CA2812313C - Entropy coding coefficients using a joint context model - Google Patents
Entropy coding coefficients using a joint context model Download PDFInfo
- Publication number
- CA2812313C CA2812313C CA2812313A CA2812313A CA2812313C CA 2812313 C CA2812313 C CA 2812313C CA 2812313 A CA2812313 A CA 2812313A CA 2812313 A CA2812313 A CA 2812313A CA 2812313 C CA2812313 C CA 2812313C
- Authority
- CA
- Canada
- Prior art keywords
- transform
- size
- coefficients
- context model
- transform unit
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 claims abstract description 131
- 230000003044 adaptive effect Effects 0.000 claims description 24
- 230000001131 transforming effect Effects 0.000 claims 4
- 230000000717 retained effect Effects 0.000 abstract description 143
- 239000013598 vector Substances 0.000 description 30
- 238000013139 quantization Methods 0.000 description 23
- 238000004891 communication Methods 0.000 description 20
- 230000003139 buffering effect Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 12
- 239000000872 buffer Substances 0.000 description 11
- 230000006835 compression Effects 0.000 description 10
- 238000007906 compression Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 208000037170 Delayed Emergence from Anesthesia Diseases 0.000 description 6
- 230000002123 temporal effect Effects 0.000 description 4
- 238000013500 data storage Methods 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000013074 reference sample Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000012546 transfer 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
-
- 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
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
-
- 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
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
-
- 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
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
- H04N19/64—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission
-
- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic 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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- 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
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
-
- 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
- H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US38917010P | 2010-10-01 | 2010-10-01 | |
| US61/389,170 | 2010-10-01 | ||
| US13/249,020 | 2011-09-29 | ||
| US13/249,020 US8902988B2 (en) | 2010-10-01 | 2011-09-29 | Zero-out of high frequency coefficients and entropy coding retained coefficients using a joint context model |
| US13/249,079 | 2011-09-29 | ||
| US13/249,079 US8913666B2 (en) | 2010-10-01 | 2011-09-29 | Entropy coding coefficients using a joint context model |
| PCT/US2011/054425 WO2012045041A1 (en) | 2010-10-01 | 2011-09-30 | Entropy coding coefficients using a joint context model |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2812313A1 CA2812313A1 (en) | 2012-04-05 |
| CA2812313C true CA2812313C (en) | 2016-05-24 |
Family
ID=44789642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2812313A Active CA2812313C (en) | 2010-10-01 | 2011-09-30 | Entropy coding coefficients using a joint context model |
Country Status (21)
| Country | Link |
|---|---|
| US (2) | US8913666B2 (https=) |
| EP (1) | EP2622861B1 (https=) |
