BR0305517A - Estimativa de movimento com prognóstico de ponderação - Google Patents
Estimativa de movimento com prognóstico de ponderaçãoInfo
- Publication number
- BR0305517A BR0305517A BR0305517-5A BR0305517A BR0305517A BR 0305517 A BR0305517 A BR 0305517A BR 0305517 A BR0305517 A BR 0305517A BR 0305517 A BR0305517 A BR 0305517A
- Authority
- BR
- Brazil
- Prior art keywords
- reference image
- weighting factor
- image
- weighting
- prognosis
- Prior art date
Links
Classifications
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- 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
-
- 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
- H04N19/134—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
- H04N19/169—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
- H04N19/169—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
- H04N19/192—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
-
- 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
- H04N19/10—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
- H04N19/197—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 determination of the initial value of an encoding parameter
-
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
-
- 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
- H04N19/513—Processing of motion vectors
-
- 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
-
- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (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)
Abstract
"ESTIMATIVA DE MOVIMENTO COM PROGNóSTICO DE PONDERAçãO". Trata-se de um codificador e decodificador de vídeo que são proporcionados para codificar e decodificar dados de sinal de vídeo para um bloco de imagem e de um índice de imagem de referência particular para prognosticar o bloco de imagem, onde o codificador (300) inclui um seletor de fator de ponderação de imagem de referência (372) possuindo uma saída indicativa de um fator de ponderação correspondendo ao índice de imagem de referência particular, um multiplicador (374) em comunicação de sinal com o seletor de fator de ponderação de imagem de referência para proporcionar uma versão ponderada da imagem de referência e um estimador de movimento (380) em comunicação de sinal com o multiplicador para proporcionar vetores de movimento correspondendo à versão ponderada da imagem de referência; e o decodificador correspondente (500), uma unidade de fator de ponderação de imagem de referência (580) possuindo uma saída para determinar um fator de ponderação correspondendo ao índice de imagem de referência particular.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39587402P | 2002-07-15 | 2002-07-15 | |
US39584302P | 2002-07-15 | 2002-07-15 | |
US10/410,479 US7376186B2 (en) | 2002-07-15 | 2003-04-09 | Motion estimation with weighting prediction |
PCT/US2003/021653 WO2004008642A2 (en) | 2002-07-15 | 2003-07-11 | Motion estimation with weighting prediction |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0305517A true BR0305517A (pt) | 2004-12-28 |
Family
ID=30119144
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR0305517-5A BR0305517A (pt) | 2002-07-15 | 2003-07-11 | Estimativa de movimento com prognóstico de ponderação |
BRPI0305517-5A BRPI0305517B1 (pt) | 2002-07-15 | 2003-07-11 | Estimativa de movimento com predição de ponderação |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0305517-5A BRPI0305517B1 (pt) | 2002-07-15 | 2003-07-11 | Estimativa de movimento com predição de ponderação |
Country Status (12)
Country | Link |
---|---|
US (1) | US7376186B2 (pt) |
EP (1) | EP1540824B1 (pt) |
JP (1) | JP4533841B2 (pt) |
CN (1) | CN100450185C (pt) |
AU (1) | AU2003259110A1 (pt) |
BR (2) | BR0305517A (pt) |
DE (1) | DE60319239T2 (pt) |
ES (1) | ES2301828T3 (pt) |
MX (1) | MXPA05000672A (pt) |
MY (1) | MY137057A (pt) |
TW (1) | TWI234402B (pt) |
WO (1) | WO2004008642A2 (pt) |
Families Citing this family (55)
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WO2004032521A1 (ja) * | 2002-10-01 | 2004-04-15 | Matsushita Electric Industrial Co., Ltd. | 画像符号化装置、画像復号化装置およびこれらの方法 |
