CN109417627A - 用于最后系数编码的高级cabac上下文自适应的方法和装置 - Google Patents
用于最后系数编码的高级cabac上下文自适应的方法和装置 Download PDFInfo
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- CN109417627A CN109417627A CN201780042282.3A CN201780042282A CN109417627A CN 109417627 A CN109417627 A CN 109417627A CN 201780042282 A CN201780042282 A CN 201780042282A CN 109417627 A CN109417627 A CN 109417627A
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- H—ELECTRICITY
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- 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
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- 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]
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- 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
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- 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
- H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
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- 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
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
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- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/46—Embedding additional information in the video signal during the compression process
- H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
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- 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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16305918.1 | 2016-07-15 | ||
| EP16305918.1A EP3270594A1 (en) | 2016-07-15 | 2016-07-15 | Method and apparatus for advanced cabac context adaptation for last coefficient coding |
| PCT/EP2017/067602 WO2018011295A1 (en) | 2016-07-15 | 2017-07-12 | Method and apparatus for advanced cabac context adaptation for last coefficient coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109417627A true CN109417627A (zh) | 2019-03-01 |
Family
ID=56511499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780042282.3A Pending CN109417627A (zh) | 2016-07-15 | 2017-07-12 | 用于最后系数编码的高级cabac上下文自适应的方法和装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20190253735A1 (https=) |
| EP (2) | EP3270594A1 (https=) |
| JP (1) | JP2019525576A (https=) |
| KR (1) | KR20190033521A (https=) |
| CN (1) | CN109417627A (https=) |
| WO (1) | WO2018011295A1 (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114930826A (zh) * | 2020-01-07 | 2022-08-19 | 高通股份有限公司 | 用于视频编解码中最后位置编解码的坐标的上下文推导和熵编解码初始化参数 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3270595A1 (en) | 2016-07-15 | 2018-01-17 | Thomson Licensing | Method and apparatus for last coefficient coding for adaptive transform based video compression |
| KR102558015B1 (ko) * | 2017-04-13 | 2023-07-21 | 엘지전자 주식회사 | 영상의 부호화/복호화 방법 및 이를 위한 장치 |
| KR102509347B1 (ko) * | 2017-04-13 | 2023-03-14 | 엘지전자 주식회사 | 비디오 신호를 인코딩, 디코딩하는 방법 및 장치 |
| 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 |
| CN120358364A (zh) * | 2021-04-12 | 2025-07-22 | Oppo广东移动通信有限公司 | 系数编解码方法、编码器、解码器以及计算机存储介质 |
| EP4338417A4 (en) * | 2021-05-12 | 2025-03-26 | Nokia Technologies Oy | A method, an apparatus and a computer program product for video encoding and video decoding |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1689026A (zh) * | 2002-10-03 | 2005-10-26 | 诺基亚有限公司 | 用于自适应块变换的基于上下文的自适应可变长度编码 |
| WO2012139192A2 (en) * | 2011-04-15 | 2012-10-18 | Research In Motion Limited | Methods and devices for coding and decoding the position of the last significant coefficient |
| CN103098469A (zh) * | 2010-07-09 | 2013-05-08 | 三星电子株式会社 | 用于对变换系数进行熵编码/熵解码的方法和设备 |
| WO2013070610A1 (en) * | 2011-11-08 | 2013-05-16 | Qualcomm Incorporated | Context optimization for last significant coefficient position coding |
| CN104272735A (zh) * | 2013-01-16 | 2015-01-07 | 黑莓有限公司 | 针对视频的上下文自适应二进制熵编码的变换系数编码 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| US10123053B2 (en) * | 2011-05-23 | 2018-11-06 | Texas Instruments Incorporated | Acceleration of bypass binary symbol processing in video coding |
| CA2806796C (en) * | 2011-06-24 | 2020-08-25 | Panasonic Corporation | Image coding and decoding using two-part horizontal and two-part vertical components of motion difference vectors |
| US9491469B2 (en) * | 2011-06-28 | 2016-11-08 | Qualcomm Incorporated | Coding of last significant transform coefficient |
| US9807426B2 (en) * | 2011-07-01 | 2017-10-31 | Qualcomm Incorporated | Applying non-square transforms to video data |
| 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 |
| US9253481B2 (en) * | 2012-01-13 | 2016-02-02 | Qualcomm Incorporated | Determining contexts for coding transform coefficient data in video coding |
| AU2013268588B2 (en) * | 2012-06-01 | 2017-03-02 | Sharp Kabushiki Kaisha | Arithmetic decoding device, image decoding device, arithmetic encoding device, and image encoding device |
| CN104380737B (zh) * | 2012-06-22 | 2018-10-26 | 夏普株式会社 | 算术解码装置 |
| JP6197496B2 (ja) * | 2013-08-30 | 2017-09-20 | 富士通株式会社 | 量子化装置、量子化方法および量子化プログラム |
-
2016
- 2016-07-15 EP EP16305918.1A patent/EP3270594A1/en not_active Withdrawn
-
2017
- 2017-07-12 JP JP2019500820A patent/JP2019525576A/ja not_active Withdrawn
- 2017-07-12 KR KR1020197001243A patent/KR20190033521A/ko not_active Withdrawn
- 2017-07-12 CN CN201780042282.3A patent/CN109417627A/zh active Pending
- 2017-07-12 US US16/317,213 patent/US20190253735A1/en not_active Abandoned
- 2017-07-12 WO PCT/EP2017/067602 patent/WO2018011295A1/en not_active Ceased
- 2017-07-12 EP EP17742991.7A patent/EP3485642A1/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1689026A (zh) * | 2002-10-03 | 2005-10-26 | 诺基亚有限公司 | 用于自适应块变换的基于上下文的自适应可变长度编码 |
| CN103098469A (zh) * | 2010-07-09 | 2013-05-08 | 三星电子株式会社 | 用于对变换系数进行熵编码/熵解码的方法和设备 |
| WO2012139192A2 (en) * | 2011-04-15 | 2012-10-18 | Research In Motion Limited | Methods and devices for coding and decoding the position of the last significant coefficient |
| WO2013070610A1 (en) * | 2011-11-08 | 2013-05-16 | Qualcomm Incorporated | Context optimization for last significant coefficient position coding |
| CN104272735A (zh) * | 2013-01-16 | 2015-01-07 | 黑莓有限公司 | 针对视频的上下文自适应二进制熵编码的变换系数编码 |
Non-Patent Citations (1)
| Title |
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| A. FULDSETH等: "CE10: Core transform design for HEVC", 《JCTVC-F446》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114930826A (zh) * | 2020-01-07 | 2022-08-19 | 高通股份有限公司 | 用于视频编解码中最后位置编解码的坐标的上下文推导和熵编解码初始化参数 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3270594A1 (en) | 2018-01-17 |
| US20190253735A1 (en) | 2019-08-15 |
| KR20190033521A (ko) | 2019-03-29 |
| WO2018011295A1 (en) | 2018-01-18 |
| JP2019525576A (ja) | 2019-09-05 |
| EP3485642A1 (en) | 2019-05-22 |
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