| JP (1) | JP5788517B2 (https=) |
| KR (1) | KR101528085B1 (https=) |
| CN (1) | CN103181169B (https=) |
| AU (1) | AU2011308538B2 (https=) |
| BR (1) | BR112013007302B1 (https=) |
| CA (1) | CA2812313C (https=) |
| DK (1) | DK2622861T3 (https=) |
| ES (1) | ES2761301T3 (https=) |
| HU (1) | HUE046649T2 (https=) |
| IL (1) | IL225401A (https=) |
| MY (1) | MY168311A (https=) |
| PH (1) | PH12013500611A1 (https=) |
| PL (1) | PL2622861T3 (https=) |
| PT (1) | PT2622861T (https=) |
| RU (1) | RU2556465C2 (https=) |
| SG (1) | SG189037A1 (https=) |
| SI (1) | SI2622861T1 (https=) |
| UA (1) | UA106937C2 (https=) |
| WO (2) | WO2012045041A1 (https=) |
Families Citing this family (81)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9076239B2 (en) | 2009-04-30 | 2015-07-07 | Stmicroelectronics S.R.L. | Method and systems for thumbnail generation, and corresponding computer program product |
| US9497472B2 (en) * | 2010-11-16 | 2016-11-15 | Qualcomm Incorporated | Parallel context calculation 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 |
| US9049444B2 (en) | 2010-12-22 | 2015-06-02 | Qualcomm Incorporated | Mode dependent scanning of coefficients of a block of video data |
| US10992958B2 (en) | 2010-12-29 | 2021-04-27 | Qualcomm Incorporated | Video coding using mapped transforms and scanning modes |
| US8755620B2 (en) * | 2011-01-12 | 2014-06-17 | Panasonic Corporation | Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus for performing arithmetic coding and/or arithmetic decoding |
| US8687904B2 (en) * | 2011-01-14 | 2014-04-01 | Panasonic Corporation | Image coding method, image coding apparatus, image decoding method, image decoding apparatus, and image coding and decoding apparatus which include arithmetic coding or arithmetic decoding |
| WO2012120908A1 (ja) * | 2011-03-09 | 2012-09-13 | パナソニック株式会社 | 動画像符号化装置および動画像符号化方法 |
| WO2012120909A1 (ja) * | 2011-03-09 | 2012-09-13 | パナソニック株式会社 | 動画像復号化装置および動画像復号化方法 |
| PL3343781T3 (pl) * | 2011-06-16 | 2022-03-28 | Ge Video Compression, Llc | Inicjalizacja kontekstu w kodowaniu entropijnym |
| US20130003858A1 (en) * | 2011-06-30 | 2013-01-03 | Vivienne Sze | Simplified Context Selection For Entropy Coding of Transform Coefficient Syntax Elements |
| US9392301B2 (en) | 2011-07-01 | 2016-07-12 | Qualcomm Incorporated | Context adaptive entropy coding for non-square blocks in video coding |
| UA114674C2 (uk) | 2011-07-15 | 2017-07-10 | ДЖ.І. ВІДІЕУ КЕМПРЕШН, ЛЛСі | Ініціалізація контексту в ентропійному кодуванні |
| JPWO2013046504A1 (ja) * | 2011-09-29 | 2015-03-26 | パナソニックＩｐマネジメント株式会社 | 算術復号装置、画像復号装置、および算術復号方法 |
| US8891630B2 (en) | 2011-10-24 | 2014-11-18 | Blackberry Limited | Significance map encoding and decoding using partition set based context assignment |
| CN104221373B (zh) | 2011-11-08 | 2017-10-27 | 谷歌技术控股有限责任公司 | 用于采样自适应偏移代码化和/或信号通知的设备和方法 |
| US9955153B2 (en) | 2012-01-05 | 2018-04-24 | Google Technology Holdings LLC | Devices and methods for sample adaptive offset coding |
| WO2013103892A1 (en) | 2012-01-05 | 2013-07-11 | General Instrument Corporation | Devices and methods for sample adaptive offset coding and/or selection of edge offset parameters |
| US9253481B2 (en) | 2012-01-13 | 2016-02-02 | Qualcomm Incorporated | Determining contexts for coding transform coefficient data in video coding |
| US9654772B2 (en) | 2012-01-19 | 2017-05-16 | Qualcomm Incorporated | Context adaptive entropy coding with a reduced initialization value set |
