WO2007115462A1 - Procédé de fourniture de service de surveillance à distance et dispositif terminal vidéo - Google Patents

Procédé de fourniture de service de surveillance à distance et dispositif terminal vidéo Download PDF

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Publication number
WO2007115462A1
WO2007115462A1 PCT/CN2007/000220 CN2007000220W WO2007115462A1 WO 2007115462 A1 WO2007115462 A1 WO 2007115462A1 CN 2007000220 W CN2007000220 W CN 2007000220W WO 2007115462 A1 WO2007115462 A1 WO 2007115462A1
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WO
WIPO (PCT)
Prior art keywords
video terminal
video
information
monitoring
control module
Prior art date
Application number
PCT/CN2007/000220
Other languages
English (en)
Chinese (zh)
Inventor
Shulei Huang
Original Assignee
Huawei Technologies Co., Ltd.
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 Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2007115462A1 publication Critical patent/WO2007115462A1/fr

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Classifications

    • 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
    • H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
    • 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
    • G08B13/19654—Details concerning communication with a camera
    • G08B13/19656—Network used to communicate with a camera, e.g. WAN, LAN, Internet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers

Definitions

  • the present invention relates to video communication technologies, and in particular, to a remote monitoring service implementation method and a video terminal device. Background technique
  • Some of the mainstream video services that are rapidly developing today include video conferencing, distance learning/training, telemedicine, enterprise conferencing, video on demand and other video services. Remote monitoring of video services is a very important one.
  • the embodiment of the invention provides a method for realizing remote monitoring service between video terminals, so as to solve the problem of poor security of the existing video monitoring service;
  • the second video terminal is prompted to send the authentication information
  • the first video terminal receives the authentication information returned by the second video terminal, and after determining that the authentication information returned by the second video terminal is consistent with the authentication information set by the local end, the monitoring information collected by the local end is sent to the second The video terminal is monitored.
  • the embodiment of the invention further provides a video terminal device for realizing a remote monitoring service, so as to solve the problem that the cost of the existing dedicated monitoring system is too high.
  • a video terminal device provided by the embodiment of the invention includes: an acquisition module, a codec control module, a call control module, and a monitoring control module;
  • the call control module triggers the monitoring control module to perform monitoring and authentication when the duration of the call is reached, and the monitoring control module triggers the codec control module to send the prompt information of the input authentication information to the call initiator. ;
  • the call control module transmits the authentication information returned by the call originator according to the prompt information to the monitoring control module, and after the monitoring control module authenticates the successful call originator according to the authentication information, the acquisition module starts the collection module to collect the local monitoring information.
  • the codec control module encodes the monitoring information and sends the monitoring information to the call originator.
  • the method for implementing the remote monitoring service between the video terminals ensures reliable authentication by setting the authentication information between the video terminals, and ensures the security monitoring service between the video terminals.
  • the video terminal device is used to implement the remote monitoring method.
  • the device can be compatible with the existing network, and does not require any development of the network side device, and has strong flexibility and good scalability.
  • Figure 1 is a networking diagram of a peer-to-peer authentication monitoring service
  • FIG. 2 is a schematic diagram of an implementation process of a point-to-point remote monitoring service according to Embodiment 1;
  • FIG. 3 is a networking diagram of monitoring a terminal for multiple terminals;
  • FIG. 4 is a schematic diagram of an implementation process for implementing remote authentication of multiple terminals by establishing a multipoint video conference according to the second embodiment;
  • FIG. 5 is a schematic structural diagram of a video terminal device for implementing remote monitoring according to Embodiment 3
  • FIG. 1 is a network diagram of a peer-to-peer authentication monitoring service.
  • the video terminal A and the video terminal B are connected to each other through a video network, and the video terminal A is remotely monitored by the video terminal B.
  • the implementation flow chart of the remote monitoring service is shown in FIG. 2, and includes the following steps:
  • the monitored video terminal B to be in an automatic answering state and set authentication information on the video terminal B.
  • the authentication information may be an authentication password or a digital signature. The following takes an authentication password as an example for description;
  • the video terminal A initiates a call to the video terminal B.
  • a prompt dialog box is displayed, for example, if the answer is not answered within the set time, the call is automatically answered and the authentication mode is entered, otherwise the normal voice call state is entered;
  • 10S is only a specific embodiment, and the time threshold can be flexibly set as needed, for example, set to 15S, 8S, 5S, and the like.
  • the video terminal B prompts the video terminal A to send the authentication password, and the prompting method may be: sending an image of the input authentication password to the video terminal A;
  • the video terminal A displays the prompt information, and can simultaneously emit a prompt tone. For example, when the video terminal A receives an image from the video terminal B prompting to input the authentication password, the image is displayed to prompt the user to input the authentication password, and simultaneously Give a tone;
  • the user of the video terminal A inputs an authentication password, for example: the user of the video terminal A can Enter the authentication password in the image displayed on the LCD screen, press '#, confirm the number, press '*, modify; in step S106, after the user enters a password character on the LCD screen of the video terminal A, the video terminal A is right. This character is encrypted, and then the character is sent to the video terminal B by means of secondary dialing.
  • an authentication password for example: the user of the video terminal A can Enter the authentication password in the image displayed on the LCD screen, press '#, confirm the number, press '*, modify; in step S106, after the user enters a password character on the LCD screen of the video terminal A, the video terminal A is right. This character is encrypted, and then the character is sent to the video terminal B by means of secondary dialing.
  • the video terminal B decrypts the received character and detects it: if it is not received by '*, or '#, then Store this character in the cache (video terminal Buffer); if you receive '*, clear the last character in the video terminal Buffer; if you receive '#', then the password in the video terminal Buffer Authenticate;
