BRPI0608231A2 - codificação aperfeiçoada de dados multimìdia - Google Patents

codificação aperfeiçoada de dados multimìdia

Info

Publication number
BRPI0608231A2
BRPI0608231A2 BRPI0608231-9A BRPI0608231A BRPI0608231A2 BR PI0608231 A2 BRPI0608231 A2 BR PI0608231A2 BR PI0608231 A BRPI0608231 A BR PI0608231A BR PI0608231 A2 BRPI0608231 A2 BR PI0608231A2
Authority
BR
Brazil
Prior art keywords
multimedia data
improved encoding
encoding
methods
improved
Prior art date
Application number
BRPI0608231-9A
Other languages
English (en)
Inventor
Peisong Chen
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 BRPI0608231A2 publication Critical patent/BRPI0608231A2/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
    • H04N19/105—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
    • H04N19/189—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
    • H04N19/10—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
    • 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
    • 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
    • H04N19/169—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
    • H04N19/50—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
    • 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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

CODIFICAçãO APERFEIçOADA DE DADOS DE MULTIMìDIA. Métodos e equipamentos são descritos para codificar dados de multimídia como dados de vídeo. Em algumas modalidades, tais métodos e equipamentos determinam um parâmetro de quantização apropriado a ser utilizado para codificar de forma eficaz, tais dados de multimídia.
BRPI0608231-9A 2005-03-10 2006-03-10 codificação aperfeiçoada de dados multimìdia BRPI0608231A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US66087405P 2005-03-10 2005-03-10
PCT/US2006/008770 WO2006099229A1 (en) 2005-03-10 2006-03-10 Improved encoding of multimedia data

Publications (1)

Publication Number Publication Date
BRPI0608231A2 true BRPI0608231A2 (pt) 2009-11-24

Family

ID=36642963

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0608231-9A BRPI0608231A2 (pt) 2005-03-10 2006-03-10 codificação aperfeiçoada de dados multimìdia

Country Status (16)

Country Link
US (1) US8548055B2 (pt)
EP (2) EP2453653A3 (pt)
JP (1) JP5048645B2 (pt)
KR (1) KR100933119B1 (pt)
CN (1) CN101171842B (pt)
AR (1) AR053164A1 (pt)
AU (1) AU2006223197C1 (pt)
BR (1) BRPI0608231A2 (pt)
CA (1) CA2600455A1 (pt)
IL (1) IL185826A0 (pt)
MX (1) MX2007011098A (pt)
NO (1) NO20075132L (pt)
RU (2) RU2345503C1 (pt)
TW (1) TW200711479A (pt)
UA (1) UA87901C2 (pt)
WO (1) WO2006099229A1 (pt)

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US8548055B2 (en) 2005-03-10 2013-10-01 Qualcomm Incorporated Encoding of multimedia data
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EP3107292B1 (en) 2007-03-20 2018-08-15 Fujitsu Limited Video encoding method and apparatus, and video decoding apparatus
JP4842899B2 (ja) * 2007-08-15 2011-12-21 Ｋｄｄｉ株式会社 動画像符号化装置、動画像符号化方法およびプログラム
US8542730B2 (en) 2008-02-22 2013-09-24 Qualcomm, Incorporated Fast macroblock delta QP decision
US8588297B2 (en) * 2009-12-23 2013-11-19 Oracle America, Inc. Quantization parameter prediction
CN101888550A (zh) * 2010-06-28 2010-11-17 中兴通讯股份有限公司 一种slice头信息中量化参数编码方法和装置
JP6056122B2 (ja) * 2011-01-24 2017-01-11 ソニー株式会社 画像符号化装置と画像復号装置およびその方法とプログラム
KR20130108457A (ko) * 2011-03-09 2013-10-02 닛본 덴끼 가부시끼가이샤 영상 부호화 장치, 영상 복호 장치, 영상 부호화 방법 및 영상 복호 방법
KR101522391B1 (ko) * 2011-03-10 2015-05-21 니폰덴신뎅와 가부시키가이샤 양자화 제어 장치 및 방법, 및 양자화 제어 프로그램
US10298939B2 (en) * 2011-06-22 2019-05-21 Qualcomm Incorporated Quantization in video coding
US9521410B2 (en) 2012-04-26 2016-12-13 Qualcomm Incorporated Quantization parameter (QP) coding in video coding
CN103577503A (zh) * 2012-08-10 2014-02-12 鸿富锦精密工业（深圳）有限公司 云端文件存储系统及方法
JP2019149591A (ja) * 2016-07-14 2019-09-05 シャープ株式会社 端末装置、基地局装置、通信方法、および、集積回路
CN106254868B (zh) * 2016-08-19 2019-08-27 浙江宇视科技有限公司 视频编码码率控制方法、装置及系统
US10674152B2 (en) * 2018-09-18 2020-06-02 Google Llc Efficient use of quantization parameters in machine-learning models for video coding
CN112235576B (zh) * 2020-11-16 2024-04-30 北京世纪好未来教育科技有限公司 编码方法、装置、电子设备及存储介质

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Also Published As

Publication number Publication date
US20060245496A1 (en) 2006-11-02
JP5048645B2 (ja) 2012-10-17
RU2345503C1 (ru) 2009-01-27
TW200711479A (en) 2007-03-16
EP2453653A3 (en) 2013-01-23
EP2453653A2 (en) 2012-05-16
WO2006099229A1 (en) 2006-09-21
AU2006223197C1 (en) 2009-07-30
KR100933119B1 (ko) 2009-12-21
UA87901C2 (ru) 2009-08-25
MX2007011098A (es) 2007-11-22
RU2008144373A (ru) 2010-05-20
AR053164A1 (es) 2007-04-25
EP1856916A1 (en) 2007-11-21
JP2008533855A (ja) 2008-08-21
NO20075132L (no) 2007-12-10
US8548055B2 (en) 2013-10-01
CN101171842A (zh) 2008-04-30
AU2006223197A1 (en) 2006-09-21
CN101171842B (zh) 2010-09-01
AU2006223197B2 (en) 2009-03-12
IL185826A0 (en) 2008-01-06
KR20070110533A (ko) 2007-11-19
CA2600455A1 (en) 2006-09-21

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Legal Events

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

Free format text: REFERENTE A 6A 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: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2161 DE 05/06/2012.

B15K Others concerning applications: alteration of classification

Free format text: PROCEDIMENTO AUTOMATICO DE RECLASSIFICACAO. A CLASSIFICACAO IPC ANTERIOR ERA H04N 7/26.

Ipc: H04N 19/19 (2014.01), H04N 19/103 (2014.01), H04N

Ipc: H04N 19/19 (2014.01), H04N 19/103 (2014.01), H04N