording media streams for a period of time before an alarm time.
  • a video monitoring method comprising the following steps:
  • Step D When the alarm is released, stop writing the real-time media stream after the alarm time to the disk, and return to the step.
  • the pre-recorded cache module is provided with a cache queue, and the step B includes: writing a real-time media stream in the X period before the current moment to the cache queue, and after the buffer queue is full, returning to the queue to rewrite Into the real-time media stream.
  • step C the real-time media stream starting from the alarm time is written into the disk through the pre-recorded cache module.
  • the step D further includes: when a new alarm is triggered before the current alarm is released, waiting for all the alarms to be released before stopping the writing of the real-time media stream to the disk.
  • a video monitoring front end configured to collect and encode a real-time media stream, and send the collected and encoded real-time media stream to a pre-recording cache module and a storage module.
  • a video monitoring device comprising: a pre-recorded cache module, a storage module, a control module, a client, and a video monitoring front end as described above, wherein
  • the pre-recorded cache module is configured to dynamically write a real-time media stream in the X period before the current time, and when the alarm is triggered, write the real-time media stream starting from the alarm time to the disk;
  • the storage module is provided with a disk, and the storage module is configured to save the monitoring media stream on the disk, and forward the saved monitoring media stream to the client;
  • the control module is configured to control the monitoring media stream to be written to the disk according to the alarm trigger or release command: when the alarm is triggered, the control writes the media stream in the X period before the alarm time to the disk, and after the alarm is released, controls the alarm time The real-time media stream stops writing to disk;
  • the control module further includes a pre-recording duration setting module, and the pre-recording duration setting module is configured to set a pre-recording duration;
  • the client is configured to receive, decode, and play a monitored media stream in the storage module.
  • the pre-recorded cache module is provided with a cache queue, and the pre-recorded cache module is configured to write the real-time media stream in the X period before the current time to the cache queue, and after the cache queue is full, return to the queue header. Rewrite the media stream.
  • the pre-recorded cache module and the storage module are disposed in the same physical unit.
  • the video monitoring front end includes at least one monitoring device, and the client includes at least one The client device, the storage module includes a storage server, the disk is disposed in the storage server, and the monitoring device and the client device are connected through a network.
  • the invention has the beneficial effects that the video monitoring method and device of the invention can record the media stream after the alarm is triggered, and can also record the real-time media stream for a period of time before the alarm time, since only the monitoring media stream within the effective time is recorded. Instead of all real-time media streams being written to disk, disk space is saved and disk performance is protected; and video information before the alarm time can often record clues or information related to the case, which has important reference for case investigation and analysis. Significance, thus facilitating the work of monitoring personnel.
  • FIG. 1 is a schematic diagram of a first embodiment of a video monitoring apparatus according to the present invention.
  • FIG. 2 is a schematic diagram of a second specific implementation manner of a video monitoring apparatus according to the present invention.
  • FIG. 3 is a flow chart of a video monitoring method of the present invention.
  • FIG. 1 is a schematic diagram of a first embodiment of a video surveillance recording apparatus of the present invention, including: a video surveillance front end 10, a storage module 11, a pre-recorded cache module 12, a control module 13, and a client 14.
  • the video monitoring front end 10 includes a monitoring device and a video encoding module, and the monitoring device such as a camera, a cloud station, etc. can collect real-time video information and transmit it to a video encoding module, and the video encoding module encodes the real-time video information to form A real-time media stream, such as a transport stream (TS stream: Transpor Stream), and the like, and sends the real-time media stream to the storage module 11 and the pre-recorded cache module 12.
  • TS stream Transport stream
  • the storage module 11 is provided with a disk for storing the monitoring media stream.
  • the monitoring media stream includes the media stream in the X period before the alarm is triggered and the media stream after the alarm time.
  • the storage module 11 can monitor the device according to the instruction of the client 14.
  • the media stream is forwarded to the client 14; the storage module 11 has a cache unit, and when the alarm is triggered, the real-time media stream starting from the alarm time is written through the cache unit. Disk.
  • the pre-recording cache module 12 is configured to receive the real-time media stream from the video monitoring front end 10 and dynamically write the real-time media stream in the X period before the current time; the pre-recording cache module 12 may be provided with a buffer queue in the buffer queue. Write the real-time media stream in the X period before the current time. After the buffer queue is full, return to the queue header and rewrite the media stream.
  • the control module 1 3 is used to control the monitoring media stream to be written to the disk according to the alarm triggering and releasing command, and the alarm triggering or releasing may come from the client 14 or from the automatic alarm system.
