KR20040106351A - 이미지 및/또는 비디오 인코더 및 디코더에서의변환계수를 인코딩하는 방법 및 장치, 및 이에 대응하는컴퓨터 프로그램 및 컴퓨터로 읽을 수 있는 저장매체 - Google Patents
이미지 및/또는 비디오 인코더 및 디코더에서의변환계수를 인코딩하는 방법 및 장치, 및 이에 대응하는컴퓨터 프로그램 및 컴퓨터로 읽을 수 있는 저장매체 Download PDFInfo
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- H—ELECTRICITY
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- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
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- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
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- 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
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- H04N19/18—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 set of transform coefficients
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Abstract
Description
Claims (13)
- 유효 변환계수를 포함하는 (비디오) 픽처의 블록에 대해, 변환계수의 부호화가, 각 블록마다,주사과정에서, 상기 블록내 유효 변환계수의 위치가 결정되어 부호화되고, 이어서상기 블록내 최종 유효 변환계수에서 시작하여 역 주사순서로 상기 유효 변환계수의 값 (레벨)이 결정되어 부호화되는 방식으로 수행되는 것을 특징으로 하는 픽처 및/또는 비디오 코더 및 디코더에서의 변환계수 부호화 방법.
- 제 1 항에 있어서,상기 블록의 최종 변환계수가 아닌 상기 블록의 각 유효 변환계수는 1-비트 심볼인 것을 특징으로 하는 방법.
- 제 1 항 또는 제 2 항에 있어서,각 유효 변환계수에 대해, 부호는 1-비트 심볼 (SIGN)로 표시되고 크기는 이진 부호화 심볼 (ABS)로 표시되는 것을 특징으로 하는 방법.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,상기 크기는 단항 이진화 상태의 심볼 (ABS) 또는 프레픽스부 및 서픽스부를갖는 심볼 (ABS)로 표시되고, 상기 프레픽스부는 다수의 1로 구성되고 상기 서픽스부는 0차 EGC (exp-golomb code)로 부호화되는 것을 특징으로 하는 방법.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,유효 변환계수를 포함하는 블록은 예컨대 CBP 또는 매크로 블록 모드와 같은 다른 신택스 성분과 관련된 1-비트 심볼 CBP4인 것을 특징으로 하는 방법.
- 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,한 블록의 각 계수에 대한 1-비트 심볼 (SIG) 및 한 블록의 각 유효 계수에 대한 1-비트 심볼 (LAST)을 전송함으로써 유효매핑이 부호화되고, 상기 전송은 주사순서로 수행되고, (SIG)는 유효 계수를 식별하도록 기능하고 (LAST)는 상기 블록에서 유효 변환계수가 더 있는지 여부를 나타내는 것을 특징으로 하는 방법.
- 제 6 항에 있어서,상기 1-비트 심볼 CBP4, 상기 유효매핑의 부호화, 및/또는 상기 계수 크기의 부호화를 위한 모델링은 콘텍스트 종속 방식으로 수행되는 것을 특징으로 하는 방법.
- 제 6 항 또는 제 7 항에 있어서,한 블록의 최종 주사위치에 대해서는 유효정보 (SIG, LAST)가 전송되지 않는다는 것을 특징으로 하는 방법.
- 제 1 항 내지 제 8 항 중 어느 한 항에 있어서,비교통계 (comparable statistics)를 갖는 변환계수의 블록유형은 블록 카테고리로 요약되는 것을 특징으로 하는 방법.
- 픽처 및/또는 비디오 코더 및 디코더에서 변환계수를 부호화하는 방법이 수행될 수 있도록 형성된 적어도 하나의 프로세서 및/또는 칩을 포함하는 장치로서,유효 변환계수를 포함하는 (비디오) 픽처의 블록에 대해, 변환계수의 부호화가, 각 블록마다,주사과정에서, 상기 블록내 유효 변환계수의 위치가 결정되어 부호화되고, 이어서상기 블록내 최종 유효 변환계수에서 시작하여 역 주사순서로 상기 유효 변환계수의 값 (레벨)이 결정되어 부호화되는 방식으로 수행되는 것을 특징으로 하는 픽처 및/또는 비디오 코더 및 디코더에서의 변환계수 부호화 장치.
