KR20060109290A - 화상 복호 장치 및 화상 복호 방법과 화상 복호 프로그램 - Google Patents

화상 복호 장치 및 화상 복호 방법과 화상 복호 프로그램 Download PDF

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Publication number
KR20060109290A
KR20060109290A KR20057014882A KR20057014882A KR20060109290A KR 20060109290 A KR20060109290 A KR 20060109290A KR 20057014882 A KR20057014882 A KR 20057014882A KR 20057014882 A KR20057014882 A KR 20057014882A KR 20060109290 A KR20060109290 A KR 20060109290A
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South Korea
Prior art keywords
inverse
transform
inverse quantization
processing block
image
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KR20057014882A
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English (en)
Korean (ko)
Inventor
신지 와따나베
노부아끼 이즈미
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소니 가부시끼 가이샤
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Ceased legal-status Critical Current

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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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/60—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR20057014882A 2003-12-15 2004-11-30 화상 복호 장치 및 화상 복호 방법과 화상 복호 프로그램 Ceased KR20060109290A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003417336A JP2005184042A (ja) 2003-12-15 2003-12-15 画像復号装置及び画像復号方法並びに画像復号プログラム
JPJP-P-2003-00417336 2003-12-15

Publications (1)

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KR20060109290A true KR20060109290A (ko) 2006-10-19

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KR20057014882A Ceased KR20060109290A (ko) 2003-12-15 2004-11-30 화상 복호 장치 및 화상 복호 방법과 화상 복호 프로그램

Country Status (7)