| US9106918B2 (en) | 2012-01-20 | 2015-08-11 | Sony Corporation | Coefficient coding harmonization in HEVC |
| CN107197283B (zh) * | 2012-03-26 | 2020-06-12 | Jvc 建伍株式会社 | 图像编码装置、图像编码方法、发送装置 |
| US9549176B2 (en) * | 2012-04-06 | 2017-01-17 | Google Technology Holdings LLC | Devices and methods for signaling sample adaptive offset (SAO) parameters |
| ES2607438T3 (es) * | 2012-04-13 | 2017-03-31 | Ge Video Compression, Llc | Flujo de datos escalable y entidad de red |
| PL3754991T3 (pl) | 2012-04-13 | 2024-08-05 | Jvckenwood Corporation | Urządzenie do dekodowania obrazu, sposób dekodowania obrazu, program do dekodowania obrazu, urządzenie do kodowania obrazu, sposób kodowania obrazu i program do kodowania obrazu |
| CN103636221B (zh) * | 2012-05-25 | 2017-11-17 | 太阳专利托管公司 | 图像编码方法、图像解码方法、图像编码装置、图像解码装置以及图像编码解码装置 |
| CA2937449C (en) | 2012-05-29 | 2018-12-04 | Mediatek Inc. | Method and apparatus for coding of sample adaptive offset information |
| TWI583182B (zh) * | 2012-05-31 | 2017-05-11 | Jvc Kenwood Corp | Image decoding apparatus, image decoding method, image decoding program, receiving apparatus, receiving method and receiving program |
| AU2013272989B2 (en) | 2012-06-08 | 2017-05-25 | Sun Patent Trust | Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus |
| CN109905710B (zh) * | 2012-06-12 | 2021-12-21 | 太阳专利托管公司 | 动态图像编码方法及装置、动态图像解码方法及装置 |
| CN104380737B (zh) * | 2012-06-22 | 2018-10-26 | 夏普株式会社 | 算术解码装置 |
| WO2014002407A1 (ja) | 2012-06-27 | 2014-01-03 | 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、画像復号装置および画像符号化復号装置 |
| SG11201408612TA (en) | 2012-06-29 | 2015-01-29 | Fraunhofer Ges Forschung | Video data stream concept |
| US9344742B2 (en) * | 2012-08-10 | 2016-05-17 | Google Inc. | Transform-domain intra prediction |
| KR20150090206A (ko) | 2013-01-30 | 2015-08-05 | 인텔 코포레이션 | 차세대 비디오를 위한 코딩을 위한 콘텐츠 적응적 파라메트릭 변환 |
| US9554152B2 (en) * | 2013-07-12 | 2017-01-24 | Qualcomm Incorporated | Concurrent processing of horizontal and vertical transforms |
| US9628800B2 (en) | 2013-11-18 | 2017-04-18 | Qualcomm Incorporated | Adaptive control for transforms in video coding |
| US9516345B2 (en) | 2014-03-17 | 2016-12-06 | Qualcomm Incorporated | Systems and methods for low complexity forward transforms using mesh-based calculations |
| US9432696B2 (en) * | 2014-03-17 | 2016-08-30 | Qualcomm Incorporated | Systems and methods for low complexity forward transforms using zeroed-out coefficients |
| US10063889B2 (en) * | 2014-10-28 | 2018-08-28 | Sony Corporation | Image processing system with conditional coding and method of operation thereof |
| EP3269141B1 (en) * | 2015-05-19 | 2021-06-23 | MediaTek Inc. | Method and apparatus for multi-table based context adaptive binary arithmetic coding |
| WO2017041271A1 (en) * | 2015-09-10 | 2017-03-16 | Mediatek Singapore Pte. Ltd. | Efficient context modeling for coding a block of data |
| EP3306924A1 (en) * | 2016-10-05 | 2018-04-11 | Thomson Licensing | Method and device for context-adaptive binary arithmetic coding a sequence of binary symbols representing a syntax element related to picture data |
| US10999602B2 (en) | 2016-12-23 | 2021-05-04 | Apple Inc. | Sphere projected motion estimation/compensation and mode decision |
| US11347764B1 (en) * | 2016-12-31 | 2022-05-31 | Teradata Us, Inc. | Time series table compression |
