GB2552376B - Method and device for efficiently generating, based on a video flow, a plurality of video streams required by modules of a video surveillance system - Google Patents

Method and device for efficiently generating, based on a video flow, a plurality of video streams required by modules of a video surveillance system Download PDF

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Publication number
GB2552376B
GB2552376B GB201612727A GB201612727A GB2552376B GB 2552376 B GB2552376 B GB 2552376B GB 201612727 A GB201612727 A GB 201612727A GB 201612727 A GB201612727 A GB 201612727A GB 2552376 B GB2552376 B GB 2552376B
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United Kingdom
Prior art keywords
video
modules
surveillance system
efficiently generating
flow
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
GB201612727A
Other versions
GB2552376A (en
GB201612727D0 (en
Inventor
Sevin Julien
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to GB201612727A priority Critical patent/GB2552376B/en
Publication of GB201612727D0 publication Critical patent/GB201612727D0/en
Publication of GB2552376A publication Critical patent/GB2552376A/en
Application granted granted Critical
Publication of GB2552376B publication Critical patent/GB2552376B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/127—Prioritisation of hardware or computational resources
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234363—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the spatial resolution, e.g. for clients with a lower screen resolution
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234381—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the temporal resolution, e.g. decreasing the frame rate by frame skipping
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/23439—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements for generating different versions
    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/637—Control signals issued by the client directed to the server or network components
    • H04N21/6377—Control signals issued by the client directed to the server or network components directed to server
    • H04N21/6379—Control signals issued by the client directed to the server or network components directed to server directed to encoder, e.g. for requesting a lower encoding rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
GB201612727A 2016-07-22 2016-07-22 Method and device for efficiently generating, based on a video flow, a plurality of video streams required by modules of a video surveillance system Active GB2552376B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB201612727A GB2552376B (en) 2016-07-22 2016-07-22 Method and device for efficiently generating, based on a video flow, a plurality of video streams required by modules of a video surveillance system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201612727A GB2552376B (en) 2016-07-22 2016-07-22 Method and device for efficiently generating, based on a video flow, a plurality of video streams required by modules of a video surveillance system

Publications (3)

Publication Number Publication Date
GB201612727D0 GB201612727D0 (en) 2016-09-07
GB2552376A GB2552376A (en) 2018-01-24
GB2552376B true GB2552376B (en) 2020-01-01

Family

ID=56894539

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201612727A Active GB2552376B (en) 2016-07-22 2016-07-22 Method and device for efficiently generating, based on a video flow, a plurality of video streams required by modules of a video surveillance system

Country Status (1)

Country Link
GB (1) GB2552376B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3742739B1 (en) * 2019-05-22 2021-04-14 Axis AB Method and devices for encoding and streaming a video sequence over a plurality of network connections
CN113992980B (en) * 2020-07-09 2023-05-26 杭州海康威视数字技术股份有限公司 Method, device and equipment for generating attack code stream
EP3985974B1 (en) * 2020-10-13 2023-05-10 Axis AB An image processing device, a camera and a method for encoding a sequence of video images

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120314127A1 (en) * 2011-06-09 2012-12-13 Inayat Syed Provisioning network resources responsive to video requirements of user equipment nodes

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120314127A1 (en) * 2011-06-09 2012-12-13 Inayat Syed Provisioning network resources responsive to video requirements of user equipment nodes

Also Published As

Publication number Publication date
GB2552376A (en) 2018-01-24
GB201612727D0 (en) 2016-09-07

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