IL232331A - Contextual optimization for last significant coefficient coding - Google Patents
Contextual optimization for last significant coefficient codingInfo
- Publication number
- IL232331A IL232331A IL232331A IL23233114A IL232331A IL 232331 A IL232331 A IL 232331A IL 232331 A IL232331 A IL 232331A IL 23233114 A IL23233114 A IL 23233114A IL 232331 A IL232331 A IL 232331A
- Authority
- IL
- Israel
- Prior art keywords
- significant coefficient
- last significant
- coefficient position
- position coding
- context optimization
- Prior art date
Links
- 238000005457 optimization Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- 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
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
- H03M7/4006—Conversion to or from arithmetic code
- H03M7/4012—Binary arithmetic codes
- H03M7/4018—Context adapative binary arithmetic codes [CABAC]
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- 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
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
- H03M7/4031—Fixed length to variable length coding
- H03M7/4037—Prefix 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive 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
- H04N19/10—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]
-
- 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
- H04N19/10—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
- H04N19/18—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161557317P | 2011-11-08 | 2011-11-08 | |
| US201161561909P | 2011-11-20 | 2011-11-20 | |
| US201261588579P | 2012-01-19 | 2012-01-19 | |
| US201261596049P | 2012-02-07 | 2012-02-07 | |
| US13/669,096 US9357185B2 (en) | 2011-11-08 | 2012-11-05 | Context optimization for last significant coefficient position coding |
| PCT/US2012/063717 WO2013070610A1 (en) | 2011-11-08 | 2012-11-06 | Context optimization for last significant coefficient position coding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL232331A0 IL232331A0 (en) | 2014-06-30 |
| IL232331A true IL232331A (en) | 2017-05-29 |
Family
ID=48223671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL232331A IL232331A (en) | 2011-11-08 | 2014-04-29 | Contextual optimization for last significant coefficient coding |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US9357185B2 (https=) |
| EP (3) | EP3637768B1 (https=) |
| JP (1) | JP5955974B2 (https=) |
| KR (1) | KR101677356B1 (https=) |
| CN (1) | CN104025457B (https=) |
| AU (1) | AU2012336023B2 (https=) |
| BR (2) | BR112014011062B1 (https=) |
| CA (1) | CA2854816C (https=) |
| ES (1) | ES2700523T3 (https=) |
| IL (1) | IL232331A (https=) |
| IN (1) | IN2014CN03431A (https=) |
| MY (1) | MY168322A (https=) |
| PH (1) | PH12014500948A1 (https=) |
| RU (1) | RU2586002C2 (https=) |
| SG (1) | SG11201401614TA (https=) |
| WO (1) | WO2013070610A1 (https=) |
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| 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 |
| US9253508B2 (en) | 2011-11-04 | 2016-02-02 | Futurewei Technologies, Inc. | Differential pulse code modulation intra prediction for high efficiency video coding |
| US9154792B2 (en) | 2011-11-08 | 2015-10-06 | Qualcomm Incorporated | Progressive coding of position of last significant coefficient |
| 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 |