| US10194147B2 (en) * | 2017-01-19 | 2019-01-29 | Google Llc | DC coefficient sign coding scheme |
| US11259046B2 (en) | 2017-02-15 | 2022-02-22 | Apple Inc. | Processing of equirectangular object data to compensate for distortion by spherical projections |
| US10924747B2 (en) | 2017-02-27 | 2021-02-16 | Apple Inc. | Video coding techniques for multi-view video |
| US10587880B2 (en) | 2017-03-30 | 2020-03-10 | Qualcomm Incorporated | Zero block detection using adaptive rate model |
| US10469877B1 (en) * | 2017-04-28 | 2019-11-05 | Mozilla Corporation | Systems and methods for reduced complexity entropy coding |
| US11093752B2 (en) | 2017-06-02 | 2021-08-17 | Apple Inc. | Object tracking in multi-view video |
| US11134272B2 (en) * | 2017-06-29 | 2021-09-28 | Qualcomm Incorporated | Memory reduction for non-separable transforms |
| US10754242B2 (en) | 2017-06-30 | 2020-08-25 | Apple Inc. | Adaptive resolution and projection format in multi-direction video |
| US20190005709A1 (en) * | 2017-06-30 | 2019-01-03 | Apple Inc. | Techniques for Correction of Visual Artifacts in Multi-View Images |
| EP3503557A1 (en) * | 2017-12-22 | 2019-06-26 | Thomson Licensing | Method and apparatus for video encoding and decoding based on context switching |
| US10298895B1 (en) * | 2018-02-15 | 2019-05-21 | Wipro Limited | Method and system for performing context-based transformation of a video |
| EP4550782A1 (en) * | 2018-03-28 | 2025-05-07 | Sony Group Corporation | Image processing devices and image processing methods |
| EP3562156A1 (en) * | 2018-04-27 | 2019-10-30 | InterDigital VC Holdings, Inc. | Method and apparatus for adaptive context modeling in video encoding and decoding |
| CN112806018B (zh) | 2018-10-05 | 2024-05-17 | 韩国电子通信研究院 | 图像编码/解码方法和设备以及存储比特流的记录介质 |
| TWI738077B (zh) | 2018-10-08 | 2021-09-01 | 新加坡商聯發科技（新加坡）私人有限公司 | 圖像以及視訊編解碼中最後有效係數的編解碼方法以及裝置 |
| WO2020130514A1 (ko) * | 2018-12-17 | 2020-06-25 | 엘지전자 주식회사 | 고주파 제로잉을 기반으로 변환 계수 스캔 순서를 결정하는 방법 및 장치 |
| US10904563B2 (en) * | 2019-01-02 | 2021-01-26 | Tencent America LLC | Method and apparatus for improved zero out transform |
| US11677955B2 (en) * | 2019-01-15 | 2023-06-13 | Lg Electronics Inc. | Image decoding method for coding residual information on basis of high frequency zeroing in image coding system, and device therefor |
| KR102786486B1 (ko) * | 2019-02-06 | 2025-03-24 | 엘지전자 주식회사 | 축소된 변환을 사용하여 비디오 신호를 처리하기 위한 방법 및 장치 |
| CN109831670B (zh) * | 2019-02-26 | 2020-04-24 | 北京大学深圳研究生院 | 一种反量化方法、系统、设备及计算机可读介质 |
| JP2020150340A (ja) * | 2019-03-11 | 2020-09-17 | キヤノン株式会社 | 画像符号化装置、画像符号化方法、及びプログラム |
| CN117579818B (zh) * | 2019-03-11 | 2025-04-01 | 北京达佳互联信息技术有限公司 | 用于视频编码的方法和计算设备 |
| JP7267785B2 (ja) | 2019-03-11 | 2023-05-02 | キヤノン株式会社 | 画像復号装置、画像復号方法、及びプログラム |
| JP2020150338A (ja) * | 2019-03-11 | 2020-09-17 | キヤノン株式会社 | 画像復号装置、画像復号方法、及びプログラム |
| HUE071617T2 (hu) | 2019-03-12 | 2025-09-28 | Lg Electronics Inc | Transzformáció alapú képkódoló berendezés |
| WO2020242260A1 (ko) * | 2019-05-31 | 2020-12-03 | 한국전자통신연구원 | 전역적 문맥을 이용하는 기계 학습 기반의 이미지 압축을 위한 방법 및 장치 |
| JP7494850B2 (ja) * | 2019-06-19 | 2024-06-04 | ソニーグループ株式会社 | 画像処理装置および方法 |
| CN120583230A (zh) * | 2019-08-08 | 2025-09-02 | Lg 电子株式会社 | 基于变换的视频编译方法及其装置 |
| WO2021055640A1 (en) * | 2019-09-17 | 2021-03-25 | Beijing Dajia Internet Information Technology Co., Ltd. | Methods and apparatuses for lossless coding modes in video coding |