  • the control module 13 instructs the storage module 11 to start writing the real-time media stream from the alarm triggering time to the disk, and instructs the pre-recording cache module 12 to write the media stream in the X period before the alarm time to the disk, and the alarm is released. Thereafter, the control module 13 instructs the storage module 11 to stop writing the real-time media stream to the disk.
  • the control module 13 further includes a pre-recording duration setting module, which can be automatically set by the system or set according to the instruction of the client 14 to set the pre-recording duration in the pre-recording buffer module 12, that is, within a certain length of time before the alarm is triggered.
  • the media stream is written to the pre-recorded cache module 12.
  • the client 14 includes a client device, such as a computer, for receiving, decoding, and playing the monitoring media stream in the storage module 11, and can also send commands to the control module 13, such as a pre-recording duration setting command, an alarm triggering or releasing the command, and the like. .
  • both the storage module 11 and the pre-recorded cache module 12 can receive real-time media streams from the video control front end 10, in order to simplify the overall structure of the video monitoring device, both can be disposed in the same physical unit.
  • FIG. 2 is a schematic diagram of a second embodiment of a video surveillance recording device of the present invention, similar to FIG.
  • the pre-recorded cache module 12 when the alarm is triggered, replaces the storage module 11 to write the media stream starting from the alarm time to the disk.
  • the storage module 11 does not need to be specifically set for the alarm time. Subsequent media streams are written to the disk's cache space, thus simplifying the device. If the pre-recorded cache module 12 has a cache queue, when the alarm is triggered, the cache queue is
  • the media stream in the X period is written to the disk, and the real-time media stream starting from the alarm time is still written to the disk through the cache queue.
  • FIG. 3 is a flowchart of a video surveillance recording method according to the present invention, and the specific steps are as follows: Step S100: Set the pre-recording duration X.
  • Step S101 Dynamically write the real-time media stream in the X period before the current time in the pre-recorded cache module.
  • Step S102 The alarm is triggered, and can be started by the automatic alarm system or the client.
  • Step S103 Write the monitoring media stream to the disk.
  • the control module In the embodiment shown in Figure 1, the control module
  • control module 11 writes the real-time media stream starting from the alarm time to the disk, and instructs the pre-recorded cache module 12 to write the media stream in the X period before the alarm time to the disk; in the embodiment shown in FIG. 2
  • the control module 13 instructs the pre-recorded cache module 12 to write the real-time media stream starting from the alarm time to the disk, and writes the media stream in the X period before the alarm time to the disk.
  • Step S104 It is judged whether all the alarms have been canceled, and if yes, the process goes to step S106, otherwise, the process goes to step S105 to wait for the alarm to be released.
  • Step S105 If all the alarms have not been released, wait for all the alarms to be released.
  • the control module 13 instructs the control module 11 to stop writing the real-time media stream after the alarm time to the disk.
  • the control module 13 instructs the pre-recorded cache module 12 to stop. The real-time media stream after the alarm time is written to the disk, and the process returns to step S101 to perform the loop.
  • steps S104 and S105 are: when a new alarm is triggered before the current alarm is released, the real-time media stream is stopped from being written to the disk after waiting for all alarms to be released.
  • the recording is not interrupted, but the end time is postponed, and the monitoring media stream between the first alarm and the last alarm is continuously written to the disk for monitoring personnel. Get complete information.
  • the pre-recording duration can be changed by the pre-recording duration setting module in the control module 13. If the pre-recording duration is 0, you do not need to write the media stream before the alarm time to the disk, and directly write the media stream starting from the alarm time to the disk.
  • the video monitoring front end 10 in the video monitoring device of the present invention may include multiple monitoring devices disposed at different positions, angles or distances, which can expand the monitoring range and enhance the monitoring strength; the client 14 can include multiple client devices, and the storage module There is a storage server in which the disk is located. These monitoring devices and customer devices are connected through a network, each monitoring device and customer setting The backup can be used as a network element, which is convenient for users to remotely monitor through designated monitoring devices.
  • all the real-time media streams do not need to be stored in the disk, thereby saving disk space, and protecting the disk performance by reducing the number of read and write times of the disk, thereby improving the working efficiency;
  • the method and device not only record the real-time media stream after the alarm is triggered, but also record the real-time media stream for a period of time before the alarm is triggered.
  • the video information during this period can often capture the key clues or information before the alarm, and investigate the case. And analysis has important reference significance, so it is convenient for monitoring work.
  • the video monitoring method and device of the present invention can record the media stream after the alarm is triggered, and can also record the real-time media stream for a period of time before the alarm time, since only the monitoring media stream within the effective time is recorded. Instead of all real-time media streams being written to disk, disk space is saved and disk performance is protected.

