JP4230188B2 - 可変長符号化方法および可変長復号化方法 - Google Patents

可変長符号化方法および可変長復号化方法 Download PDF

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Publication number
JP4230188B2
JP4230188B2 JP2002290541A JP2002290541A JP4230188B2 JP 4230188 B2 JP4230188 B2 JP 4230188B2 JP 2002290541 A JP2002290541 A JP 2002290541A JP 2002290541 A JP2002290541 A JP 2002290541A JP 4230188 B2 JP4230188 B2 JP 4230188B2
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block
blocks
significant coefficients
encoding
decoding
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Expired - Lifetime
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JP2002290541A
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Japanese (ja)
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JP2004064725A (ja
JP2004064725A5 (https=
Inventor
敏志 近藤
眞也 角野
誠 羽飼
清史 安倍
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Panasonic Corp
Panasonic Holdings Corp
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Panasonic Corp
Matsushita Electric Industrial Co Ltd
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Priority to JP2002290541A priority Critical patent/JP4230188B2/ja
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Publication of JP2004064725A5 publication Critical patent/JP2004064725A5/ja
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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
    • H04N19/10—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]

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2002290541A 2002-06-06 2002-10-02 可変長符号化方法および可変長復号化方法 Expired - Lifetime JP4230188B2 (ja)

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JP2002290541A JP4230188B2 (ja) 2002-06-06 2002-10-02 可変長符号化方法および可変長復号化方法

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JP2002166233 2002-06-06
JP2002290541A JP4230188B2 (ja) 2002-06-06 2002-10-02 可変長符号化方法および可変長復号化方法

Related Child Applications (1)

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JP2008119337A Division JP4767992B2 (ja) 2002-06-06 2008-04-30 可変長符号化方法および可変長復号化方法

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JP2004064725A JP2004064725A (ja) 2004-02-26
JP2004064725A5 JP2004064725A5 (https=) 2005-10-27
JP4230188B2 true JP4230188B2 (ja) 2009-02-25

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Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006054846A (ja) * 2004-07-12 2006-02-23 Sony Corp 符号化方法、符号化装置、復号方法、復号装置およびそれらのプログラム
CN1860796B (zh) * 2004-07-12 2010-06-16 索尼株式会社 编码方法、编码装置、解码方法、及解码装置
KR101148701B1 (ko) 2004-08-31 2012-05-23 파나소닉 주식회사 동화상 부호화 방법 및 장치
HUE025501T2 (en) * 2006-01-09 2016-02-29 Matthias Narroschke Adaptive encoding of prediction error in hybrid video encoding
JP4660433B2 (ja) * 2006-06-29 2011-03-30 株式会社東芝 符号化回路、復号回路、エンコーダ回路、デコーダ回路、ｃａｂａｃ処理方法
BRPI0808567A2 (pt) 2007-03-14 2014-09-02 Nippon Telegraph & Telephone Método e aparelho de pesquisa de vetor de movimento, programa para o mesmo, e meio de armazenamento, que armazena o programa
ES2931465T3 (es) 2007-03-14 2022-12-29 Nippon Telegraph & Telephone Método y aparato de control de cuantificación, programa para el mismo y medio de almacenamiento que almacena el programa
KR101074870B1 (ko) * 2007-03-14 2011-10-19 니폰덴신뎅와 가부시키가이샤 부호량 추정 방법, 장치, 그 프로그램 및 기록매체
RU2420914C1 (ru) 2007-03-14 2011-06-10 Ниппон Телеграф Энд Телефон Корпорейшн Способ и устройство управления скоростью кодирования и носитель информации, который хранит программу для этого
BRPI0818444A2 (pt) * 2007-10-12 2016-10-11 Qualcomm Inc codificação adaptativa de informação de cabeçalho de bloco de vídeo
US8913666B2 (en) 2010-10-01 2014-12-16 Qualcomm Incorporated Entropy coding coefficients using a joint context model
BR122018076837B1 (pt) 2011-01-06 2020-12-01 Samsung Electronics Co., Ltd. dispositivo decodificador de vídeo
US8755620B2 (en) 2011-01-12 2014-06-17 Panasonic Corporation Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus for performing arithmetic coding and/or arithmetic decoding
US8687904B2 (en) 2011-01-14 2014-04-01 Panasonic Corporation Image coding method, image coding apparatus, image decoding method, image decoding apparatus, and image coding and decoding apparatus which include arithmetic coding or arithmetic decoding
PL3343781T3 (pl) * 2011-06-16 2022-03-28 Ge Video Compression, Llc Inicjalizacja kontekstu w kodowaniu entropijnym
EP2876883B1 (en) * 2011-11-01 2019-05-01 Velos Media International Limited Multi-level significance maps for encoding and decoding
US8964849B2 (en) 2011-11-01 2015-02-24 Blackberry Limited Multi-level significance maps for encoding and decoding
MX2013008943A (es) * 2011-11-07 2013-09-06 Panasonic Corp Metodo de codificacion de imagenes, metodo de decodificacion de imagenes, aparato de codificacion de imagenes, aparato de decodificacion de imagenes y aparato de codificacion y decodificacion de imagenes.
US9432696B2 (en) 2014-03-17 2016-08-30 Qualcomm Incorporated Systems and methods for low complexity forward transforms using zeroed-out coefficients
US9516345B2 (en) 2014-03-17 2016-12-06 Qualcomm Incorporated Systems and methods for low complexity forward transforms using mesh-based calculations
WO2018030293A1 (ja) * 2016-08-10 2018-02-15 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法及び復号方法

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