| CN114556932B (zh) * | 2019-09-24 | 2023-05-23 | 北京达佳互联信息技术有限公司 | 用于视频编解码的无损编解码模式 |
| KR20220152299A (ko) * | 2020-03-12 | 2022-11-15 | 인터디지털 브이씨 홀딩스 프랑스 | 비디오 인코딩 및 디코딩을 위한 방법 및 장치 |
| CN111182298B (zh) * | 2020-03-18 | 2022-04-12 | 广州市百果园信息技术有限公司 | 一种编码模式的确定方法、装置、设备和存储介质 |
| US12047593B2 (en) * | 2020-10-02 | 2024-07-23 | Tencent America LLC | Method and apparatus for video coding |
| CN113079378B (zh) * | 2021-04-15 | 2022-08-16 | 杭州海康威视数字技术股份有限公司 | 图像处理方法、装置和电子设备 |
| US12563212B2 (en) * | 2021-09-24 | 2026-02-24 | Mediatek Inc. | Video processing circuit for performing size-based parallel in parallel out computation with bubble cycle reduction |
| CN115278360B (zh) * | 2022-07-18 | 2023-11-07 | 天翼云科技有限公司 | 一种视频数据处理方法及电子设备 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9103380L (sv) | 1991-11-15 | 1993-03-08 | Televerket | Foerfarande och apparat foer bildkodning med oeverhoppning av bilder och/eller komponenter |
| CA2156889C (en) * | 1994-09-30 | 1999-11-02 | Edward L. Schwartz | Method and apparatus for encoding and decoding data |
| US7062098B1 (en) | 2000-05-12 | 2006-06-13 | International Business Machines Corporation | Method and apparatus for the scaling down of data |
| JP4230188B2 (ja) | 2002-06-06 | 2009-02-25 | パナソニック株式会社 | 可変長符号化方法および可変長復号化方法 |
| US6795584B2 (en) * | 2002-10-03 | 2004-09-21 | Nokia Corporation | Context-based adaptive variable length coding for adaptive block transforms |
| US7379608B2 (en) * | 2003-12-04 | 2008-05-27 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung, E.V. | Arithmetic coding for transforming video and picture data units |
| CA2572102A1 (en) * | 2004-06-30 | 2006-01-12 | Comet Video Technologies Llc | Method of data compression including compression of video data |
| US20090028239A1 (en) | 2005-05-03 | 2009-01-29 | Bernhard Schuur | Moving picture encoding method, moving picture decoding method and apparatuses using the methods |
| US7813567B2 (en) * | 2007-04-26 | 2010-10-12 | Texas Instruments Incorporated | Method of CABAC significance MAP decoding suitable for use on VLIW data processors |
| US7535387B1 (en) * | 2007-09-10 | 2009-05-19 | Xilinx, Inc. | Methods and systems for implementing context adaptive binary arithmetic coding |
| KR101375668B1 (ko) * | 2008-03-17 | 2014-03-18 | 삼성전자주식회사 | 변환 계수의 부호화, 복호화 방법 및 장치 |
| US7932843B2 (en) * | 2008-10-17 | 2011-04-26 | Texas Instruments Incorporated | Parallel CABAC decoding for video decompression |
| EP2257072A1 (en) | 2009-05-27 | 2010-12-01 | Nxp B.V. | Image and video coding |
| TW201132129A (en) * | 2009-08-06 | 2011-09-16 | Panasonic Corp | Encoding method, decoding method, encoding device and decoding device |
| US9793921B2 (en) | 2010-05-12 | 2017-10-17 | Thomson Licensing Dtv | Methods and apparatus for unified significance map coding |
| WO2012044075A2 (ko) | 2010-09-28 | 2012-04-05 | 삼성전자 주식회사 | 영상의 변환 방법 및 장치, 역변환 방법 및 장치 |
| US9378185B2 (en) | 2010-09-30 | 2016-06-28 | Texas Instruments Incorporated | Transform and quantization architecture for video coding and decoding |
| US20130003856A1 (en) | 2011-07-01 | 2013-01-03 | Samsung Electronics Co. Ltd. | Mode-dependent transforms for residual coding with low latency |
| US10642921B2 (en) | 2011-11-03 | 2020-05-05 | Texas Instruments Incorporated | Unified forward and inverse transform architecture |
| TW201335769A (zh) | 2011-11-07 | 2013-09-01 | Vid Scale Inc | 使用奇偶整數轉換影像處理 |