- 컴퓨터의 메모리로 로딩된 후에 상기 컴퓨터가 픽처 및/또는 비디오 코더 및 디코더에서의 변환계수를 부호화하는 방법을 수행할 수 있게 하는 컴퓨터 프로그램으로서,유효 변환계수를 포함하는 (비디오) 픽처의 블록에 대해, 변환계수의 부호화가, 각 블록마다,주사과정에서, 상기 블록내 유효 변환계수의 위치가 결정되어 부호화되고, 이어서상기 블록내 최종 유효 변환계수에서 시작하여 역 주사순서로 상기 유효 변환계수의 값 (레벨)이 결정되어 부호화되는 방식으로 수행되는 것을 특징으로 하는 컴퓨터 프로그램.
- 컴퓨터의 메모리로 로딩된 후에 상기 컴퓨터가 픽처 및/또는 비디오 코더 및 디코더에서 변환계수를 부호화하는 방법을 수행할 수 있게 하는 프로그램이 저장되는 컴퓨터로 읽을 수 있는 저장매체로서,유효 변환계수를 포함하는 (비디오) 픽처의 블록에 대해, 변환계수의 부호화가, 각 블록마다,주사과정에서, 상기 블록내 유효 변환계수의 위치가 결정되어 부호화되고, 이어서상기 블록내 최종 유효 변환계수에서 시작하여 역 주사순서로 상기 유효 변환계수의 값 (레벨)이 결정되어 부호화되는 방식으로 수행되는 것을 특징으로 하는 컴퓨터로 읽을 수 있는 저장매체.
- 제 11 항에 따른 컴퓨터 프로그램은, 예컨대 인터넷과 같은 전자 데이터 네트워크로부터 상기 데이터 네트워크에 접속된 데이터 처리수단으로 다운로드되는것을 특징으로 하는 방법.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10220961 | 2002-05-02 | ||
| DE10220961.8 | 2002-05-02 | ||
| PCT/EP2003/004656 WO2003094529A2 (de) | 2002-05-02 | 2003-05-02 | Verfahren von transformations-koeffizienten in bild-oder videokodierern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20040106351A true KR20040106351A (ko) | 2004-12-17 |
| KR100729270B1 KR100729270B1 (ko) | 2007-06-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020047016611A Expired - Lifetime KR100729270B1 (ko) | 2002-05-02 | 2003-05-02 | 이미지 및/또는 비디오 인코더 및 디코더에서의변환계수를 인코딩하는 방법 및 장치, 및 이에 대응하는컴퓨터 프로그램 및 컴퓨터로 읽을 수 있는 저장매체 |
Country Status (10)
| Country | Link |
|---|---|
| US (10) | US7702013B2 (ko) |
| EP (3) | EP1500281A2 (ko) |
| JP (4) | JP4313757B2 (ko) |
| KR (1) | KR100729270B1 (ko) |
| AT (2) | ATE343302T1 (ko) |
| DE (2) | DE50306371D1 (ko) |
| DK (2) | DK1467491T3 (ko) |
| ES (2) | ES2277174T3 (ko) |
| PT (2) | PT1467491E (ko) |
| WO (1) | WO2003094529A2 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7304590B2 (en) | 2005-04-04 | 2007-12-04 | Korean Advanced Institute Of Science & Technology | Arithmetic decoding apparatus and method |
Families Citing this family (113)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1413139B1 (en) * | 2001-11-22 | 2011-10-12 | Panasonic Corporation | Variable length coding method and variable length decoding method |
| ES2277174T3 (es) * | 2002-05-02 | 2007-07-01 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Codificacion aritmetica de coeficientes de transformacion. |
| US6744387B2 (en) * | 2002-07-10 | 2004-06-01 | Lsi Logic Corporation | Method and system for symbol binarization |
| US8824553B2 (en) | 2003-05-12 | 2014-09-02 | Google Inc. | Video compression method |
| US7646814B2 (en) * | 2003-12-18 | 2010-01-12 | Lsi Corporation | Low complexity transcoding between videostreams using different entropy coding |
| US7660355B2 (en) * | 2003-12-18 | 2010-02-09 | Lsi Corporation | Low complexity transcoding between video streams using different entropy coding |
| US20050259742A1 (en) * | 2004-05-21 | 2005-11-24 | Hellman Timothy M | System and method for choosing tables in CAVLC |
| NO322043B1 (no) * | 2004-12-30 | 2006-08-07 | Tandberg Telecom As | Fremgangsmate for forenklet entropikoding |
| EP1768415A1 (en) * | 2005-09-27 | 2007-03-28 | Matsushita Electric Industrial Co., Ltd. | Adaptive scan order of DCT coefficients and its signaling |
| KR100718134B1 (ko) | 2005-07-21 | 2007-05-14 | 삼성전자주식회사 | 비트율에 적응적인 영상 데이터 이진 산술 부호화/복호화장치 및 방법 |
| JP2009510962A (ja) * | 2005-10-03 | 2009-03-12 | ノキア コーポレイション | 独立変数のための適応性可変長コード |
| CN100466739C (zh) * | 2005-10-12 | 2009-03-04 | 华为技术有限公司 | Cabac解码系统及方法 |
| US7778472B2 (en) | 2006-03-27 | 2010-08-17 | Qualcomm Incorporated | Methods and systems for significance coefficient coding in video compression |
