TW200531450A - Image decoding device, image decoding method, and image decoding program - Google Patents
Image decoding device, image decoding method, and image decoding program Download PDFInfo
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- TW200531450A TW200531450A TW93138969A TW93138969A TW200531450A TW 200531450 A TW200531450 A TW 200531450A TW 93138969 A TW93138969 A TW 93138969A TW 93138969 A TW93138969 A TW 93138969A TW 200531450 A TW200531450 A TW 200531450A
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- Taiwan
- Prior art keywords
- conversion
- inverse
- image
- image decoding
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Links
- 238000000034 method Methods 0.000 title claims description 53
- 238000006243 chemical reaction Methods 0.000 claims abstract description 156
- 238000012545 processing Methods 0.000 claims abstract description 79
- 238000013139 quantization Methods 0.000 claims abstract description 42
- 230000008569 process Effects 0.000 claims description 24
- 230000006835 compression Effects 0.000 claims description 23
- 238000007906 compression Methods 0.000 claims description 23
- 230000009466 transformation Effects 0.000 claims description 13
- 230000008859 change Effects 0.000 claims description 12
- 230000002441 reversible effect Effects 0.000 abstract description 32
- 238000004364 calculation method Methods 0.000 description 16
- 239000011159 matrix material Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 8
- 239000000872 buffer Substances 0.000 description 7
- 230000008707 rearrangement Effects 0.000 description 7
- 239000012536 storage buffer Substances 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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)
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200531450A true TW200531450A (en) | 2005-09-16 |
| TWI328357B TWI328357B (cg-RX-API-DMAC7.html) | 2010-08-01 |
Family
ID=34708688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW93138969A TW200531450A (en) | 2003-12-15 | 2004-12-15 | Image decoding device, image decoding method, and image decoding program |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8249147B2 (cg-RX-API-DMAC7.html) |
| EP (1) | EP1696677B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JP2005184042A (cg-RX-API-DMAC7.html) |
| KR (1) | KR20060109290A (cg-RX-API-DMAC7.html) |
| CN (1) | CN1751521A (cg-RX-API-DMAC7.html) |
| TW (1) | TW200531450A (cg-RX-API-DMAC7.html) |
| WO (1) | WO2005062622A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (41)
| 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 |
| US9374598B2 (en) * | 2011-03-21 | 2016-06-21 | Lg Electronics Inc. | Method for selecting motion vector predictor and device using same |
| RU2719308C2 (ru) | 2011-04-12 | 2020-04-17 | Сан Пэтент Траст | Способ кодирования движущихся изображений, устройство кодирования движущихся изображений, способ декодирования движущихся изображений, устройство декодирования движущихся изображений и устройство кодирования и декодирования движущихся изображений |
| KR102126486B1 (ko) | 2011-05-24 | 2020-06-25 | 벨로스 미디어 인터내셔널 리미티드 | 화상 부호화 방법, 화상 부호화 장치, 화상 복호 방법, 화상 복호 장치, 및, 화상 부호화 복호 장치 |
| CA2834123C (en) | 2011-05-27 | 2020-02-11 | Panasonic Corporation | Image coding method, image coding apparatus, image decoding method, image decoding apparatus, and image coding and decoding apparatus |
| 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 |
| MX2013012209A (es) | 2011-05-31 | 2013-11-01 | Panasonic Corp | Metodo de codificacion de video, aparato de codificacion de video, metodo de decodificacion de video, aparato de decodificacion de video y aparato de codificacion/decodificacion de video. |
| CA2838214C (en) | 2011-06-13 | 2019-02-12 | Panasonic Corporation | Image decoding method, image coding method, image decoding apparatus, image coding apparatus, and image coding and decoding apparatus |
| JP5318292B2 (ja) | 2011-06-23 | 2013-10-16 | パナソニック株式会社 | 画像復号方法及び画像復号装置 |
| 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 |
| EP2725792B1 (en) | 2011-06-24 | 2018-08-22 | Sun Patent Trust | Image decoding method and image decoding device |