Abstract

L'invention porte sur un procédé de surveillance vidéo, qui comporte les étapes suivantes : A. réglage de l'intervalle de temps de pré-enregistrement X; B. écriture dynamique du flux multimédia en temps réel à l'intérieur de l'intervalle de temps X, avant un temps courant, dans un module tampon de pré-enregistrement; C. lorsqu'une alarme est activée, écriture, sur un disque, du flux multimédia en temps réel après que l'alarme a été activée et écriture, sur le disque, du flux multimédia stocké dans le module tampon de pré-enregistrement à l'intérieur de l'intervalle de temps X, avant que l'alarme ne soit activée; D. lorsque l'alarme est annulée, arrêter l'écriture sur le disque du flux multimédia en temps réel après que l'alarme a été annulée, et retourner à l'étape B.
PCT/CN2009/075863 2009-04-20 2009-12-23 Procédé de surveillance vidéo et appareil apparenté WO2010121475A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200910106768.6 2009-04-20
CN200910106768A CN101867786A (zh) 2009-04-20 2009-04-20 一种视频监控方法及装置

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Publication Number Publication Date
WO2010121475A1 true WO2010121475A1 (fr) 2010-10-28

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Cited By (2)

* Cited by examiner, † Cited by third party
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CN110519572A (zh) * 2019-09-27 2019-11-29 北京时代凌宇科技股份有限公司 用于视频监控前端系统的运维管理设备
CN116634084A (zh) * 2023-07-03 2023-08-22 无锡德凡医疗科技有限公司 多通道视频信号处理系统及方法

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CN102148960B (zh) * 2010-02-10 2015-11-25 北京中星微电子有限公司 一种实时监控系统和实时监控过程快速回放的方法
CN102231821A (zh) * 2011-06-23 2011-11-02 深圳中兴力维技术有限公司 应用于远程视频监控系统的数据存储方法及系统
CN102857732B (zh) * 2012-05-25 2015-12-09 华为技术有限公司 一种多画面视讯会议中的画面控制方法、设备及系统
CN102938829A (zh) * 2012-10-12 2013-02-20 天津市亚安科技股份有限公司 一种实时音视频流的预录实现方法
CN103647935B (zh) * 2013-11-19 2017-01-04 长沙中联重科环卫机械有限公司 视频数据存储方法及视频监控装置
CN104683740A (zh) * 2013-11-27 2015-06-03 杭州海康威视数字技术股份有限公司 视频监控中非实时视频关联报警的方法及系统
CN104683738B (zh) * 2013-11-28 2019-05-24 杭州海康威视数字技术股份有限公司 一种存储车载dvr报警录像片段的方法
CN104301688A (zh) * 2014-10-29 2015-01-21 杭州凯达电力建设有限公司 一种声音监测方法及系统
CN105338279B (zh) * 2015-09-28 2018-12-28 深圳市豪恩安全科技有限公司 一种视频预录与报警系统联动的控制方法
CN106993153B (zh) * 2016-01-21 2019-03-22 杭州海康威视数字技术股份有限公司 一种视频补录方法和装置
CN107093436B (zh) * 2017-03-10 2020-02-04 青岛海信移动通信技术股份有限公司 预录的音视频数据的存储方法及装置、移动终端
CN110069659A (zh) * 2019-04-23 2019-07-30 上海天诚比集科技有限公司 基于循环队列的告警事件视频图片保存方法
CN111866444A (zh) * 2019-04-29 2020-10-30 杭州海康威视数字技术股份有限公司 一种录像数据存储方法及装置
CN112202990B (zh) * 2020-09-14 2021-05-11 深圳市睿联技术股份有限公司 视频预录方法及摄像机、电子设备
CN112764709B (zh) * 2021-01-07 2021-09-21 北京创世云科技股份有限公司 一种声卡数据的处理方法、装置及电子设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19749182A1 (de) * 1997-11-07 1999-05-12 Tas Tech Anlagen Service Gmbh Vorrichtung und Verfahren zur Video-Überwachung
CN1440621A (zh) * 2000-05-18 2003-09-03 三洋电机株式会社 记录装置
CN101106705A (zh) * 2006-07-13 2008-01-16 阿克塞斯股份公司 改进的报警前视频缓冲器
CN101212632A (zh) * 2006-12-29 2008-07-02 上海乐金广电电子有限公司 利用监视用数码录像机的随机存取光盘的警报录制方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19749182A1 (de) * 1997-11-07 1999-05-12 Tas Tech Anlagen Service Gmbh Vorrichtung und Verfahren zur Video-Überwachung
CN1440621A (zh) * 2000-05-18 2003-09-03 三洋电机株式会社 记录装置
CN101106705A (zh) * 2006-07-13 2008-01-16 阿克塞斯股份公司 改进的报警前视频缓冲器
CN101212632A (zh) * 2006-12-29 2008-07-02 上海乐金广电电子有限公司 利用监视用数码录像机的随机存取光盘的警报录制方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110519572A (zh) * 2019-09-27 2019-11-29 北京时代凌宇科技股份有限公司 用于视频监控前端系统的运维管理设备
CN116634084A (zh) * 2023-07-03 2023-08-22 无锡德凡医疗科技有限公司 多通道视频信号处理系统及方法

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