EP2039172A4 - Calcul de complexité d'image dans des systèmes de diffusion vidéo à base de paquets - Google Patents

Calcul de complexité d'image dans des systèmes de diffusion vidéo à base de paquets

Info

Publication number
EP2039172A4
EP2039172A4 EP06787390A EP06787390A EP2039172A4 EP 2039172 A4 EP2039172 A4 EP 2039172A4 EP 06787390 A EP06787390 A EP 06787390A EP 06787390 A EP06787390 A EP 06787390A EP 2039172 A4 EP2039172 A4 EP 2039172A4
Authority
EP
European Patent Office
Prior art keywords
packet based
video broadcast
based video
broadcast systems
image complexity
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.)
Ceased
Application number
EP06787390A
Other languages
German (de)
English (en)
Other versions
EP2039172A2 (fr
Inventor
Praveen A Mohandas
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.)
Microsemi Frequency and Time Corp
Original Assignee
Symmetricom 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
Priority claimed from US11/456,505 external-priority patent/US8107540B2/en
Application filed by Symmetricom Inc filed Critical Symmetricom Inc
Publication of EP2039172A2 publication Critical patent/EP2039172A2/fr
Publication of EP2039172A4 publication Critical patent/EP2039172A4/fr
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • 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
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4347—Demultiplexing of several video streams
    • 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
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/2365—Multiplexing of several video streams
    • 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
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/2365—Multiplexing of several video streams
    • H04N21/23655—Statistical multiplexing, e.g. by controlling the encoder to alter its bitrate to optimize the bandwidth utilization
    • 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
    • H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
    • H04N21/2402—Monitoring of the downstream path of the transmission network, e.g. bandwidth available
    • 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
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
EP06787390A 2006-07-10 2006-07-12 Calcul de complexité d'image dans des systèmes de diffusion vidéo à base de paquets Ceased EP2039172A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/456,505 US8107540B2 (en) 2005-07-11 2006-07-10 Image complexity computation in packet based video broadcast systems
PCT/US2006/027477 WO2008127217A2 (fr) 2006-07-10 2006-07-12 Calcul de complexité d'image dans des systèmes de diffusion vidéo à base de paquets

Publications (2)

Publication Number Publication Date
EP2039172A2 EP2039172A2 (fr) 2009-03-25
EP2039172A4 true EP2039172A4 (fr) 2011-04-13

Family

ID=39521222

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06787390A Ceased EP2039172A4 (fr) 2006-07-10 2006-07-12 Calcul de complexité d'image dans des systèmes de diffusion vidéo à base de paquets

Country Status (8)

Country Link
EP (1) EP2039172A4 (fr)
JP (1) JP2009543513A (fr)
KR (1) KR20090045882A (fr)
CN (1) CN101502112A (fr)
BR (1) BRPI0614591A2 (fr)
CA (1) CA2622548A1 (fr)
MX (1) MX2008014372A (fr)
WO (1) WO2008127217A2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2383999A1 (fr) * 2010-04-29 2011-11-02 Irdeto B.V. Contrôle d'une diffusion adaptative de contenu numérique
US8997160B2 (en) * 2010-12-06 2015-03-31 Netflix, Inc. Variable bit video streams for adaptive streaming
US9125073B2 (en) * 2012-08-03 2015-09-01 Intel Corporation Quality-aware adaptive streaming over hypertext transfer protocol using quality attributes in manifest file
EP3742739B1 (fr) * 2019-05-22 2021-04-14 Axis AB Procédé et dispositifs de codage et de diffusion en continu d'une séquence vidéo sur une pluralité de connexions réseau
CN113360094B (zh) * 2021-06-04 2022-11-01 重庆紫光华山智安科技有限公司 数据预测方法和装置、电子设备及存储介质
WO2023233631A1 (fr) * 2022-06-02 2023-12-07 日本電信電話株式会社 Dispositif d'estimation de qualité vidéo, procédé d'estimation de qualité vidéo et programme

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5018215A (en) * 1990-03-23 1991-05-21 Honeywell Inc. Knowledge and model based adaptive signal processor
US6310915B1 (en) * 1998-11-20 2001-10-30 Harmonic Inc. Video transcoder with bitstream look ahead for rate control and statistical multiplexing

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
MX2008014372A (es) 2008-11-24
KR20090045882A (ko) 2009-05-08
EP2039172A2 (fr) 2009-03-25
BRPI0614591A2 (pt) 2012-01-24
CN101502112A (zh) 2009-08-05
JP2009543513A (ja) 2009-12-03
WO2008127217A2 (fr) 2008-10-23
WO2008127217A3 (fr) 2009-04-16
CA2622548A1 (fr) 2008-01-10

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