| US9357185B2 (en) * | 2011-11-08 | 2016-05-31 | Qualcomm Incorporated | Context optimization for last significant coefficient position coding |
| US20130136180A1 (en) * | 2011-11-29 | 2013-05-30 | Futurewei Technologies, Inc. | Unified Partitioning Structures and Signaling Methods for High Efficiency Video Coding |
| US20130188736A1 (en) * | 2012-01-19 | 2013-07-25 | Sharp Laboratories Of America, Inc. | High throughput significance map processing for cabac in hevc |
| US9743116B2 (en) * | 2012-01-19 | 2017-08-22 | Huawei Technologies Co., Ltd. | High throughput coding for CABAC in HEVC |
| US9860527B2 (en) | 2012-01-19 | 2018-01-02 | Huawei Technologies Co., Ltd. | High throughput residual coding for a transform skipped block for CABAC in HEVC |
| US9654139B2 (en) | 2012-01-19 | 2017-05-16 | Huawei Technologies Co., Ltd. | High throughput binarization (HTB) method for CABAC in HEVC |
| US10616581B2 (en) | 2012-01-19 | 2020-04-07 | Huawei Technologies Co., Ltd. | Modified coding for a transform skipped block for CABAC in HEVC |
| US9237344B2 (en) * | 2012-03-22 | 2016-01-12 | Qualcomm Incorporated | Deriving context for last position coding for video coding |
| WO2014002399A1 (ja) * | 2012-06-28 | 2014-01-03 | 日本電気株式会社 | 映像量子化パラメータ符号化方法、映像量子化パラメータ復号方法、装置およびプログラム |
| GB2513111A (en) * | 2013-04-08 | 2014-10-22 | Sony Corp | Data encoding and decoding |
| US9215464B2 (en) * | 2013-09-19 | 2015-12-15 | Blackberry Limited | Coding position data for the last non-zero transform coefficient in a coefficient group |
| US11323733B2 (en) | 2014-05-23 | 2022-05-03 | Qualcomm Incorporated | Predictor palette initialization in palette-based video coding |
| US10291940B2 (en) | 2014-05-23 | 2019-05-14 | Qualcomm Incorporated | Coding runs with escape in palette-based video coding |
| US10382749B2 (en) * | 2014-05-23 | 2019-08-13 | Qualcomm Incorporated | Coding run values based on palette index in palette-based video coding |
| KR20160037111A (ko) | 2014-09-26 | 2016-04-05 | 주식회사 케이티 | 비디오 신호 처리 방법 및 장치 |
| US10477218B2 (en) | 2014-10-20 | 2019-11-12 | Kt Corporation | Method and apparatus for predicting and restoring a video signal using palette entry |
| US10477227B2 (en) | 2015-01-15 | 2019-11-12 | Kt Corporation | Method and apparatus for predicting and restoring a video signal using palette entry and palette mode |
| WO2016122251A1 (ko) | 2015-01-29 | 2016-08-04 | 주식회사 케이티 | 비디오 신호 처리 방법 및 장치 |
| US10477244B2 (en) | 2015-01-29 | 2019-11-12 | Kt Corporation | Method and apparatus for predicting and restoring a video signal using palette entry and palette mode |
| CN107455007B (zh) | 2015-04-02 | 2021-02-09 | 株式会社Kt | 对视频信号进行编解码的方法 |
| US10708164B2 (en) * | 2016-05-03 | 2020-07-07 | Qualcomm Incorporated | Binarizing secondary transform index |
| EP3270594A1 (en) * | 2016-07-15 | 2018-01-17 | Thomson Licensing | Method and apparatus for advanced cabac context adaptation for last coefficient coding |
| EP3270595A1 (en) * | 2016-07-15 | 2018-01-17 | Thomson Licensing | Method and apparatus for last coefficient coding for adaptive transform based video compression |
| KR102636388B1 (ko) * | 2018-03-29 | 2024-02-15 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 변환 계수 블록 코딩 |
| EP3562156A1 (en) * | 2018-04-27 | 2019-10-30 | InterDigital VC Holdings, Inc. | Method and apparatus for adaptive context modeling in video encoding and decoding |
| CN119520781A (zh) * | 2018-07-02 | 2025-02-25 | 交互数字Vc控股公司 | 基于上下文的二进制算术编码和解码的方法和装置 |
