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BR112013002450A2 - método de codificação de imagem, método de decodificação de imagem, aparelho de codificação de imagem, aparelho de decodificação de imagem, e aparelho de codificação e decodificação de imagem. - Google Patents

método de codificação de imagem, método de decodificação de imagem, aparelho de codificação de imagem, aparelho de decodificação de imagem, e aparelho de codificação e decodificação de imagem.

Info

Publication number
BR112013002450A2
BR112013002450A2 BR112013002450-0A BR112013002450A BR112013002450A2 BR 112013002450 A2 BR112013002450 A2 BR 112013002450A2 BR 112013002450 A BR112013002450 A BR 112013002450A BR 112013002450 A2 BR112013002450 A2 BR 112013002450A2
Authority
BR
Brazil
Prior art keywords
image
component
decoding device
image encoding
encoding
Prior art date
Application number
BR112013002450-0A
Other languages
English (en)
Japanese (ja)
Other versions
BR112013002450B1 (pt
Inventor
Sasai Hisao
Nishi Takahiro
Shibahara Youji
Sugio Toshiyasu
Tanikawa Kyoko
Matsunobu Toru
Original Assignee
Panasonic Corporation
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 Panasonic Corporation filed Critical Panasonic Corporation
Publication of BR112013002450A2 publication Critical patent/BR112013002450A2/pt
Publication of BR112013002450B1 publication Critical patent/BR112013002450B1/pt

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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
    • H04N19/513—Processing of motion vectors
    • H04N19/521—Processing of motion vectors for estimating the reliability of the determined motion vectors or motion vector field, e.g. for smoothing the motion vector field or for correcting 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
    • H04N19/10—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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/1887—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 variable length codeword
    • 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
    • H04N19/436—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 using parallelised computational arrangements
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic 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
    • H04N19/17—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
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)

Abstract

método de codificação de imagem, método de decodificação de imagem, aparelho de codificação de imagem, aparelho de decodificação de imagem, e aparelho de codificação e decodificação de imagem. um método de codificação de imagem inclui (s801) codificar uma diferença de vetor de movimento indicando uma diferença entre o vetor de movimento e um vetor de movimento predito, em que a codificação (s801) inclui: codificar uma primeira parte que é uma parte que é uma parte de uma primeira componente que é uma de uma componente horizontal e uma componente vertical da diferença de vetor de movimento; codificar uma segunda parte que é uma parte de uma segunda componente que é diferente da primeira componente e é a outra componente de a componente horizontal e a componente vertical; codificar uma terceira parte que é uma parte da primeira componente e é diferente da primeira parte; codificar uma quarta parte que é uma parte da segunda componente e é diferente da segunda parte; e gerar uma série de códigos que inclui a primeira parte, a segunda parte, a terceira parte e a quarta parte na ordem relatada.
BR112013002450-0A 2011-06-24 2012-06-21 Método de codificação de imagem, método de decodificação de imagem, aparelho de codificação de imagem, aparelho de decodificação de imagem, e aparelho de codificação e decodificação de imagem. BR112013002450B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161500805P 2011-06-24 2011-06-24
US61/500,805 2011-06-24
PCT/JP2012/004014 WO2012176450A1 (ja) 2011-06-24 2012-06-21 画像符号化方法、画像復号方法、画像符号化装置、画像復号装置および画像符号化復号装置

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BR112013002450A2 true BR112013002450A2 (pt) 2018-01-23
BR112013002450B1 BR112013002450B1 (pt) 2022-10-25

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US (9) US8855207B2 (pt)
EP (6) EP3309970B1 (pt)
JP (9) JP5362129B2 (pt)
KR (2) KR102258753B1 (pt)
CN (3) CN107396107B (pt)
AU (1) AU2012274765B2 (pt)
BR (1) BR112013002450B1 (pt)
CA (1) CA2806796C (pt)
ES (3) ES2952761T3 (pt)
MX (1) MX2013001167A (pt)
PL (3) PL3309970T3 (pt)
TW (1) TWI565304B (pt)
WO (1) WO2012176450A1 (pt)

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JP5415648B2 (ja) 2014-02-12
US11330292B2 (en) 2022-05-10
JP2017229103A (ja) 2017-12-28
JP2016226026A (ja) 2016-12-28
WO2012176450A1 (ja) 2012-12-27
JPWO2012176450A1 (ja) 2015-02-23
EP3309970A1 (en) 2018-04-18
EP3522377A1 (en) 2019-08-07
ES2985582T3 (es) 2024-11-06
CA2806796A1 (en) 2012-12-27
CN107396107B (zh) 2021-02-02
US20250211780A1 (en) 2025-06-26
AU2012274765A2 (en) 2013-03-28
BR112013002450B1 (pt) 2022-10-25
MX2013001167A (es) 2013-02-15
US20190349600A1 (en) 2019-11-14
TWI565304B (zh) 2017-01-01
US20170230681A1 (en) 2017-08-10
US9681130B2 (en) 2017-06-13
EP4220966B1 (en) 2024-06-05
CN107371025B (zh) 2020-04-14
US11743490B2 (en) 2023-08-29
JP2014003698A (ja) 2014-01-09
EP4220966A1 (en) 2023-08-02
EP4383723A2 (en) 2024-06-12
CN103004207B (zh) 2017-09-29
EP2725796A4 (en) 2014-11-12
CN107396107A (zh) 2017-11-24
CA2806796C (en) 2020-08-25
PL3309969T3 (pl) 2023-09-18
JP2021069124A (ja) 2021-04-30
CN103004207A (zh) 2013-03-27
JP6229909B2 (ja) 2017-11-15
JP5362129B2 (ja) 2013-12-11
JP7033675B2 (ja) 2022-03-10
US20240267555A1 (en) 2024-08-08
ES2952761T3 (es) 2023-11-03
JP5390727B1 (ja) 2014-01-15
AU2012274765B2 (en) 2016-06-30
JP6443847B2 (ja) 2018-12-26
AU2012274765A1 (en) 2013-02-07
US20220329848A1 (en) 2022-10-13
US11991388B2 (en) 2024-05-21
US12278987B2 (en) 2025-04-15
US20140029673A1 (en) 2014-01-30
JP6821766B2 (ja) 2021-01-27
US10382779B2 (en) 2019-08-13
JP2014014146A (ja) 2014-01-23
US20120328022A1 (en) 2012-12-27
JP6612416B2 (ja) 2019-11-27
PL3309970T3 (pl) 2023-09-25
US9648324B2 (en) 2017-05-09
US20230353775A1 (en) 2023-11-02
EP3309969B1 (en) 2023-04-19
CN107371025A (zh) 2017-11-21
EP4383723A3 (en) 2024-07-31
EP3309969A1 (en) 2018-04-18
JP2019047517A (ja) 2019-03-22
JP5999563B2 (ja) 2016-09-28
TW201306599A (zh) 2013-02-01
US20140029674A1 (en) 2014-01-30
KR102258753B1 (ko) 2021-05-31
JP2014014130A (ja) 2014-01-23
JP2020018013A (ja) 2020-01-30
KR20200067219A (ko) 2020-06-11
EP3309970B1 (en) 2023-06-07
US8855207B2 (en) 2014-10-07
PL4220966T3 (pl) 2024-08-19
ES2944949T3 (es) 2023-06-27
EP2725796A1 (en) 2014-04-30
KR20140032930A (ko) 2014-03-17

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