Country Link
US (1) US8249147B2 (https=)
EP (1) EP1696677B1 (https=)
JP (1) JP2005184042A (https=)
KR (1) KR20060109290A (https=)
CN (1) CN1751521A (https=)
TW (1) TW200531450A (https=)
WO (1) WO2005062622A1 (https=)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100681944B1 (ko) 2005-11-15 2007-02-12 학교법인 포항공과대학교 병렬 데이터 전송을 위한 분할된 집합 반전 인코딩 방법
JP4888224B2 (ja) * 2007-05-18 2012-02-29 ソニー株式会社 画像処理装置およびその方法、並びにプログラム
KR101517100B1 (ko) * 2008-08-21 2015-05-15 삼성전자주식회사 동영상의 부호화 및 복호화를 위한 장치 및 방법
WO2010027170A2 (ko) * 2008-09-03 2010-03-11 에스케이텔레콤 주식회사 예측 방향 전환과 선택적 부호화를 이용한 영상 부호화/복호화 장치 및 방법
KR101377660B1 (ko) * 2008-09-30 2014-03-26 에스케이텔레콤 주식회사 복수 개의 움직임 벡터 추정을 이용한 움직임 벡터 부호화/복호화 방법 및 장치와 그를 이용한 영상 부호화/복호화 방법 및 장치
KR101619972B1 (ko) 2008-10-02 2016-05-11 한국전자통신연구원 이산 여현 변환/이산 정현 변환을 선택적으로 이용하는 부호화/복호화 장치 및 방법
KR20110015356A (ko) * 2009-08-07 2011-02-15 한국전자통신연구원 차분 신호의 특성에 기반한 적응적인 변환 부호화/양자화 영역을 이용한 동영상 부호화/복호화 장치 및 그 방법
KR20120009618A (ko) 2010-07-19 2012-02-02 에스케이 텔레콤주식회사 주파수변환단위 분할부호화 방법 및 장치와 이를 이용한 영상 부호화/복호화 방법 및 장치
HRP20230425T1 (hr) * 2011-03-21 2023-07-07 Lg Electronics, Inc. Odabir prediktora vektora kretanja
ES2621231T3 (es) 2011-04-12 2017-07-03 Sun Patent Trust Método de codificación de video de movimiento, aparato de codificación de video de movimiento, método de decodificación de video de movimiento, aparato de decodificación de video de movimiento y aparato de codificación/decodificación de video de movimiento
HUE037619T2 (hu) 2011-05-24 2018-09-28 Velos Media Int Ltd Képkódoló eljárás, képkódoló berendezés, képdekódoló eljárás, képdekódoló berendezés és képkódoló/dekódoló berendezés
ES2769378T3 (es) 2011-05-27 2020-06-25 Sun Patent Trust Procedimiento de codificación de imágenes y aparato de codificación de imágenes
US9485518B2 (en) 2011-05-27 2016-11-01 Sun Patent Trust Decoding method and apparatus with candidate motion vectors
SG194746A1 (en) 2011-05-31 2013-12-30 Kaba Gmbh Image encoding method, image encoding device, image decoding method, image decoding device, and image encoding/decoding device
ES2971526T3 (es) 2011-05-31 2024-06-05 Sun Patent Trust Procedimiento de descodificación de vídeo, dispositivo de descodificación de vídeo
US9860539B2 (en) 2011-06-13 2018-01-02 Sun Patent Trust Image decoding method, image coding method, image decoding apparatus, image coding apparatus, and image coding and decoding apparatus
USRE47366E1 (en) 2011-06-23 2019-04-23 Sun Patent Trust Image decoding method and apparatus based on a signal type of the control parameter of the current block
PL2725791T3 (pl) * 2011-06-23 2024-02-26 Sun Patent Trust Sposób dekodowania obrazów, sposób kodowania obrazów
KR102062283B1 (ko) 2011-06-24 2020-01-03 선 페이턴트 트러스트 화상 복호 방법, 화상 부호화 방법, 화상 복호 장치, 화상 부호화 장치 및 화상 부호화 복호 장치
WO2012176464A1 (ja) * 2011-06-24 2012-12-27 パナソニック株式会社 画像復号方法、画像符号化方法、画像復号装置、画像符号化装置及び画像符号化復号装置
BR112013030347B1 (pt) 2011-06-27 2022-06-28 Sun Patent Trust Método de decodificação de imagem, método de codificação de imagem, aparelho de decodificação de imagem, aparelho de codificação de imagem e aparelho de codificação e de decodificação de imagem
MY165469A (en) 2011-06-28 2018-03-23 Sun Patent Trust Image decoding method, image coding method, image decoding apparatus, image coding apparatus, and image coding and decoding apparatus
MX2013010892A (es) 2011-06-29 2013-12-06 Panasonic Corp Metodo de decodificacion de imagenes, metodo de codificacion de imagenes, aparato de decodificacion de imagenes, aparato de codificacion de imagenes y aparato de codificacion y decodificacion de imagenes.
PL2728869T3 (pl) 2011-06-30 2022-02-28 Sun Patent Trust Sposób dekodowania obrazów
EP2728878B1 (en) 2011-06-30 2020-02-19 Sun Patent Trust Image decoding method, image encoding method, image decoding device, image encoding device, and image encoding/decoding device
KR102060619B1 (ko) 2011-06-30 2019-12-30 선 페이턴트 트러스트 화상 복호 방법, 화상 부호화 방법, 화상 복호 장치, 화상 부호화 장치 및 화상 부호화 복호 장치
US8929455B2 (en) * 2011-07-01 2015-01-06 Mitsubishi Electric Research Laboratories, Inc. Method for selecting transform types from mapping table for prediction modes
KR102404121B1 (ko) 2011-07-11 2022-05-31 선 페이턴트 트러스트 화상 복호 방법, 화상 부호화 방법, 화상 복호 장치, 화상 부호화 장치 및 화상 부호화 복호 장치
EP3487178A1 (en) 2011-08-03 2019-05-22 Sun Patent Trust Video encoding method, video encoding apparatus, video decoding method, video decoding apparatus, and video encoding/decoding apparatus
MX381915B (es) * 2011-10-17 2025-03-13 Kt Corp Metodo de transformacion adaptable con base en la prediccion en pantalla y aparato que usa el metodo.
KR101762294B1 (ko) * 2011-10-18 2017-07-28 주식회사 케이티 영상 부호화 방법, 영상 복호화 방법, 영상 부호화기 및 영상 복호화기
MX2014003991A (es) 2011-10-19 2014-05-07 Panasonic Corp Metodo de codificacion de imagenes, aparato de codificacion de imagenes, metodo de decodificacion de imagenes y aparato de decodificacion de imagenes.
KR101542586B1 (ko) * 2011-10-19 2015-08-06 주식회사 케이티 영상 부호화/복호화 방법 및 그 장치
EP2773111B1 (en) 2011-10-28 2020-01-01 Sun Patent Trust Image encoding method, image decoding method, image encoding device, and image decoding device
PL2782341T3 (pl) 2011-10-28 2020-06-29 Sun Patent Trust Sposób kodowania obrazów, sposób dekodowania obrazów, urządzenie do kodowania obrazów i urządzenie do dekodowania obrazów
WO2014007520A1 (ko) * 2012-07-02 2014-01-09 한국전자통신연구원 영상 부호화/복호화 방법 및 장치
CN110392257A (zh) 2012-07-02 2019-10-29 韩国电子通信研究院 视频解码/编码方法和计算机可读记录介质
WO2015045736A1 (ja) * 2013-09-30 2015-04-02 日本放送協会 画像符号化装置、画像復号装置及びそれらのプログラム
TWI860614B (zh) 2017-07-13 2024-11-01 美商松下電器（美國）知識產權公司 編碼裝置、編碼方法、解碼裝置、解碼方法及電腦可讀取之非暫時性媒體
RU2762873C2 (ru) * 2017-12-15 2021-12-23 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ кодирования изображений на основе преобразования и устройство для этого
US20240078710A1 (en) * 2022-09-02 2024-03-07 Electronics And Telecommunications Research Institute Method, apparatus and storage medium for encoding/decoding using transform-based feature map