| US11483575B2 (en) * | 2018-08-24 | 2022-10-25 | Hfi Innovation Inc. | Coding transform coefficients with throughput constraints |
| US11336918B2 (en) * | 2018-09-05 | 2022-05-17 | Qualcomm Incorporated | Regular coded bin reduction for coefficient coding |
| EP3852374A4 (en) * | 2018-09-23 | 2021-12-08 | Lg Electronics Inc. | PROCESS FOR ENCODING / DECODING VIDEO SIGNALS AND ASSOCIATED EQUIPMENT |
| CN114390280B (zh) * | 2018-11-12 | 2023-08-18 | Lg电子株式会社 | 图像解码方法、图像编码方法和数据发送方法 |
| US10904548B2 (en) * | 2018-12-06 | 2021-01-26 | Qualcomm Incorporated | Coefficient processing for video encoding and decoding |
| WO2020130514A1 (ko) * | 2018-12-17 | 2020-06-25 | 엘지전자 주식회사 | 고주파 제로잉을 기반으로 변환 계수 스캔 순서를 결정하는 방법 및 장치 |
| US10798397B2 (en) * | 2019-01-02 | 2020-10-06 | Tencent America LLC | Method and apparatus for video coding |
| US11134273B2 (en) * | 2019-02-14 | 2021-09-28 | Qualcomm Incorporated | Regular coded bin reduction for coefficient coding |
| KR20210128497A (ko) | 2019-03-11 | 2021-10-26 | 인터디지털 브이씨 홀딩스 인코포레이티드 | 비디오 인코딩 및 디코딩을 위한 엔트로피 코딩 |
| US11218735B2 (en) * | 2019-04-02 | 2022-01-04 | Qualcomm Incorporated | Context derivation for last position coding for video coding |
| KR102813325B1 (ko) * | 2019-06-19 | 2025-05-27 | 엘지전자 주식회사 | 변환 커널 세트에 관한 정보에 대한 코딩 |
| US11949870B2 (en) * | 2019-06-21 | 2024-04-02 | Qualcomm Incorporated | Context modeling for low-frequency non-separable transformation signaling for video coding |
| US11336893B2 (en) * | 2020-01-07 | 2022-05-17 | Qualcomm Incorporated | Context derivation and entropy coding initialization parameters for coordinates of last position coding in video coding |
| US11785219B2 (en) | 2020-04-13 | 2023-10-10 | Qualcomm Incorporated | Coefficient coding for support of different color formats in video coding |
| CN119497873A (zh) * | 2022-07-06 | 2025-02-21 | 字节跳动有限公司 | 用于视频处理的方法、装置和介质 |
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| ES2277174T3 (es) | 2002-05-02 | 2007-07-01 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Codificacion aritmetica de coeficientes de transformacion. |
| 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 |
| KR100612015B1 (ko) | 2004-07-22 | 2006-08-11 | 삼성전자주식회사 | 컨텍스트 적응형 이진 산술 부호화 방법 및 그 장치 |
| DE102004049156B4 (de) | 2004-10-08 | 2006-07-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codierschema für einen ein zeitlich veränderliches Graphikmodell darstellenden Datenstrom |
| EP2765780A1 (en) | 2005-12-05 | 2014-08-13 | Huawei Technologies Co., Ltd. | Binarizing method and device thereof |
| US8275045B2 (en) * | 2006-07-12 | 2012-09-25 | Qualcomm Incorporated | Video compression using adaptive variable length codes |
| US20100040136A1 (en) | 2008-08-13 | 2010-02-18 | Horizon Semiconductors Ltd. | Method for performing binarization using a lookup table |
| US8594366B2 (en) * | 2008-08-19 | 2013-11-26 | Thomson Licensing | Context-based adaptive binary arithmetic coding (CABAC) video stream compliance |
| 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 |
| US9591320B2 (en) | 2010-07-15 | 2017-03-07 | Texas Instruments Incorporated | Context and bypass encoding video |
| CN101951516B (zh) * | 2010-09-25 | 2013-06-05 | 清华大学 | 基于h.264/avc中cabac的并行编码实现电路及编码方法 |
| US9641846B2 (en) | 2010-10-22 | 2017-05-02 | Qualcomm Incorporated | Adaptive scanning of transform coefficients for video coding |
| US8861599B2 (en) | 2011-03-08 | 2014-10-14 | Sony Corporation | Context reduction for last transform position coding |