| US9179162B2 (en) | 2011-12-02 | 2015-11-03 | Futurewei Technologies, Inc. | Image transform zero coefficient selection and zero-skip transmission for arbitrary shape transform coding |
-
2011
- 2011-09-29 US US13/249,079 patent/US8913666B2/en active Active
- 2011-09-29 US US13/249,020 patent/US8902988B2/en not_active Expired - Fee Related
- 2011-09-30 UA UAA201305700A patent/UA106937C2/uk unknown
- 2011-09-30 JP JP2013531941A patent/JP5788517B2/ja active Active
- 2011-09-30 CA CA2812313A patent/CA2812313C/en active Active
- 2011-09-30 KR KR1020137011349A patent/KR101528085B1/ko active Active
- 2011-09-30 DK DK11768258T patent/DK2622861T3/da active
- 2011-09-30 WO PCT/US2011/054425 patent/WO2012045041A1/en not_active Ceased
- 2011-09-30 ES ES11768258T patent/ES2761301T3/es active Active
- 2011-09-30 PL PL11768258T patent/PL2622861T3/pl unknown
- 2011-09-30 AU AU2011308538A patent/AU2011308538B2/en active Active
- 2011-09-30 SG SG2013020912A patent/SG189037A1/en unknown
- 2011-09-30 CN CN201180050442.1A patent/CN103181169B/zh active Active
- 2011-09-30 PH PH1/2013/500611A patent/PH12013500611A1/en unknown
- 2011-09-30 WO PCT/US2011/054418 patent/WO2012045037A2/en not_active Ceased
- 2011-09-30 SI SI201131821T patent/SI2622861T1/sl unknown
- 2011-09-30 MY MYPI2013001131A patent/MY168311A/en unknown
- 2011-09-30 EP EP11768258.3A patent/EP2622861B1/en active Active
- 2011-09-30 HU HUE11768258A patent/HUE046649T2/hu unknown
- 2011-09-30 BR BR112013007302-0A patent/BR112013007302B1/pt active IP Right Grant
- 2011-09-30 PT PT117682583T patent/PT2622861T/pt unknown
- 2011-09-30 RU RU2013119914/08A patent/RU2556465C2/ru active
-
2013
- 2013-03-21 IL IL225401A patent/IL225401A/en active IP Right Grant
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2812313C (en) | Entropy coding coefficients using a joint context model | |
| US11330272B2 (en) | Using a most probable scanning order to efficiently code scanning order information for a video block in video coding | |
| KR102796983B1 (ko) | 비디오 코딩을 위한 필터들에 대한 기하학적 변환들 | |
| US9247254B2 (en) | Non-square transforms in intra-prediction video coding | |
| EP2622577B1 (en) | Video coding using intra-prediction | |
| EP2647204B1 (en) | Coding the position of a last significant coefficient within a video block based on a scanning order for the block in video coding | |
| EP2647203B1 (en) | Separately coding the position of a last significant coefficient of a video block in video coding | |
| EP4478709A2 (en) | Most probable transform for intra prediction coding | |
| JP2013543317A5 (https=) | ||
| US20120163448A1 (en) | Coding the position of a last significant coefficient of a video block in video coding | |
| WO2012044886A1 (en) | Intra smoothing filter for video coding | |
| WO2012033673A1 (en) | Efficient coding of video parameters for weighted motion compensated prediction in video coding | |
| JP2014523710A (ja) | ビデオ・コーディングにおける直交形状変換をスキャンするためのデバイスおよび方法 | |
| HK1183190B (en) | Entropy coding coefficients using a joint context model | |
| HK1183190A (en) | Entropy coding coefficients using a joint context model | |
| HK40007991B (en) | Separately coding the position of a last significant coefficient of a video block in video coding | |
| HK40007991A (en) | Separately coding the position of a last significant coefficient of a video block in video coding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20130321 |