| US7262722B1 (en) * | 2006-06-26 | 2007-08-28 | Intel Corporation | Hardware-based CABAC decoder with parallel binary arithmetic decoding |
| US8731064B2 (en) * | 2006-09-11 | 2014-05-20 | Apple Inc. | Post-processing for decoder complexity scalability |
| CA2675891C (en) * | 2007-01-18 | 2013-04-16 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Quality scalable video data stream |
| US9967590B2 (en) | 2008-04-10 | 2018-05-08 | Qualcomm Incorporated | Rate-distortion defined interpolation for video coding based on fixed filter or adaptive filter |
| US8831086B2 (en) * | 2008-04-10 | 2014-09-09 | Qualcomm Incorporated | Prediction techniques for interpolation in video coding |
| KR101511082B1 (ko) * | 2008-05-09 | 2015-04-13 | 삼성전자주식회사 | 최하위 비트를 이용한 엔트로피 부호화 방법과 그 장치 및엔트로피 복호화 방법과 그 장치 |
| US10123050B2 (en) * | 2008-07-11 | 2018-11-06 | Qualcomm Incorporated | Filtering video data using a plurality of filters |
| US8000546B2 (en) * | 2008-08-01 | 2011-08-16 | National Cheng Kung University | Adaptive scan method for image/video coding |
| US8189776B2 (en) * | 2008-09-18 | 2012-05-29 | The Hong Kong University Of Science And Technology | Method and system for encoding multimedia content based on secure coding schemes using stream cipher |
| JP5524072B2 (ja) * | 2008-10-10 | 2014-06-18 | 株式会社東芝 | 動画像符号化装置 |
| US9143803B2 (en) * | 2009-01-15 | 2015-09-22 | Qualcomm Incorporated | Filter prediction based on activity metrics in video coding |
| JP5001964B2 (ja) * | 2009-02-18 | 2012-08-15 | 株式会社エヌ・ティ・ティ・ドコモ | 画像符号化装置、方法およびプログラム、並びに、画像復号装置、方法およびプログラム |
| US8677406B2 (en) * | 2009-03-27 | 2014-03-18 | Samsung Electronics Co., Ltd | Time-shift recording buffer as home network objects |
| JP5258664B2 (ja) * | 2009-04-14 | 2013-08-07 | 株式会社エヌ・ティ・ティ・ドコモ | 画像符号化装置、方法およびプログラム、並びに、画像復号装置、方法およびプログラム |
| KR101624649B1 (ko) * | 2009-08-14 | 2016-05-26 | 삼성전자주식회사 | 계층적인 부호화 블록 패턴 정보를 이용한 비디오 부호화 방법 및 장치, 비디오 복호화 방법 및 장치 |
| EP2315358A1 (en) * | 2009-10-09 | 2011-04-27 | Thomson Licensing | Method and device for arithmetic encoding or arithmetic decoding |
| BR122022013454B1 (pt) | 2009-10-20 | 2023-05-16 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Codificador de áudio, decodificador de áudio, método para codificar uma informação de áudio, método para decodificar uma informação de áudio que utiliza uma detecção de um grupo de valores espectrais previamente decodificados |
| KR101457894B1 (ko) | 2009-10-28 | 2014-11-05 | 삼성전자주식회사 | 영상 부호화 방법 및 장치, 복호화 방법 및 장치 |
| AU2011206677B9 (en) | 2010-01-12 | 2014-12-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding and decoding an audio information, and computer program obtaining a context sub-region value on the basis of a norm of previously decoded spectral values |
| KR101739808B1 (ko) * | 2010-04-13 | 2017-05-25 | 지이 비디오 컴프레션, 엘엘씨 | 유효성 맵 및 변환 계수 블록의 코딩 |
| JP5676744B2 (ja) * | 2010-04-13 | 2015-02-25 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | エントロピー符号化 |
| US9793921B2 (en) * | 2010-05-12 | 2017-10-17 | Thomson Licensing Dtv | Methods and apparatus for unified significance map coding |
| US10091529B2 (en) | 2010-07-09 | 2018-10-02 | Samsung Electronics Co., Ltd. | Method and apparatus for entropy encoding/decoding a transform coefficient |
| ES2653160T3 (es) * | 2010-07-09 | 2018-02-06 | Samsung Electronics Co., Ltd. | Procedimiento para decodificar por entropía coeficientes de transformación |