US7801217B2 (en) * | 2002-10-01 | 2010-09-21 | Thomson Licensing | Implicit weighting of reference pictures in a video encoder |
JP2004179687A (ja) * | 2002-11-22 | 2004-06-24 | Toshiba Corp | 動画像符号化/復号化方法及び装置 |
CN100403793C (zh) * | 2002-12-04 | 2008-07-16 | 汤姆森许可贸易公司 | 利用加权预测对视频交叉衰落进行编码 |
WO2005004492A2 (en) * | 2003-06-25 | 2005-01-13 | Thomson Licensing S.A. | Method and apparatus for weighted prediction estimation using a displaced frame differential |
CA2542266C (en) * | 2004-04-28 | 2012-07-17 | Matsushita Electric Industrial Co. Ltd. | Moving picture stream generation apparatus, moving picture coding apparatus, moving picture multiplexing apparatus and moving picture decoding apparatus |
US8731054B2 (en) * | 2004-05-04 | 2014-05-20 | Qualcomm Incorporated | Method and apparatus for weighted prediction in predictive frames |
KR100813958B1 (ko) * | 2004-06-07 | 2008-03-14 | 세종대학교산학협력단 | 동영상의 무손실 인코딩 및 디코딩 방법, 그 장치 |
US8462850B2 (en) * | 2004-07-02 | 2013-06-11 | Qualcomm Incorporated | Motion estimation in video compression systems |
US8284837B2 (en) | 2004-09-16 | 2012-10-09 | Thomson Licensing | Video codec with weighted prediction utilizing local brightness variation |
US20060146932A1 (en) * | 2004-12-30 | 2006-07-06 | Krit Panusopone | Method and apparatus for providing motion estimation with weight prediction |
KR100703770B1 (ko) | 2005-03-25 | 2007-04-06 | 삼성전자주식회사 | 가중 예측을 이용한 비디오 코딩 및 디코딩 방법, 이를위한 장치 |
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JP5165593B2 (ja) * | 2006-02-02 | 2013-03-21 | トムソン ライセンシング | 組合せ参照双方向予測を用いて動き推定を行う方法および装置 |
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KR101285887B1 (ko) | 2007-03-26 | 2013-07-11 | 엘지전자 주식회사 | 디지털 방송 시스템 및 데이터 처리 방법 |
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KR101285888B1 (ko) | 2007-03-30 | 2013-07-11 | 엘지전자 주식회사 | 디지털 방송 시스템 및 데이터 처리 방법 |
KR101475365B1 (ko) * | 2007-04-09 | 2014-12-23 | 가부시키가이샤 엔.티.티.도코모 | 화상 예측 부호화 장치, 화상 예측 부호화 방법, 화상 예측 부호화 프로그램, 화상 예측 복호 장치, 화상 예측 복호 방법 및 화상 예측 복호 프로그램 |
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WO2013059470A1 (en) * | 2011-10-21 | 2013-04-25 | Dolby Laboratories Licensing Corporation | Weighted predictions based on motion information |
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2003
- 2003-04-09 US US10/410,479 patent/US7376186B2/en active Active
- 2003-07-11 CN CNB038170329A patent/CN100450185C/zh not_active Expired - Lifetime
- 2003-07-11 BR BR0305517-5A patent/BR0305517A/pt active IP Right Grant
- 2003-07-11 ES ES03764471T patent/ES2301828T3/es not_active Expired - Lifetime
- 2003-07-11 BR BRPI0305517-5A patent/BRPI0305517B1/pt unknown
- 2003-07-11 JP JP2005505118A patent/JP4533841B2/ja not_active Expired - Fee Related
- 2003-07-11 MX MXPA05000672A patent/MXPA05000672A/es active IP Right Grant
- 2003-07-11 WO PCT/US2003/021653 patent/WO2004008642A2/en active IP Right Grant
- 2003-07-11 AU AU2003259110A patent/AU2003259110A1/en not_active Abandoned
- 2003-07-11 EP EP03764471A patent/EP1540824B1/en not_active Expired - Lifetime
- 2003-07-11 DE DE60319239T patent/DE60319239T2/de not_active Expired - Lifetime
- 2003-07-14 MY MYPI20032623A patent/MY137057A/en unknown
- 2003-07-15 TW TW092119266A patent/TWI234402B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP4533841B2 (ja) | 2010-09-01 |
EP1540824A2 (en) | 2005-06-15 |
MXPA05000672A (es) | 2005-03-31 |
AU2003259110A8 (en) | 2004-02-02 |
MY137057A (en) | 2008-12-31 |
AU2003259110A1 (en) | 2004-02-02 |
TWI234402B (en) | 2005-06-11 |
CN1669330A (zh) | 2005-09-14 |
WO2004008642A3 (en) | 2004-04-08 |
EP1540824B1 (en) | 2008-02-20 |
DE60319239D1 (de) | 2008-04-03 |
CN100450185C (zh) | 2009-01-07 |
ES2301828T3 (es) | 2008-07-01 |
TW200412799A (en) | 2004-07-16 |
WO2004008642A2 (en) | 2004-01-22 |
DE60319239T2 (de) | 2009-02-26 |
US7376186B2 (en) | 2008-05-20 |
EP1540824A4 (en) | 2005-08-24 |
BRPI0305517B1 (pt) | 2018-04-17 |
US20040008782A1 (en) | 2004-01-15 |
JP2005533464A (ja) | 2005-11-04 |
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