  • the video terminal B performs authentication according to the authentication password. If the authentication succeeds, the next step is performed. If the authentication fails, the video terminal A sends the authentication password again according to the set number of times, for example, three times. Right, until all three authentications fail, the video terminal B automatically hangs up the current monitoring request of the video terminal A;
  • the video terminal B pre-sets the authentication password at the local end, and the video terminal B performs authentication according to whether the authentication password sent by the user and the authentication password stored by the local end are consistent.
  • the authentication password saved by the video terminal B at the local end may be If the video terminal B does not save the authentication password on the local end, the authentication cannot be performed, and the video terminal B automatically hangs up the current monitoring request of the video terminal A.
  • the video terminal B sends a signaling to the video terminal A after the authentication is passed, and the video source information currently available to the video terminal B is described in the message.
  • Video terminal A parses out the video source information from it, and then displays the information to the user in a list for the user to select.
  • the user selects a video source to be monitored from the list and inputs the video terminal A;
  • the video terminal A sends the user's selection result to the video terminal B;
  • the video terminal B collects monitoring information of the video source selected by the user, the monitoring information includes a video image, and further includes a sound signal of the video source, and the video terminal B encodes the image into a chirp stream and encodes the sound signal into an audio code. Stream, then generate a multimedia code stream containing the video code stream and the audio code stream, and send the multimedia code stream to the video terminal A;
  • the video terminal A receives the multimedia code stream, and restores the video image according to the video code stream in the multimedia code stream, and restores the sound according to the audio code stream, and monitors the image and the sound.
  • the video terminal B sends the video source information list to the video terminal A, and starts to send the corresponding video image and/or sound according to the selection result of the video terminal A;
  • the video terminal A can keep displaying the video source list of the video terminal B. If the user reselects a video source in the list, the video terminal A sends a signaling to the video terminal B, which carries the user to reselect.
  • the video terminal B switches the video source according to the information, and generates a corresponding multimedia code stream to be sent to the video terminal A, thereby implementing flexible monitoring of the video source A by multiple video sources.
  • FIG. 3 is a networking diagram of a terminal performing authentication and monitoring services on multiple terminals.
  • the service is implemented based on the establishment of a video multipoint conference.
  • the MCU Micro Controller Unit
  • the MCU is a switching control device, which is responsible for video switching, audio mixing, data processing, terminal access, media stream processing, and the like. , is the processing center of the video stream of the video system.
  • the MCU can be connected to a plurality of video terminals, and the specific number depends on different devices.
  • the video terminal connected thereto can hold a video conference, and then add other video terminals to the conference to implement communication through the MCU, and then according to the first embodiment.
  • the method monitors each monitored object separately.
  • the terminal video terminal A monitors the video terminal B, the video terminal C, and the video terminal N as an example. Before performing monitoring, the following steps are required:
  • the video terminal A summons the video terminal B, the video terminal C, and the video terminal N join the video multi-point conference;
  • the video terminal A is connected to the video terminal B, the video terminal C, and the video terminal N through the MCU. After that, the video terminal is monitored by the MCU between the video terminal B, the video terminal C, and the video terminal N. If the video terminal A monitors multiple video terminals at the same time, the MCU can combine the video images of multiple monitored terminals. It is a multi-screen image and then forwarded to the video terminal A.
  • the video terminal A and the video terminal B and C are simultaneously monitored as an example, without loss of generality. It is assumed that the video terminals B and C have been provided with an authentication password, wherein the video terminal B includes three video sources, and C only includes A video source:
  • the video terminal A calls the MCU, and then the MCU calls the video terminal B and the video terminal C. After the video terminal B and the video terminal C answer the call, the A and B, A and C are respectively connected;
  • the video terminal B and the video terminal C, the video terminal B and the video terminal C respectively pop up the answering prompt box.
  • the time limit is set, for example, if there is no answer in the 10S, the authentication mode is automatically entered; here, the 10S is only In a specific embodiment, the time threshold can be flexibly set as needed.
  • the video terminals B and C respectively send an image prompting the input of the authentication password to the video terminal A, prompting the video terminal A to send the authentication password;
  • the video terminal A receives an image of the authentication password input from the video terminal B or C, displays the image prompting the user to input the authentication password, and can simultaneously emit a prompt tone, and the user of the video terminal A can be on the LCD screen. Enter the authentication password on it;
  • the video terminal A After the user inputs a password character on the LCD screen of the video terminal A, the video terminal A encrypts the character, and then sends the character to the video terminal B or C by means of secondary dialing, and the video terminal B or C will receive the character. After the character is decrypted, it is detected: If the received message is not '*, or '#, then the character is stored in the buffer (Buffer); if '* is received, the last in the video terminal Buffer A character is cleared; if '# is received, the password in the video terminal Buffer is authenticated;
  • the video terminal B or C performs authentication according to the authentication password. If the authentication succeeds, the next step is performed. If the authentication fails, the video terminal A is again sent to the authentication password according to the set number of times, for example, three times. The authentication is performed until the authentication fails three times, and the video terminal B automatically hangs up the monitoring request of the video terminal A;
  • the video terminal ⁇ or C stores the authentication password at the same time, and the video terminal B or C performs authentication according to whether the authentication password sent by the user and the authentication password saved by the local end are consistent, and the video terminal B or C is saved in the video terminal B or C.
  • the authentication password of the local terminal can be set or updated before the monitoring is performed. If the video terminal B or C does not save the authentication password on the local end, the current monitoring request of the video terminal A is automatically hanged because the authentication cannot be performed.