| US9172968B2 (en) | 2010-07-09 | 2015-10-27 | Qualcomm Incorporated | Video coding using directional transforms |
| US8483500B2 (en) | 2010-09-02 | 2013-07-09 | Sony Corporation | Run length coding with context model for image compression using sparse dictionaries |
| US9154801B2 (en) * | 2010-09-30 | 2015-10-06 | Texas Instruments Incorporated | Method and apparatus for diagonal scan and simplified coding of transform coefficients |
| CA2810899C (en) | 2010-10-05 | 2016-08-09 | General Instrument Corporation | Coding and decoding utilizing adaptive context model selection with zigzag scan |
| US9042440B2 (en) | 2010-12-03 | 2015-05-26 | Qualcomm Incorporated | Coding the position of a last significant coefficient within a video block based on a scanning order for the block in video coding |
| US8976861B2 (en) * | 2010-12-03 | 2015-03-10 | Qualcomm Incorporated | Separately coding the position of a last significant coefficient of a video block in video coding |
| US20120163456A1 (en) | 2010-12-22 | 2012-06-28 | Qualcomm Incorporated | Using a most probable scanning order to efficiently code scanning order information for a video block in video coding |
| US20120163457A1 (en) * | 2010-12-28 | 2012-06-28 | Viktor Wahadaniah | Moving picture decoding method, moving picture coding method, moving picture decoding apparatus, moving picture coding apparatus, and moving picture coding and decoding apparatus |
| US10992958B2 (en) | 2010-12-29 | 2021-04-27 | Qualcomm Incorporated | Video coding using mapped transforms and scanning modes |
| US9490839B2 (en) | 2011-01-03 | 2016-11-08 | Qualcomm Incorporated | Variable length coding of video block coefficients |
| KR101955142B1 (ko) * | 2011-01-14 | 2019-03-06 | 지이 비디오 컴프레션, 엘엘씨 | 엔트로피 인코딩 및 디코딩 방식 |
| KR101888218B1 (ko) | 2011-01-19 | 2018-08-13 | 선 페이턴트 트러스트 | 화상 부호화 방법, 화상 복호 방법, 화상 부호화 장치, 화상 복호 장치, 및 화상 부호화 복호 장치 |
| US20120207400A1 (en) * | 2011-02-10 | 2012-08-16 | Hisao Sasai | Image coding method, image coding apparatus, image decoding method, image decoding apparatus, and image coding and decoding apparatus |
| US8964853B2 (en) | 2011-02-23 | 2015-02-24 | Qualcomm Incorporated | Multi-metric filtering |
| US9106913B2 (en) * | 2011-03-08 | 2015-08-11 | Qualcomm Incorporated | Coding of transform coefficients for video coding |
| US10397577B2 (en) * | 2011-03-08 | 2019-08-27 | Velos Media, Llc | Inverse scan order for significance map coding of transform coefficients in video coding |
| US20120230396A1 (en) * | 2011-03-11 | 2012-09-13 | Mitsubishi Electric Research Laboratories, Inc. | Method for Embedding Decoding Information in Quantized Transform Coefficients |
| US8938001B1 (en) | 2011-04-05 | 2015-01-20 | Google Inc. | Apparatus and method for coding using combinations |
| EP2697974B1 (en) * | 2011-04-15 | 2017-04-12 | BlackBerry Limited | Methods and devices for coding and decoding the position of the last significant coefficient |
| US8446301B2 (en) * | 2011-04-15 | 2013-05-21 | Research In Motion Limited | Methods and devices for coding and decoding the position of the last significant coefficient |
| PL3343781T3 (pl) | 2011-06-16 | 2022-03-28 | Ge Video Compression, Llc | Inicjalizacja kontekstu w kodowaniu entropijnym |
| KR102008030B1 (ko) | 2011-06-23 | 2019-08-06 | 선 페이턴트 트러스트 | 화상 복호 방법, 화상 부호화 방법, 화상 복호 장치, 화상 부호화 장치 및 화상 부호화 복호 장치 |
| 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 |
