IT1398196B1 - Controllore dinamico della velocita' di trasmissione indipendente dal gruppo di immagini - Google Patents

Controllore dinamico della velocita' di trasmissione indipendente dal gruppo di immagini

Info

Publication number
IT1398196B1
IT1398196B1 ITTO2009A000486A ITTO20090486A IT1398196B1 IT 1398196 B1 IT1398196 B1 IT 1398196B1 IT TO2009A000486 A ITTO2009A000486 A IT TO2009A000486A IT TO20090486 A ITTO20090486 A IT TO20090486A IT 1398196 B1 IT1398196 B1 IT 1398196B1
Authority
IT
Italy
Prior art keywords
images
group
transmission speed
independent transmission
dynamic controller
Prior art date
Application number
ITTO2009A000486A
Other languages
English (en)
Inventor
Emiliano Mario Piccinelli
Subarna Tripathi
Original Assignee
St Microelectronics Srl
St Microelectronics Pvt 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 St Microelectronics Srl, St Microelectronics Pvt Ltd filed Critical St Microelectronics Srl
Priority to ITTO2009A000486A priority Critical patent/IT1398196B1/it
Priority to US12/819,604 priority patent/US8913658B2/en
Publication of ITTO20090486A1 publication Critical patent/ITTO20090486A1/it
Application granted granted Critical
Publication of IT1398196B1 publication Critical patent/IT1398196B1/it
Priority to US13/827,210 priority patent/US9497464B2/en

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
    • H04N19/10—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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
    • H04N19/134—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
    • H04N19/10—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
    • H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
    • 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
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • 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
    • H04N19/162—User input
    • 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
    • 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
    • H04N19/177—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 a group of pictures [GOP]
    • 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
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Radar Systems Or Details Thereof (AREA)
ITTO2009A000486A 2009-06-25 2009-06-25 Controllore dinamico della velocita' di trasmissione indipendente dal gruppo di immagini IT1398196B1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ITTO2009A000486A IT1398196B1 (it) 2009-06-25 2009-06-25 Controllore dinamico della velocita' di trasmissione indipendente dal gruppo di immagini
US12/819,604 US8913658B2 (en) 2009-06-25 2010-06-21 GOP-independent dynamic bit-rate controller
US13/827,210 US9497464B2 (en) 2009-06-25 2013-03-14 GOP-independent dynamic bit-rate controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO2009A000486A IT1398196B1 (it) 2009-06-25 2009-06-25 Controllore dinamico della velocita' di trasmissione indipendente dal gruppo di immagini

Publications (2)

Publication Number Publication Date
ITTO20090486A1 ITTO20090486A1 (it) 2010-12-26
IT1398196B1 true IT1398196B1 (it) 2013-02-14

Family

ID=41650122

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO2009A000486A IT1398196B1 (it) 2009-06-25 2009-06-25 Controllore dinamico della velocita' di trasmissione indipendente dal gruppo di immagini

Country Status (2)

Country Link
US (2) US8913658B2 (it)
IT (1) IT1398196B1 (it)