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3752371A (en) * 1970-07-24 1973-08-14 Lion Fat Oil Co Ltd Container cap capable of being resiliently held open and closed
US4158902A (en) * 1977-09-30 1979-06-26 Chernack Milton P Integral snap action hinge
US5875266A (en) 1990-07-31 1999-02-23 Fujitsu Limited Image data processing a method and apparatus
JPH04220081A (ja) 1990-12-20 1992-08-11 Fujitsu Ltd 画像データ復元方法及び装置
JP3068361B2 (ja) 1993-03-31 2000-07-24 株式会社東芝 高能率復号化装置
DE4419116C2 (de) * 1994-06-01 1996-03-28 Riegler Fritz A Gmbh & Co Behälterverschluß
ES2171377T3 (es) * 1996-05-28 2002-09-16 Matsushita Electric Industrial Co Ltd Dispositivo de prediccion y decodificado de imagen.
JP2888292B2 (ja) 1997-07-24 1999-05-10 日本電気株式会社 ２次元逆離散コサイン変換（ｉｄｃｔ）装置
JPH1196138A (ja) 1997-09-18 1999-04-09 Sony Corp 逆コサイン変換方法及び逆コサイン変換器
WO2001095637A1 (en) 2000-06-02 2001-12-13 Matsushita Electric Industrial Co., Ltd. Image processing apparatus, and image processing method
CN1496608A (zh) * 2001-06-06 2004-05-12 ������������ʽ���� 解码装置、解码方法、查找表以及解码程序

Also Published As

Publication number Publication date
US8249147B2 (en) 2012-08-21
EP1696677A1 (en) 2006-08-30
EP1696677B1 (en) 2013-05-22
JP2005184042A (ja) 2005-07-07
CN1751521A (zh) 2006-03-22
TW200531450A (en) 2005-09-16
TWI328357B (https=) 2010-08-01
US20060291556A1 (en) 2006-12-28
EP1696677A4 (en) 2011-05-18
WO2005062622A1 (ja) 2005-07-07

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