| RU2603552C2 (ru) | 2011-06-24 | 2016-11-27 | Сан Пэтент Траст | Способ декодирования изображения, способ кодирования изображения, устройство декодирования изображения, устройство кодирования изображения и устройство кодирования и декодирования изображения |
| CA2830046C (en) | 2011-06-24 | 2018-09-04 | Panasonic Corporation | Image decoding method, image coding method, image decoding apparatus, image coding apparatus, and image coding and decoding apparatus |
| CA2842646C (en) | 2011-06-27 | 2018-09-04 | Panasonic Corporation | Image decoding method, image coding method, image decoding apparatus, image coding apparatus, and image coding and decoding apparatus |
| US9491469B2 (en) | 2011-06-28 | 2016-11-08 | Qualcomm Incorporated | Coding of last significant transform coefficient |
| 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 |
| EP3306939B1 (en) * | 2011-06-28 | 2020-08-05 | Samsung Electronics Co., Ltd. | Method and apparatus for video encoding, corresponding method for video decoding, video accompanied with arithmetic decoding and two dimensional last significant coefficient signaling |
| WO2013001767A1 (ja) | 2011-06-29 | 2013-01-03 | 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 |
| US9516316B2 (en) | 2011-06-29 | 2016-12-06 | Qualcomm Incorporated | VLC coefficient coding for large chroma block |
| US20130083856A1 (en) * | 2011-06-29 | 2013-04-04 | Qualcomm Incorporated | Contexts for coefficient level coding in video compression |
| AU2012277219A1 (en) | 2011-06-30 | 2013-09-19 | Sun Patent Trust | Image decoding method, image encoding method, image decoding device, image encoding device, and image encoding/decoding device |
| CA2837537C (en) | 2011-06-30 | 2019-04-02 | Panasonic Corporation | Image decoding method, image coding method, image decoding apparatus, image coding apparatus, and image coding and decoding apparatus |
| US9392301B2 (en) * | 2011-07-01 | 2016-07-12 | Qualcomm Incorporated | Context adaptive entropy coding for non-square blocks in video coding |
| US9338456B2 (en) | 2011-07-11 | 2016-05-10 | Qualcomm Incorporated | Coding syntax elements using VLC codewords |
| EP2733941B1 (en) | 2011-07-11 | 2020-02-19 | Sun Patent Trust | Image decoding method, image decoding apparatus |
| UA114674C2 (uk) | 2011-07-15 | 2017-07-10 | ДЖ.І. ВІДІЕУ КЕМПРЕШН, ЛЛСі | Ініціалізація контексту в ентропійному кодуванні |
| US8891616B1 (en) | 2011-07-27 | 2014-11-18 | Google Inc. | Method and apparatus for entropy encoding based on encoding cost |
| JP2013074528A (ja) * | 2011-09-28 | 2013-04-22 | Sony Corp | 画像処理装置と画像処理方法 |
| TWI574550B (zh) * | 2011-10-31 | 2017-03-11 | 三星電子股份有限公司 | 視訊解碼的方法 |
| 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. |
| CN108235015A (zh) * | 2011-11-08 | 2018-06-29 | 三星电子株式会社 | 用于对视频进行解码的设备 |
| US9154792B2 (en) | 2011-11-08 | 2015-10-06 | Qualcomm Incorporated | Progressive coding of position of last significant coefficient |
| US9357185B2 (en) | 2011-11-08 | 2016-05-31 | Qualcomm Incorporated | Context optimization for last significant coefficient position coding |
| TWI580264B (zh) * | 2011-11-10 | 2017-04-21 | Sony Corp | Image processing apparatus and method |
| EP2673954A4 (en) * | 2012-01-12 | 2015-08-12 | Mediatek Inc | METHOD AND DEVICE FOR UNIFYING CONTEXT-BASED CARD SELECTIONS |
| CN110536141B (zh) * | 2012-01-20 | 2021-07-06 | 索尼公司 | 有效度图编码的复杂度降低 |
| US11039138B1 (en) | 2012-03-08 | 2021-06-15 | Google Llc | Adaptive coding of prediction modes using probability distributions |