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US9113141B2 (en) * 2010-12-09 2015-08-18 Intel Corporation Wireless channel aware adaptive video bit rate encoding
US9369723B2 (en) 2011-07-14 2016-06-14 Comcast Cable Communications, Llc Preserving image quality in temporally compressed video streams
KR101854469B1 (ko) * 2011-11-30 2018-05-04 삼성전자주식회사 오디오 컨텐츠의 비트레이트 판단장치 및 방법
WO2013082750A1 (zh) * 2011-12-06 2013-06-13 华为技术有限公司 实时转码方法及设备
US9380327B2 (en) * 2011-12-15 2016-06-28 Comcast Cable Communications, Llc System and method for synchronizing timing across multiple streams
TWI505262B (zh) 2012-05-15 2015-10-21 Dolby Int Ab 具多重子流之多通道音頻信號的有效編碼與解碼
US9549189B2 (en) * 2012-11-06 2017-01-17 Ittiam Systems (P) Ltd. Method for media rate control in a video encoding system
US9438652B2 (en) * 2013-04-15 2016-09-06 Opentv, Inc. Tiered content streaming
US20140321533A1 (en) * 2013-04-29 2014-10-30 Ati Technologies Ulc Single-path variable bit rate video compression
US10003799B2 (en) 2013-08-13 2018-06-19 Beamr Imaging Ltd Quality driven video re-encoding
US10283091B2 (en) * 2014-10-13 2019-05-07 Microsoft Technology Licensing, Llc Buffer optimization
CN104469367B (zh) * 2014-12-16 2017-11-14 北京金山云网络技术有限公司 基于丢帧和量化参数调整的视频码率控制方法
US9872028B2 (en) * 2015-06-26 2018-01-16 Intel Corporation Wireless display adaptations and optimizations based on unfiltered and regional feedback
CN106331704B (zh) * 2015-07-07 2019-10-22 杭州海康威视数字技术股份有限公司 一种视频码率控制方法及视频编码装置
CN105245880B (zh) * 2015-09-21 2018-04-13 暴风集团股份有限公司 视频文件切分方法以及分布式转码方法
CN108206954B (zh) * 2016-12-16 2020-03-06 北京金山云网络技术有限公司 一种视频编码方法及装置
CN108235016B (zh) * 2016-12-21 2019-08-23 杭州海康威视数字技术股份有限公司 一种码率控制方法及装置
CN107027030B (zh) * 2017-03-07 2018-11-09 腾讯科技（深圳）有限公司 一种码率分配方法及其设备
CN106961603B (zh) * 2017-03-07 2018-06-15 腾讯科技（深圳）有限公司 帧内编码帧码率分配方法和装置
EP3396961A1 (en) * 2017-04-24 2018-10-31 Axis AB Method and rate controller for controlling output bitrate of a video encoder
EP3396954A1 (en) 2017-04-24 2018-10-31 Axis AB Video camera and method for controlling output bitrate of a video encoder
EP3742728B1 (en) * 2019-05-24 2022-09-21 Axis AB A method and bitrate controller for controlling output bitrate of a video encoder
CN111901631B (zh) * 2020-07-30 2023-02-17 有半岛(北京)信息科技有限公司 一种直播视频的转码方法、装置、服务器和存储介质

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JP4706104B2 (ja) * 1999-04-23 2011-06-22 ソニー株式会社 画像符号化装置及びその方法
US6535251B1 (en) * 1999-10-26 2003-03-18 Sharplabs Of America, Inc. Video encoder and method for adjusting quantization step in real time
US6643327B1 (en) * 2000-05-05 2003-11-04 General Instrument Corporation Statistical multiplexer and remultiplexer that accommodates changes in structure of group of pictures
EP1329109A2 (en) * 2000-10-10 2003-07-23 Koninklijke Philips Electronics N.V. Video bitrate control method and device for digital video recording
US20030185299A1 (en) * 2001-11-30 2003-10-02 Taro Takita Program, recording medium, and image encoding apparatus and method
US7535959B2 (en) * 2003-10-16 2009-05-19 Nvidia Corporation Apparatus, system, and method for video encoder rate control
WO2006090755A1 (en) * 2005-02-23 2006-08-31 Canon Kabushiki Kaisha Image processing apparatus
KR101167523B1 (ko) * 2008-01-17 2012-07-20 노키아 코포레이션 무선 시스템에서의 적응적 멀티-레이트 코덱 비트 레이트 제어

Also Published As

Publication number Publication date
US8913658B2 (en) 2014-12-16
US9497464B2 (en) 2016-11-15
US20110142125A1 (en) 2011-06-16
ITTO20090486A1 (it) 2010-12-26
US20130202031A1 (en) 2013-08-08

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