  • the monitoring of the video terminal B includes steps S208 - S212:
  • the video terminal B sends a signaling to the video terminal A after the authentication is passed, and the video source information currently available to the video terminal B is described in the message.
  • the video terminal A parses the video source information of the video terminal B from the signaling, and then displays the information to the user through a list for the user to select.
  • the user selects a video source to be monitored from the list and inputs the video terminal A;
  • the video terminal A sends the user's selection result to the video terminal B;
  • S21 video terminal B collects the video image of the video source selected by the user and encodes the image into a video stream, and also collects the sound signal of the video source and encodes the sound signal into an audio stream, and then generates a video stream and an audio code. Streaming multimedia code stream, and the multimedia code stream will be sent to the video terminal A;
  • the video terminal A receives the multimedia code stream from the video terminal B, and monitors according to the restored video image and/or sound.
  • the video terminal B sends the video source information list to the video terminal A and starts to send the corresponding video image and/or sound according to the selection result of the video terminal A; during the monitoring process,
  • the video terminal A can keep displaying the video source list.
  • the video terminal A sends a signaling to the video terminal B, which carries the video source information reselected by the user.
  • the video terminal B switches the video source according to the information, and generates a corresponding multimedia code stream to be sent to the video terminal A.
  • the video terminal A can flexibly monitor multiple video sources.
  • the monitoring of the video terminal C includes steps S208, and S209':
  • the video terminal A receives the multimedia code stream sent by the video terminal C, and monitors according to the restored video image and/or sound.
  • the MCU When the video terminal B and the video terminal C simultaneously send the multimedia code stream to the video terminal A, the MCU synthesizes the multimedia code stream of the video terminal B and the video terminal C into a multi-picture multimedia code stream and sends it to the video terminal A, where the video terminal A is in the present
  • the terminal is displayed as a multi-screen image and sound, and the video terminal A performs parallel monitoring on the video terminal B and the video terminal C according to the multi-picture image and sound.
  • the method for realizing remote monitoring service between video terminals achieves reliable authentication by setting authentication information between video terminals, thereby ensuring security monitoring services between video terminals; and in the monitored video terminal When multiple video sources are connected, you can pass the video source list and implement flexible control according to user selection. Further, by establishing a multi-point video conference, one-to-many remote monitoring can be realized to meet the needs of users at different levels.
  • the embodiment of the present invention further provides a video terminal device 500, including: a codec control module 501, configured for codec processing;
  • the collecting module 502 is configured to collect monitoring information of the video source and switch the video source according to the selection result of the monitoring user.
  • the video source monitoring information includes a video image, and may further include a sound signal.
  • the display module 503 is configured to display the received monitoring information. , generally including a liquid crystal display that displays a video image and a speaker that plays a sound signal;
  • the acquisition module 502 is connected to the call control module 504 and the codec control module 501, and the codec control module 501 is simultaneously connected to the display module 503;
  • the monitoring control module 505 is respectively connected to the call control module 504, the acquisition module 502, and the codec control module 501; the call control module 504 triggers monitoring when the duration of the automatic call is reached to a set threshold.
  • the control module 505 performs monitoring and authentication, and the monitoring control module 505 triggers the codec control module 501 to send a prompt image of the input authentication information to the call originator; and the call control module 504 returns the call originator according to the prompt image.
  • the authentication information is transmitted to the monitoring control module 505.
  • the collection module 502 is started to collect the local monitoring information, and the collected monitoring information is processed by the codec control module 501. Then sent to the call originator.
  • the monitoring control module 505 includes:
  • the authentication triggering sub-module 5051 is configured to trigger the codec control module 501 to send the prompt image
  • the determining sub-module 5052 is configured to perform authentication according to the authentication information saved by the local end and the authentication information returned by the call initiator.
  • the password storage submodule 5053 is configured to save the authentication information on the local end.
  • the video terminal device further includes: a human interface module 506, and a connection password storage submodule 5053, configured to input authentication information into the password storage submodule 5053.
  • the monitoring control module 505 further includes: an information storage sub-module 5054, connected between the collection module 502 and the determination sub-module 5052, for storing monitoring information of the video source, and the determining sub-module 5052 is in the successful call originating party of the authentication. Then, the monitoring information saved in the extracted information storage sub-module 5054 is transmitted to the call control module 504, and the call control module 504 carries the monitoring information in the relevant signaling to the call originator, and then selects the monitored video source information by the call originator.
  • the notification collection module 502, the collection module 502 switches to the corresponding video source, and sends the monitoring information of the switched video source to the codec module, which is encoded by the codec module and sent to the call initiator for monitoring.
  • the codec control module 501 specifically includes:
  • a data storage submodule 5012 configured to store encoded data of the prompt image
  • the codec sub-module 5011 is configured to encode the video image and/or the sound signal and generate the multimedia code stream to send to the call originator, or decode the restored multimedia code stream into a video image and/or a sound signal, and send the data to the display module. 503.
  • the call control module 504 further includes a video multipoint conference control submodule 5041. If multiple video terminals are simultaneously monitored by the MCU, the monitoring party establishes a join multipoint conference and summons each of the "control objects" to join.
  • the above video terminal device may be a fixed device or a mobile device.
  • the video terminal device disclosed in the embodiment of the present invention is configured to implement the remote monitoring method, where The device is compatible with existing networks, does not require any development of network-side devices, and is flexible and scalable.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Telephonic Communication Services (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

