BR112016023955A8 - sistema e método para cálculo do parâmetro de lagrange para compressão do fluxo de exibição (dsc) - Google Patents

sistema e método para cálculo do parâmetro de lagrange para compressão do fluxo de exibição (dsc)

Info

Publication number
BR112016023955A8
BR112016023955A8 BR112016023955A BR112016023955A BR112016023955A8 BR 112016023955 A8 BR112016023955 A8 BR 112016023955A8 BR 112016023955 A BR112016023955 A BR 112016023955A BR 112016023955 A BR112016023955 A BR 112016023955A BR 112016023955 A8 BR112016023955 A8 BR 112016023955A8
Authority
BR
Brazil
Prior art keywords
dsc
calculating
lagrange parameter
stream compression
display stream
Prior art date
Application number
BR112016023955A
Other languages
English (en)
Other versions
BR112016023955B1 (pt
BR112016023955A2 (pt
Inventor
Haim JACOBSON Natan
Laxman Joshi Rajan
THIRUMALAI Vijayaraghavan
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112016023955A2 publication Critical patent/BR112016023955A2/pt
Publication of BR112016023955A8 publication Critical patent/BR112016023955A8/pt
Publication of BR112016023955B1 publication Critical patent/BR112016023955B1/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
    • H04N19/102—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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/169—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
    • H04N19/176—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 block, e.g. a macroblock
    • 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
    • H04N19/19—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 using optimisation based on Lagrange multipliers
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

sistema e método para cálculo do parâmetro de lagrange para compressão do fluxo de exibição (dsc) de acordo com certos aspectos, um aparelho para codificação de dados de vídeo inclui uma memória para armazenar os dados de vídeo e um processador. a memória inclui um buffer. o processador é ainda configurado para determinar os dados de vídeo a serem codificados. o processador é ainda configurado para determinar um parâmetro de lagrange para um modo de codificação com base, pelo menos em parte, em uma taxa de bits do modo de codificação e na totalidade do buffer.
BR112016023955-5A 2014-04-15 2015-04-14 Método para codificação de dados de vídeo, aparelho para codificar informações de vídeo e memória legível por computador BR112016023955B1 (pt)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201461979985P 2014-04-15 2014-04-15
US61/979,985 2014-04-15
US201462034080P 2014-08-06 2014-08-06
US62/034,080 2014-08-06
US14/685,453 US9866853B2 (en) 2014-04-15 2015-04-13 System and method for lagrangian parameter calculation for display stream compression (DSC)
US14/685,453 2015-04-13
PCT/US2015/025782 WO2015160826A2 (en) 2014-04-15 2015-04-14 System and method for lagrangian parameter calculation for display stream compression (dsc)

Publications (3)

Publication Number Publication Date
BR112016023955A2 BR112016023955A2 (pt) 2017-08-15
BR112016023955A8 true BR112016023955A8 (pt) 2021-07-13
BR112016023955B1 BR112016023955B1 (pt) 2023-11-21

Family

ID=54266173

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112016023955-5A BR112016023955B1 (pt) 2014-04-15 2015-04-14 Método para codificação de dados de vídeo, aparelho para codificar informações de vídeo e memória legível por computador

Country Status (10)