| 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 |
| US20130003858A1 (en) * | 2011-06-30 | 2013-01-03 | Vivienne Sze | Simplified Context Selection For Entropy Coding of Transform Coefficient Syntax Elements |
| EP2988511A1 (en) * | 2011-08-04 | 2016-02-24 | MediaTek Inc. | Method and apparatus for reordered binarization of syntax elements in cabac |
| US8964849B2 (en) * | 2011-11-01 | 2015-02-24 | Blackberry Limited | Multi-level significance maps for encoding and decoding |
| 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 |
| US9357185B2 (en) * | 2011-11-08 | 2016-05-31 | Qualcomm Incorporated | Context optimization for last significant coefficient position coding |
| US9154792B2 (en) | 2011-11-08 | 2015-10-06 | Qualcomm Incorporated | Progressive coding of position of last significant coefficient |
-
2012
- 2012-11-05 US US13/669,096 patent/US9357185B2/en active Active
- 2012-11-06 IN IN3431CHN2014 patent/IN2014CN03431A/en unknown
- 2012-11-06 MY MYPI2014700997A patent/MY168322A/en unknown
- 2012-11-06 CN CN201280054851.3A patent/CN104025457B/zh active Active
- 2012-11-06 RU RU2014123383/08A patent/RU2586002C2/ru active
- 2012-11-06 WO PCT/US2012/063717 patent/WO2013070610A1/en not_active Ceased
- 2012-11-06 KR KR1020147015290A patent/KR101677356B1/ko active Active
- 2012-11-06 EP EP19213462.5A patent/EP3637768B1/en active Active
- 2012-11-06 SG SG11201401614TA patent/SG11201401614TA/en unknown
- 2012-11-06 ES ES12795670T patent/ES2700523T3/es active Active
- 2012-11-06 EP EP12795670.4A patent/EP2777163B1/en active Active
- 2012-11-06 EP EP18194296.2A patent/EP3439305B1/en active Active
- 2012-11-06 AU AU2012336023A patent/AU2012336023B2/en active Active
- 2012-11-06 CA CA2854816A patent/CA2854816C/en active Active
- 2012-11-06 PH PH1/2014/500948A patent/PH12014500948A1/en unknown
- 2012-11-06 BR BR112014011062-0A patent/BR112014011062B1/pt active IP Right Grant
- 2012-11-06 BR BR122020003135-2A patent/BR122020003135B1/pt active IP Right Grant
- 2012-11-06 JP JP2014541161A patent/JP5955974B2/ja active Active
-
2014
- 2014-04-29 IL IL232331A patent/IL232331A/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| ES2700523T3 (es) | 2019-02-18 |
| CA2854816C (en) | 2017-06-06 |
| EP3439305B1 (en) | 2020-03-11 |
| PH12014500948A1 (en) | 2017-07-19 |
| RU2586002C2 (ru) | 2016-06-10 |
| BR112014011062B1 (pt) | 2021-06-29 |
| EP2777163B1 (en) | 2018-10-10 |
| JP2015502080A (ja) | 2015-01-19 |
| BR112014011062A2 (pt) | 2017-06-13 |
| JP5955974B2 (ja) | 2016-07-20 |
| US20130114676A1 (en) | 2013-05-09 |
| SG11201401614TA (en) | 2014-07-30 |
| CN104025457A (zh) | 2014-09-03 |
| IN2014CN03431A (https=) | 2015-09-04 |
| BR112014011062A8 (pt) | 2017-06-20 |
| EP3637768B1 (en) | 2021-04-21 |
| EP3637768A1 (en) | 2020-04-15 |
| AU2012336023B2 (en) | 2016-01-07 |
| KR20140098120A (ko) | 2014-08-07 |
| CN104025457B (zh) | 2017-06-30 |
| IL232331A0 (en) | 2014-06-30 |
| MY168322A (en) | 2018-10-30 |
| US9357185B2 (en) | 2016-05-31 |
| WO2013070610A1 (en) | 2013-05-16 |
| BR122020003135B1 (pt) | 2021-07-06 |
| KR101677356B1 (ko) | 2016-11-17 |
| CA2854816A1 (en) | 2013-05-16 |
| AU2012336023A1 (en) | 2014-05-22 |
| RU2014123383A (ru) | 2015-12-20 |
| EP2777163A1 (en) | 2014-09-17 |
| EP3439305A1 (en) | 2019-02-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Patent granted | ||
| KB | Patent renewed | ||
| KB | Patent renewed |