CN105612750B - 用于在跳过变换的情况下对块的符号编码 - Google Patents
用于在跳过变换的情况下对块的符号编码 Download PDFInfo
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- CN105612750B CN105612750B CN201480055391.5A CN201480055391A CN105612750B CN 105612750 B CN105612750 B CN 105612750B CN 201480055391 A CN201480055391 A CN 201480055391A CN 105612750 B CN105612750 B CN 105612750B
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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
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
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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
- H04N19/134—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
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
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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
- H04N19/17—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
- 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
- H04N19/169—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
- 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
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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
- H04N19/60—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]
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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
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
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Abstract
Description
Claims (20)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/051,968 | 2013-10-11 | ||
US14/051,968 US9264724B2 (en) | 2013-10-11 | 2013-10-11 | Sign coding for blocks with transform skipped |
PCT/CA2014/050977 WO2015051460A1 (en) | 2013-10-11 | 2014-10-09 | Sign coding for blocks with transform skipped |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105612750A CN105612750A (zh) | 2016-05-25 |
CN105612750B true CN105612750B (zh) | 2019-09-06 |
Family
ID=52809642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201480055391.5A Active CN105612750B (zh) | 2013-10-11 | 2014-10-09 | 用于在跳过变换的情况下对块的符号编码 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9264724B2 (zh) |
EP (1) | EP3056000B1 (zh) |
CN (1) | CN105612750B (zh) |
HK (1) | HK1225779A1 (zh) |
WO (1) | WO2015051460A1 (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105160694B (zh) * | 2015-10-15 | 2017-05-03 | 深圳大学 | 一种数据隐藏方法及隐藏系统 |
WO2017151877A1 (en) | 2016-03-02 | 2017-09-08 | MatrixView, Inc. | Apparatus and method to improve image or video quality or encoding performance by enhancing discrete cosine transform coefficients |
CA3022221A1 (en) * | 2016-05-13 | 2017-11-16 | Sony Corporation | Apparatus and method for image processing for suppressing a reduction of coding efficiency |
US20180176582A1 (en) * | 2016-12-21 | 2018-06-21 | Qualcomm Incorporated | Low-complexity sign prediction for video coding |
KR102401851B1 (ko) * | 2017-06-14 | 2022-05-26 | 삼성디스플레이 주식회사 | 영상 압축 방법 및 이를 수행하는 표시 장치 |
CN109874012B (zh) * | 2017-12-04 | 2020-09-11 | 北京金山云网络技术有限公司 | 一种视频编码方法、编码器、电子设备及介质 |
GB2570711B (en) | 2018-02-05 | 2023-04-05 | Sony Corp | Data encoding and decoding |
WO2019190338A1 (en) * | 2018-03-26 | 2019-10-03 | Huawei Technologies Co., Ltd. | A video image encoder, a video image decoder and corresponding methods for motion information coding |
JP2022016726A (ja) * | 2018-11-16 | 2022-01-25 | ソニーグループ株式会社 | 画像処理装置および方法 |
WO2020189991A1 (ko) * | 2019-03-15 | 2020-09-24 | 엘지전자 주식회사 | 컨텍스트 코딩된 레지듀얼 정보 기반 영상 코딩 방법 및 장치 |
WO2021202676A1 (en) * | 2020-03-31 | 2021-10-07 | Alibaba Group Holding Limited | Methods for signaling residual coding method of transform skip blocks |
US11638036B2 (en) * | 2020-04-03 | 2023-04-25 | Qualcomm Incorporated | High-level constraints for transform skip blocks in video coding |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2677973A1 (en) * | 2007-03-07 | 2008-09-12 | Qualcomm Incorporated | Combined run-length coding of refinement and significant coefficients in scalable video coding enhancement layers |
CA2801767A1 (en) * | 2012-01-20 | 2013-07-20 | Research In Motion Limited | Multiple sign bit hiding within a transform unit |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9106913B2 (en) | 2011-03-08 | 2015-08-11 | Qualcomm Incorporated | Coding of transform coefficients for video coding |
US9008184B2 (en) * | 2012-01-20 | 2015-04-14 | Blackberry Limited | Multiple sign bit hiding within a transform unit |
US9313498B2 (en) * | 2012-04-16 | 2016-04-12 | Qualcomm Incorporated | Sign hiding techniques for quantized transform coefficients in video coding |
US20130294524A1 (en) * | 2012-05-04 | 2013-11-07 | Qualcomm Incorporated | Transform skipping and lossless coding unification |
US9307264B2 (en) * | 2012-06-22 | 2016-04-05 | Sharp Kabushiki Kaisha | Arithmetic decoding device, arithmetic coding device, image decoding apparatus, and image coding apparatus |
JPWO2014002896A1 (ja) * | 2012-06-29 | 2016-05-30 | ソニー株式会社 | 符号化装置および符号化方法、復号装置および復号方法 |
US20140286412A1 (en) * | 2013-03-25 | 2014-09-25 | Qualcomm Incorporated | Intra dc prediction for lossless coding in video coding |
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2013
- 2013-10-11 US US14/051,968 patent/US9264724B2/en active Active
-
2014
- 2014-10-09 EP EP14852091.9A patent/EP3056000B1/en active Active
- 2014-10-09 CN CN201480055391.5A patent/CN105612750B/zh active Active
- 2014-10-09 WO PCT/CA2014/050977 patent/WO2015051460A1/en active Application Filing
-
2016
- 2016-12-12 HK HK16114118A patent/HK1225779A1/zh unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2677973A1 (en) * | 2007-03-07 | 2008-09-12 | Qualcomm Incorporated | Combined run-length coding of refinement and significant coefficients in scalable video coding enhancement layers |
CA2801767A1 (en) * | 2012-01-20 | 2013-07-20 | Research In Motion Limited | Multiple sign bit hiding within a transform unit |
Non-Patent Citations (1)
Title |
---|
Overview of the High Efficiency Video Coding (HEVC)Standard;Gary J.Sullivan,Jens-Rainer Ohm;《IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY》;20121231;第22卷(第12期);全文 |
Also Published As
Publication number | Publication date |
---|---|
EP3056000B1 (en) | 2020-12-02 |
US20150103917A1 (en) | 2015-04-16 |
WO2015051460A1 (en) | 2015-04-16 |
US9264724B2 (en) | 2016-02-16 |
EP3056000A4 (en) | 2017-03-01 |
CN105612750A (zh) | 2016-05-25 |
HK1225779A1 (zh) | 2017-09-15 |
EP3056000A1 (en) | 2016-08-17 |
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