| KR102067683B1 (ko) | 2011-06-24 | 2020-01-17 | 선 페이턴트 트러스트 | 화상 복호 방법, 화상 부호화 방법, 화상 복호 장치, 화상 부호화 장치 및 화상 부호화 복호 장치 |
| 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 |
| PH12013502409A1 (en) | 2011-06-28 | 2014-01-06 | 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. |
| BR112013029425B1 (pt) * | 2011-06-30 | 2022-03-29 | Sun Patent Trust | Método de decodificação de imagem, método de codificação de imagem, dispositivo de decodificação de imagem, dispositivo de codificação de imagem, e dispositivo de codifica ção/decodificação de imagem |
| 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 |
| MY167090A (en) | 2011-06-30 | 2018-08-10 | Sun Patent Trust | Image decoding method, image coding method, image decoding apparatus, image coding apparatus, and image coding and decoding apparatus |
| US8929455B2 (en) * | 2011-07-01 | 2015-01-06 | Mitsubishi Electric Research Laboratories, Inc. | Method for selecting transform types from mapping table for prediction modes |
| RU2714371C2 (ru) | 2011-07-11 | 2020-02-14 | Сан Пэтент Траст | Способ декодирования изображений, способ кодирования изображений, устройство декодирования изображений, устройство кодирования изображений и устройство кодирования и декодирования изображений |
| IN2014CN00729A (cg-RX-API-DMAC7.html) | 2011-08-03 | 2015-04-03 | Panasonic Corp | |
| KR101951696B1 (ko) | 2011-10-17 | 2019-02-25 | 주식회사 케이티 | 화면 내 예측 모드에 기초한 적응적인 변환 방법 및 이러한 방법을 사용하는 장치 |
| CN104067622B (zh) * | 2011-10-18 | 2018-01-02 | 株式会社Kt | 图像编码方法、图像解码方法、图像编码器及图像解码器 |
| MX2014004852A (es) | 2011-10-19 | 2014-06-05 | Kt Corp | Metodo y aparato para codificar/decodificar imagenes. |
| IN2014CN02602A (cg-RX-API-DMAC7.html) | 2011-10-19 | 2015-08-07 | Panasonic Corp | |
| WO2013061549A1 (ja) | 2011-10-28 | 2013-05-02 | パナソニック株式会社 | 画像符号化方法、画像復号方法、画像符号化装置および画像復号装置 |
| EP2773111B1 (en) | 2011-10-28 | 2020-01-01 | Sun Patent Trust | Image encoding method, image decoding method, image encoding device, and image decoding device |
| JP2015526013A (ja) | 2012-07-02 | 2015-09-07 | エレクトロニクス アンド テレコミュニケーションズ リサーチ インスチチュートＥｌｅｃｔｒｏｎｉｃｓ Ａｎｄ Ｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｓ Ｒｅｓｅａｒｃｈ Ｉｎｓｔｉｔｕｔｅ | 映像符号化方法及び装置、並びに映像復号化方法及び装置 |
| WO2014007520A1 (ko) * | 2012-07-02 | 2014-01-09 | 한국전자통신연구원 | 영상 부호화/복호화 방법 및 장치 |
| MY183347A (en) * | 2013-09-30 | 2021-02-18 | Japan Broadcasting Corp | Image encoding device, image decoding device, and the programs thereof |
| TWI761551B (zh) | 2017-07-13 | 2022-04-21 | 美商松下電器（美國）知識產權公司 | 編碼裝置、編碼方法、解碼裝置及解碼方法 |
| WO2019117639A1 (ko) | 2017-12-15 | 2019-06-20 | 엘지전자 주식회사 | 변환에 기반한 영상 코딩 방법 및 그 장치 |
| 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)
| 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 |
| CN1183769C (zh) * | 1996-05-28 | 2005-01-05 | 松下电器产业株式会社 | 图像预测编码/解码装置和方法以及记录媒体 |
| 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 |
| US6987811B2 (en) * | 2000-06-02 | 2006-01-17 | Matsushita Electric Industrial Co., Ltd. | Image processor and image processing method |
| EP1401106A4 (en) * | 2001-06-06 | 2004-07-21 | Seiko Epson Corp | DECODING DEVICE, DECODING METHOD, LOOKUP TABLE AND DECODING PROGRAM |
-
2003
- 2003-12-15 JP JP2003417336A patent/JP2005184042A/ja active Pending
-
2004
- 2004-11-30 KR KR20057014882A patent/KR20060109290A/ko not_active Ceased
- 2004-11-30 US US10/545,678 patent/US8249147B2/en not_active Expired - Fee Related
- 2004-11-30 WO PCT/JP2004/017804 patent/WO2005062622A1/ja not_active Ceased
- 2004-11-30 CN CNA2004800041595A patent/CN1751521A/zh active Pending
- 2004-11-30 EP EP20040820650 patent/EP1696677B1/en not_active Expired - Lifetime
- 2004-12-15 TW TW93138969A patent/TW200531450A/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CN1751521A (zh) | 2006-03-22 |
| EP1696677A4 (en) | 2011-05-18 |
| US20060291556A1 (en) | 2006-12-28 |
| KR20060109290A (ko) | 2006-10-19 |
| EP1696677B1 (en) | 2013-05-22 |
| JP2005184042A (ja) | 2005-07-07 |
| US8249147B2 (en) | 2012-08-21 |
| EP1696677A1 (en) | 2006-08-30 |
| TWI328357B (cg-RX-API-DMAC7.html) | 2010-08-01 |
| WO2005062622A1 (ja) | 2005-07-07 |
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