| US10129540B2 (en) * | 2012-04-10 | 2018-11-13 | Texas Instruments Incorporated | Reduced complexity coefficient transmission for adaptive loop filtering (ALF) in video coding |
| US9774856B1 (en) | 2012-07-02 | 2017-09-26 | Google Inc. | Adaptive stochastic entropy coding |
| US9509998B1 (en) | 2013-04-04 | 2016-11-29 | Google Inc. | Conditional predictive multi-symbol run-length coding |
| CA2925183C (en) | 2013-10-14 | 2020-03-10 | Microsoft Technology Licensing, Llc | Features of base color index map mode for video and image coding and decoding |
| US9392288B2 (en) | 2013-10-17 | 2016-07-12 | Google Inc. | Video coding using scatter-based scan tables |
| US9179151B2 (en) | 2013-10-18 | 2015-11-03 | Google Inc. | Spatial proximity context entropy coding |
| US10542274B2 (en) | 2014-02-21 | 2020-01-21 | Microsoft Technology Licensing, Llc | Dictionary encoding and decoding of screen content |
| CA3171803A1 (en) | 2014-09-30 | 2016-04-07 | Microsoft Technology Licensing, Llc | Rules for intra-picture prediction modes when wavefront parallel processing is enabled |
| US10306229B2 (en) | 2015-01-26 | 2019-05-28 | Qualcomm Incorporated | Enhanced multiple transforms for prediction residual |
| CN106664405B (zh) * | 2015-06-09 | 2020-06-09 | 微软技术许可有限责任公司 | 用调色板模式对经逸出编码的像素的稳健编码/解码 |
| US10171810B2 (en) | 2015-06-22 | 2019-01-01 | Cisco Technology, Inc. | Transform coefficient coding using level-mode and run-mode |
| US10623774B2 (en) | 2016-03-22 | 2020-04-14 | Qualcomm Incorporated | Constrained block-level optimization and signaling for video coding tools |
| CN109076013B (zh) * | 2016-05-10 | 2021-01-15 | 华为技术有限公司 | 分组交换业务识别方法及终端 |
| US10244261B2 (en) * | 2017-01-26 | 2019-03-26 | Google Llc | Transform coefficient coding using level maps |
| KR102772028B1 (ko) | 2017-09-15 | 2025-02-26 | 소니그룹주식회사 | 화상 처리 장치 및 방법 |
| US10523968B2 (en) | 2017-09-18 | 2019-12-31 | Google Llc | Coding of last significant coefficient flags |
| US10484695B2 (en) | 2017-10-23 | 2019-11-19 | Google Llc | Refined entropy coding for level maps |
| KR102636388B1 (ko) | 2018-03-29 | 2024-02-15 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 변환 계수 블록 코딩 |
| US10645381B2 (en) | 2018-04-30 | 2020-05-05 | Google Llc | Intra-prediction for smooth blocks in image/video |
| WO2020064745A1 (en) * | 2018-09-24 | 2020-04-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Efficient coding of transform coefficients using or suitable for a combination with dependent scalar quantization |
| US11323748B2 (en) | 2018-12-19 | 2022-05-03 | Qualcomm Incorporated | Tree-based transform unit (TU) partition for video coding |
| TWI737143B (zh) * | 2019-01-25 | 2021-08-21 | 聯發科技股份有限公司 | 帶有變換塊級別約束的變換係數編碼的方法和設備 |
| US11523136B2 (en) | 2019-01-28 | 2022-12-06 | Hfi Innovation Inc. | Methods and apparatuses for coding transform blocks |
| US10728555B1 (en) * | 2019-02-06 | 2020-07-28 | Sony Corporation | Embedded codec (EBC) circuitry for position dependent entropy coding of residual level data |
| CN111246211B (zh) * | 2020-02-04 | 2021-11-16 | 中国联合网络通信集团有限公司 | 编码方法、解码方法、装置、设备及存储介质 |
| CN115176458B (zh) | 2020-04-20 | 2024-06-07 | 鲁姆斯有限公司 | 具有增强的激光效率和眼睛安全的近眼显示器 |
| CN118338006B (zh) * | 2023-01-11 | 2026-02-24 | 维沃移动通信有限公司 | 变换系数编码方法、变换系数解码方法及终端 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6546145B1 (en) * | 1991-02-05 | 2003-04-08 | Canon Kabushiki Kaisha | Image compression using selection of quantization method |