L'invention concerne un procédé de fourniture de service de surveillance à distance, selon lequel lorsqu'un premier terminal vidéo surveillé est à l'état de réception, il rappelle au second terminal vidéo de transmettre l'information d'authentification si la durée d'un appel entrant en provenance du second terminal vidéo atteint un seuil défini et selon lequel, le premier terminal vidéo reçoit l'information d'authentification renvoyée par le second terminal vidéo et l'information de surveillance obtenue par le côté local est transmise au second terminal pour assurer la surveillance après qu'il a déterminé que l'information d'authentification renvoyée par le second terminal vidéo est identique à celle configurée par le côté local. L'invention concerne en outre un dispositif terminal vidéo qui comprend un module de gestion de surveillance assurant la mise en oeuvre du procédé de surveillance à distance.
PCT/CN2007/000220 2006-04-11 2007-01-19 Procédé de fourniture de service de surveillance à distance et dispositif terminal vidéo WO2007115462A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610066759.5 2006-04-11
CN 200610066759 CN101056384B (zh) 2006-04-11 2006-04-11 远程监控业务实现方法及视讯终端设备

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CN102325309B (zh) * 2011-09-16 2013-11-13 国家电网公司 可视化倒闸操作管理方法
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CN108574655B (zh) * 2017-03-07 2020-07-24 视联动力信息技术股份有限公司 一种会议监播方法和装置
CN109302411B (zh) * 2018-11-06 2021-08-27 苏州科达科技股份有限公司 视频会议认证系统、方法、装置及存储介质
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CN101056384B (zh) 2011-06-15

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