FR3024313B1 - Codeur de video a debit variable - Google Patents

Codeur de video a debit variable

Info

Publication number
FR3024313B1
FR3024313B1 FR1457229A FR1457229A FR3024313B1 FR 3024313 B1 FR3024313 B1 FR 3024313B1 FR 1457229 A FR1457229 A FR 1457229A FR 1457229 A FR1457229 A FR 1457229A FR 3024313 B1 FR3024313 B1 FR 3024313B1
Authority
FR
France
Prior art keywords
video encoder
variable rate
rate video
variable
encoder
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
FR1457229A
Other languages
English (en)
Other versions
FR3024313A1 (fr
Inventor
Pascal Eymery
Christophe Chong-Pan
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.)
ALLEGRO DVT
Original Assignee
ALLEGRO DVT
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 ALLEGRO DVT filed Critical ALLEGRO DVT
Priority to FR1457229A priority Critical patent/FR3024313B1/fr
Priority to EP15177495.7A priority patent/EP2978219B1/fr
Priority to US14/805,152 priority patent/US10027979B2/en
Publication of FR3024313A1 publication Critical patent/FR3024313A1/fr
Application granted granted Critical
Publication of FR3024313B1 publication Critical patent/FR3024313B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
FR1457229A 2014-07-25 2014-07-25 Codeur de video a debit variable Active FR3024313B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1457229A FR3024313B1 (fr) 2014-07-25 2014-07-25 Codeur de video a debit variable
EP15177495.7A EP2978219B1 (fr) 2014-07-25 2015-07-20 Codeur vidéo à débit variable
US14/805,152 US10027979B2 (en) 2014-07-25 2015-07-21 Variable rate video encoder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1457229A FR3024313B1 (fr) 2014-07-25 2014-07-25 Codeur de video a debit variable

Publications (2)

Publication Number Publication Date
FR3024313A1 FR3024313A1 (fr) 2016-01-29
FR3024313B1 true FR3024313B1 (fr) 2017-12-08

Family

ID=52130345

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1457229A Active FR3024313B1 (fr) 2014-07-25 2014-07-25 Codeur de video a debit variable

Country Status (3)

Country Link
US (1) US10027979B2 (fr)
EP (1) EP2978219B1 (fr)
FR (1) FR3024313B1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10165272B2 (en) * 2015-01-29 2018-12-25 Arris Enterprises Llc Picture-level QP rate control performance improvements for HEVC encoding
CN107872669B (zh) * 2016-09-27 2019-05-24 腾讯科技（深圳）有限公司 视频码率处理方法和装置
US10298925B2 (en) 2017-06-22 2019-05-21 International Business Machines Corporation Multiple image storage compression tree
CN109151470B (zh) 2017-06-28 2021-03-16 腾讯科技（深圳）有限公司 编码分辨率控制方法及终端
CN110072142B (zh) * 2018-01-24 2020-06-02 腾讯科技（深圳）有限公司 视频描述生成方法、装置、视频播放方法、装置和存储介质
CN113676730B (zh) * 2021-08-12 2022-12-02 北京百度网讯科技有限公司 视频编码方法、装置、电子设备和存储介质

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5231484A (en) * 1991-11-08 1993-07-27 International Business Machines Corporation Motion video compression system with adaptive bit allocation and quantization
US5949490A (en) 1997-07-08 1999-09-07 Tektronix, Inc. Distributing video buffer rate control over a parallel compression architecture
EP1551185A1 (fr) * 2004-01-05 2005-07-06 Thomson Licensing S.A. Procédé de codage, procédé de décodage et appareil pour le codage d'une séquence d'images digitales
US20060233237A1 (en) * 2005-04-15 2006-10-19 Apple Computer, Inc. Single pass constrained constant bit-rate encoding
EP2301251A4 (fr) 2008-06-25 2012-12-26 Ericsson Telefon Ab L M Régulation de débit d'évaluation de ligne
KR101060495B1 (ko) * 2009-03-19 2011-08-30 주식회사 코아로직 인코딩 장치와 방법 및 그 인코딩 장치를 포함한 멀티미디어 장치
US8804820B2 (en) * 2011-04-21 2014-08-12 Dialogic Corporation Rate control with look-ahead for video transcoding
US9667981B2 (en) * 2012-04-11 2017-05-30 City University Of Hong Kong Rate control for content transcoding
US9350990B2 (en) * 2013-02-28 2016-05-24 Sonic Ip, Inc. Systems and methods of encoding multiple video streams with adaptive quantization for adaptive bitrate streaming
KR101450645B1 (ko) * 2013-04-26 2014-10-15 주식회사 코아로직 비디오 비트율 제어 방법 및 장치
US20140328384A1 (en) * 2013-05-02 2014-11-06 Magnum Semiconductor, Inc. Methods and apparatuses including a statistical multiplexer with global rate control
FR3024314B1 (fr) * 2014-07-25 2017-12-08 Allegro Dvt Codeur de video a faible latence

Also Published As

Publication number Publication date
US10027979B2 (en) 2018-07-17
EP2978219B1 (fr) 2021-09-08
US20160029042A1 (en) 2016-01-28
FR3024313A1 (fr) 2016-01-29
EP2978219A1 (fr) 2016-01-27

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