| US5253055A (en) * | 1992-07-02 | 1993-10-12 | At&T Bell Laboratories | Efficient frequency scalable video encoding with coefficient selection |
| US5576765A (en) * | 1994-03-17 | 1996-11-19 | International Business Machines, Corporation | Video decoder |
| CA2144253C (en) * | 1994-04-01 | 1999-09-21 | Bruce F. Naylor | System and method of generating compressed video graphics images |
| US5473376A (en) * | 1994-12-01 | 1995-12-05 | Motorola, Inc. | Method and apparatus for adaptive entropy encoding/decoding of quantized transform coefficients in a video compression system |
| US5680129A (en) * | 1995-07-18 | 1997-10-21 | Hewlett-Packard Company | System and method for lossless image compression |
| US6483946B1 (en) * | 1995-10-25 | 2002-11-19 | Sarnoff Corporation | Apparatus and method for encoding zerotrees generated by a wavelet-based coding technique |
| US5818877A (en) * | 1996-03-14 | 1998-10-06 | The Regents Of The University Of California | Method for reducing storage requirements for grouped data values |
| US6304607B1 (en) * | 1997-03-18 | 2001-10-16 | Texas Instruments Incorporated | Error resilient video coding using reversible variable length codes (RVLCS) |
| US6466698B1 (en) * | 1999-03-25 | 2002-10-15 | The United States Of America As Represented By The Secretary Of The Navy | Efficient embedded image and video compression system using lifted wavelets |
| FR2800942A1 (fr) * | 1999-11-09 | 2001-05-11 | France Telecom | Procede de decodage de donnees codees a l'aide d'un code entropique, dispositif de decodage et systeme de transmission correspondants |
| AUPQ668500A0 (en) * | 2000-04-04 | 2000-05-04 | Canon Kabushiki Kaisha | Accessing items of information |
| US6819803B2 (en) * | 2001-07-02 | 2004-11-16 | International Business Machines Corporation | Faster lossless rotation of JPEG images |
| US6856701B2 (en) * | 2001-09-14 | 2005-02-15 | Nokia Corporation | Method and system for context-based adaptive binary arithmetic coding |
| US7190840B2 (en) * | 2002-01-07 | 2007-03-13 | Hewlett-Packard Development Company, L.P. | Transform coefficient compression using multiple scans |
| US7596279B2 (en) * | 2002-04-26 | 2009-09-29 | Ntt Docomo, Inc. | Image encoding device, image decoding device, image encoding method, image decoding method, image encoding program, and image decoding program |
| ES2277174T3 (es) * | 2002-05-02 | 2007-07-01 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Codificacion aritmetica de coeficientes de transformacion. |
| US6744387B2 (en) * | 2002-07-10 | 2004-06-01 | Lsi Logic Corporation | Method and system for symbol binarization |
| US6900748B2 (en) * | 2003-07-17 | 2005-05-31 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Method and apparatus for binarization and arithmetic coding of a data value |
| US7369709B2 (en) * | 2003-09-07 | 2008-05-06 | Microsoft Corporation | Conditional lapped transform |
-
2003
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- 2009-02-20 JP JP2009037764A patent/JP4295356B1/ja not_active Expired - Lifetime
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- 2009-04-22 US US12/428,157 patent/US9490838B2/en active Active
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- 2016-05-31 US US15/169,081 patent/US9698822B2/en not_active Expired - Fee Related
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7304590B2 (en) | 2005-04-04 | 2007-12-04 | Korean Advanced Institute Of Science & Technology | Arithmetic decoding apparatus and method |
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