CN1751521A - 图像解码装置、图像解码方法和图像解码程序 - Google Patents

图像解码装置、图像解码方法和图像解码程序 Download PDF

Info

Publication number
CN1751521A
CN1751521A CNA2004800041595A CN200480004159A CN1751521A CN 1751521 A CN1751521 A CN 1751521A CN A2004800041595 A CNA2004800041595 A CN A2004800041595A CN 200480004159 A CN200480004159 A CN 200480004159A CN 1751521 A CN1751521 A CN 1751521A
Authority
CN
China
Prior art keywords
inverse quantization
inverse
conversion coefficient
decoding
processing block
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CNA2004800041595A
Other languages
English (en)
Chinese (zh)
Inventor
渡边真司
泉伸明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of CN1751521A publication Critical patent/CN1751521A/zh
Pending legal-status Critical Current

Links

Images

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
    • H04N19/60—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

Landscapes

  • 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)
CNA2004800041595A 2003-12-15 2004-11-30 图像解码装置、图像解码方法和图像解码程序 Pending CN1751521A (zh)

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
JP417336/2003 2003-12-15

Publications (1)

Publication Number Publication Date
CN1751521A true CN1751521A (zh) 2006-03-22

Family

ID=34708688

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2004800041595A Pending CN1751521A (zh) 2003-12-15 2004-11-30 图像解码装置、图像解码方法和图像解码程序

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=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105847846A (zh) * 2010-07-19 2016-08-10 Sk电信有限公司 视频编码装置
CN107959858A (zh) * 2011-10-18 2018-04-24 株式会社Kt 视频信号解码方法

Families Citing this family (39)

* 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
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.
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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105847846A (zh) * 2010-07-19 2016-08-10 Sk电信有限公司 视频编码装置
CN105847846B (zh) * 2010-07-19 2019-10-01 Sk电信有限公司 视频编码装置
CN107959858A (zh) * 2011-10-18 2018-04-24 株式会社Kt 视频信号解码方法
CN107959857A (zh) * 2011-10-18 2018-04-24 株式会社Kt 视频信号解码方法
CN107959857B (zh) * 2011-10-18 2022-03-01 株式会社Kt 视频信号解码方法

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
TW200531450A (en) 2005-09-16
KR20060109290A (ko) 2006-10-19
TWI328357B (https=) 2010-08-01
US20060291556A1 (en) 2006-12-28
EP1696677A4 (en) 2011-05-18
WO2005062622A1 (ja) 2005-07-07

Similar Documents

Publication Publication Date Title
CN1751521A (zh) 图像解码装置、图像解码方法和图像解码程序
JP4617644B2 (ja) 符号化装置及び方法
CN1695168A (zh) 视频信息编码方法和视频信息解码方法
JP2004140473A (ja) 画像情報符号化装置、復号化装置並びに画像情報符号化方法、復号化方法
CN101406056A (zh) 减少数字视频编码器中的内预测和模式判决处理中的计算的方法
CN1774930A (zh) 视频转码
CN1589576A (zh) 使用较大像素格栅运动补偿的降低复杂性视频解码
CN1620821A (zh) 图像信息编码装置和图像信息编码方法、图像信息解码装置和图像信息解码方法
CN1669235A (zh) 在混合视频codec比特流之间进行码转换的方法和装置
CN1839629A (zh) 用于在双通道编码中选择扫描模式的方法与设备
CN1777283A (zh) 一种基于微块的视频信号编/解码方法
US8077769B2 (en) Method of reducing computations in transform and scaling processes in a digital video encoder using a threshold-based approach
JP3797209B2 (ja) 画像情報符号化方法及び装置、画像情報復号方法及び装置、並びにプログラム
JP2006287315A (ja) 画像符号化方法および装置、画像復号方法
CN1642285A (zh) 图像编码方法和装置以及图像编码程序
CN1708134A (zh) 用于估计运动的方法和设备
JP5375938B2 (ja) 復号装置及び方法
CN1154365C (zh) 无漂移代码转换器和相关的方法
CN1770867A (zh) 选择性预测编码和解码方法及选择性预测编码和解码装置
JP2008219205A (ja) 画像情報符号化装置及び画像情報符号化方法
JP4924708B2 (ja) 復号装置及び方法
HK1092977A (en) Image decoding device, image decoding method, and image decoding program
JP4983908B2 (ja) 復号装置及び方法
JP5375935B2 (ja) 符号化装置及び方法
CN1717938A (zh) 编码移动通信终端的运动图像的系统和方法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
REG Reference to a national code

Ref country code: HK

Ref legal event code: DE

Ref document number: 1092977

Country of ref document: HK

C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication
REG Reference to a national code

Ref country code: HK

Ref legal event code: WD

Ref document number: 1092977

Country of ref document: HK