BRPI0717322A2 - Métodos e aparelho para codificação de primeira passagem eficiente um codificador de múltiplas passagens - Google Patents

Métodos e aparelho para codificação de primeira passagem eficiente um codificador de múltiplas passagens

Info

Publication number
BRPI0717322A2
BRPI0717322A2 BRPI0717322-9A2A BRPI0717322A BRPI0717322A2 BR PI0717322 A2 BRPI0717322 A2 BR PI0717322A2 BR PI0717322 A BRPI0717322 A BR PI0717322A BR PI0717322 A2 BRPI0717322 A2 BR PI0717322A2
Authority
BR
Brazil
Prior art keywords
efficient
coding methods
passage encoder
encoder
passage
Prior art date
Application number
BRPI0717322-9A2A
Other languages
English (en)
Inventor
Gokce Dane
Xiaoan Lu
Cristina Gomila
Original Assignee
Thomson Licensing
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 Thomson Licensing filed Critical Thomson Licensing
Publication of BRPI0717322A2 publication Critical patent/BRPI0717322A2/pt

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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • H04N19/198—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters including smoothing of a sequence of encoding parameters, e.g. by averaging, by choice of the maximum, minimum or median value
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at 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
    • H04N19/169—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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • H04N19/194—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive involving only two passes
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
    • 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
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BRPI0717322-9A2A 2006-10-25 2007-10-22 Métodos e aparelho para codificação de primeira passagem eficiente um codificador de múltiplas passagens BRPI0717322A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US86277806P 2006-10-25 2006-10-25
PCT/US2007/022422 WO2008051517A2 (en) 2006-10-25 2007-10-22 Methods and apparatus for efficient first-pass encoding in a multi-pass encoder

Publications (1)

Publication Number Publication Date
BRPI0717322A2 true BRPI0717322A2 (pt) 2015-02-10

Family

ID=39279027

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0717322-9A2A BRPI0717322A2 (pt) 2006-10-25 2007-10-22 Métodos e aparelho para codificação de primeira passagem eficiente um codificador de múltiplas passagens

Country Status (6)

Country Link
US (1) US20100027622A1 (pt)
EP (1) EP2087739A2 (pt)
JP (1) JP5264747B2 (pt)
CN (1) CN101529912B (pt)
BR (1) BRPI0717322A2 (pt)
WO (1) WO2008051517A2 (pt)

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US8031777B2 (en) * 2005-11-18 2011-10-04 Apple Inc. Multipass video encoding and rate control using subsampling of frames
EP2200321A1 (en) * 2008-12-19 2010-06-23 Thomson Licensing Method for browsing video streams
US8867613B2 (en) 2008-12-29 2014-10-21 Thomson Licensing Method and apparatus for rate control for compression of video frames
EP2663076B1 (en) * 2009-04-20 2016-09-14 Dolby Laboratories Licensing Corporation Filter selection for video pre-processing in video applications
EP2285111A1 (en) * 2009-08-07 2011-02-16 Canon Kabushiki Kaisha Method for sending compressed data representing a digital image and corresponding device
CN105847806B (zh) * 2010-01-06 2019-05-03 Oppo广东移动通信有限公司 视频信息编码方法和视频信息编码系统
US20130077674A1 (en) * 2011-09-23 2013-03-28 Media Excel Korea Co. Ltd. Method and apparatus for encoding moving picture
EP2680219A1 (en) * 2012-06-29 2014-01-01 Thomson Licensing Method for reframing images of a video sequence, and apparatus for reframing images of a video sequence
JP2014230031A (ja) * 2013-05-21 2014-12-08 日本放送協会 画像符号化装置、及び画像符号化プログラム
US20160301941A1 (en) * 2013-09-09 2016-10-13 Nec Corporation Video-encoding device, video-encoding method, and program
CN104244004B (zh) 2014-09-30 2017-10-10 华为技术有限公司 低功耗编码方法及装置
FR3035729B1 (fr) 2015-04-28 2020-11-27 Ateme Procede d'analyse d'une sequence video et equipement pour la mise en oeuvre du procede
US9807416B2 (en) 2015-09-21 2017-10-31 Google Inc. Low-latency two-pass video coding
US11089329B1 (en) 2016-06-28 2021-08-10 Amazon Technologies, Inc Content adaptive encoding
CN109640081B (zh) * 2019-02-14 2023-07-14 深圳市网心科技有限公司 一种帧内预测方法、编码器、电子设备及可读存储介质
CN111787322B (zh) * 2020-08-04 2022-05-13 北京百度网讯科技有限公司 视频编码的方法、装置、电子设备及计算机可读存储介质
JP7656095B2 (ja) * 2021-08-16 2025-04-02 グーグル エルエルシー 共有リファレンスフレームを使用した低遅延マルチパスフレームレベルレート制御
CN118646883B (zh) * 2024-08-16 2024-11-08 浙江大华技术股份有限公司 编码方法及相关装置、设备和介质

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JPH08331556A (ja) * 1995-05-30 1996-12-13 Sony Corp 画像符号化装置および画像符号化方法
JPH09233473A (ja) * 1996-02-27 1997-09-05 Matsushita Electric Ind Co Ltd 映像符号化装置
EP0899961A1 (en) * 1997-08-25 1999-03-03 Tektronix, Inc. Pipelined processing for moving picture compression bit rate control
JP2002016912A (ja) * 2000-06-28 2002-01-18 Mitsubishi Electric Corp 動画像符号化装置
JP4203707B2 (ja) * 2001-01-31 2009-01-07 日本電気株式会社 事前解析を用いた動画像符号化装置、動画像符号化方法、及びそのプログラム。
US6961376B2 (en) * 2002-06-25 2005-11-01 General Instrument Corporation Methods and apparatus for rate control during dual pass encoding
WO2005036886A1 (en) * 2003-10-13 2005-04-21 Koninklijke Philips Electronics N.V. Two-pass video encoding
US7430329B1 (en) * 2003-11-26 2008-09-30 Vidiator Enterprises, Inc. Human visual system (HVS)-based pre-filtering of video data
AU2005267171A1 (en) * 2004-07-20 2006-02-02 Qualcomm Incorporated Method and apparatus for encoder assisted-frame rate up conversion (EA-FRUC) for video compression
WO2006048695A1 (en) * 2004-11-01 2006-05-11 Ati Technologies, Inc. Adaptive image compression method and device
GB0428155D0 (en) * 2004-12-22 2005-01-26 British Telecomm Buffer underflow prevention
US20060140273A1 (en) * 2004-12-28 2006-06-29 Siu-Wai Wu Dual-pass HDTV encoder with noise reduction

Also Published As

Publication number Publication date
JP5264747B2 (ja) 2013-08-14
EP2087739A2 (en) 2009-08-12
CN101529912B (zh) 2012-05-30
US20100027622A1 (en) 2010-02-04
JP2010507983A (ja) 2010-03-11
CN101529912A (zh) 2009-09-09
WO2008051517A3 (en) 2008-07-10
WO2008051517A2 (en) 2008-05-02

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Legal Events

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 9A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2385 DE 20-09-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.

B15K Others concerning applications: alteration of classification

Ipc: H04N 19/196 (2014.01), H04N 19/132 (2014.01), H04N