Country Link
US (1) US9866853B2 (pt)
EP (1) EP3132605B1 (pt)
JP (1) JP6453360B2 (pt)
KR (1) KR101975093B1 (pt)
CN (1) CN106165421B (pt)
BR (1) BR112016023955B1 (pt)
ES (1) ES2702940T3 (pt)
HU (1) HUE041490T2 (pt)
MX (1) MX358179B (pt)
WO (1) WO2015160826A2 (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI538480B (zh) * 2014-05-27 2016-06-11 敦泰電子股份有限公司 藉由偵測鄰近像素複雜度來動態調整壓縮參數的影像壓縮系統
US10432952B2 (en) * 2015-11-19 2019-10-01 Qualcomm Incorporated System and methods for fixed-point approximations in display stream compression (DSC)
US10368073B2 (en) * 2015-12-07 2019-07-30 Qualcomm Incorporated Multi-region search range for block prediction mode for display stream compression (DSC)
TWI593273B (zh) * 2016-04-07 2017-07-21 晨星半導體股份有限公司 位元率控制方法及視訊編碼裝置
US10855989B2 (en) * 2016-06-09 2020-12-01 Qualcomm Incorporated Substream multiplexing for display stream compression
US10904531B2 (en) * 2017-03-23 2021-01-26 Qualcomm Incorporated Adaptive parameters for coding of 360-degree video
US10743032B2 (en) * 2017-05-24 2020-08-11 Qualcomm Incorporated Substream multiplexing for display stream compression
CN114760473A (zh) 2021-01-08 2022-07-15 三星显示有限公司 用于执行速率失真优化的系统和方法
US11343512B1 (en) 2021-01-08 2022-05-24 Samsung Display Co., Ltd. Systems and methods for compression with constraint on maximum absolute error
KR20220113028A (ko) * 2021-02-05 2022-08-12 한국전자기술연구원 디스플레이 스트림 압축(dsc)을 위한 인코딩 시스템 및 방법

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5909513A (en) * 1995-11-09 1999-06-01 Utah State University Bit allocation for sequence image compression
EP0836784B1 (en) * 1996-05-06 2003-09-17 Koninklijke Philips Electronics N.V. Segmented video coding and decoding method and system
US7042943B2 (en) 2002-11-08 2006-05-09 Apple Computer, Inc. Method and apparatus for control of rate-distortion tradeoff by mode selection in video encoders
US7280597B2 (en) 2003-06-24 2007-10-09 Mitsubishi Electric Research Laboratories, Inc. System and method for determining coding modes, DCT types and quantizers for video coding
JP4624321B2 (ja) * 2006-08-04 2011-02-02 株式会社メガチップス トランスコーダおよび符号化画像変換方法
US8135063B2 (en) * 2006-09-08 2012-03-13 Mediatek Inc. Rate control method with frame-layer bit allocation and video encoder
ATE536048T1 (de) * 2008-06-20 2011-12-15 Dolby Lab Licensing Corp Videokomprimierung unter mehreren verzerrungsnebenbedingungen
KR101271512B1 (ko) * 2008-09-16 2013-06-05 돌비 레버러토리즈 라이쎈싱 코오포레이션 적응형 비디오 인코더 제어 방법
US10536701B2 (en) * 2011-07-01 2020-01-14 Qualcomm Incorporated Video coding using adaptive motion vector resolution
JP2013126185A (ja) * 2011-12-15 2013-06-24 Fujitsu Ltd 情報処理装置、画像送信方法及び画像送信プログラム
US9451250B2 (en) 2012-10-03 2016-09-20 Broadcom Corporation Bounded rate compression with rate control for slices

Also Published As

Publication number Publication date
US20150296210A1 (en) 2015-10-15
KR101975093B1 (ko) 2019-05-03
EP3132605B1 (en) 2018-09-26
JP2017515377A (ja) 2017-06-08
JP6453360B2 (ja) 2019-01-16
US9866853B2 (en) 2018-01-09
BR112016023955B1 (pt) 2023-11-21
EP3132605A2 (en) 2017-02-22
ES2702940T3 (es) 2019-03-06
CN106165421B (zh) 2019-07-19
WO2015160826A3 (en) 2016-05-06
HUE041490T2 (hu) 2019-05-28
KR20160145050A (ko) 2016-12-19
MX2016013404A (es) 2017-02-15
MX358179B (es) 2018-08-08
WO2015160826A2 (en) 2015-10-22
BR112016023955A2 (pt) 2017-08-15
CN106165421A (zh) 2016-11-23

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B15K Others concerning applications: alteration of classification

Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H04N 19/176 , H04N 19/19 , H04N 19/147 , H04N 19/11 , H04N 19/152

Ipc: H04N 19/11 (2014.01), H04N 19/147 (2014.01), H04N

B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 14/04/2015, OBSERVADAS AS CONDICOES LEGAIS