BR112021011060A2 - Codificação de escape para níveis de coeficiente - Google Patents
Codificação de escape para níveis de coeficiente Download PDFInfo
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- BR112021011060A2 BR112021011060A2 BR112021011060-7A BR112021011060A BR112021011060A2 BR 112021011060 A2 BR112021011060 A2 BR 112021011060A2 BR 112021011060 A BR112021011060 A BR 112021011060A BR 112021011060 A2 BR112021011060 A2 BR 112021011060A2
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- 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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- 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
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- 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
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- 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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Landscapes
- Engineering & Computer Science (AREA)
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Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962787707P | 2019-01-02 | 2019-01-02 | |
| US62/787,707 | 2019-01-02 | ||
| US16/732,008 US11477486B2 (en) | 2019-01-02 | 2019-12-31 | Escape coding for coefficient levels |
| US16/732,008 | 2019-12-31 | ||
| PCT/US2020/012054 WO2020142608A1 (en) | 2019-01-02 | 2020-01-02 | Escape coding for coefficient levels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112021011060A2 true BR112021011060A2 (pt) | 2021-08-31 |
Family
ID=71123535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112021011060-7A BR112021011060A2 (pt) | 2019-01-02 | 2020-01-02 | Codificação de escape para níveis de coeficiente |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US11477486B2 (https=) |
| EP (1) | EP3906679A1 (https=) |
| JP (1) | JP7509784B2 (https=) |
| KR (1) | KR20210107018A (https=) |
| CN (1) | CN113228654B (https=) |
| BR (1) | BR112021011060A2 (https=) |
| SG (1) | SG11202105292RA (https=) |
| TW (1) | TWI856996B (https=) |
| WO (1) | WO2020142608A1 (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220094939A1 (en) * | 2019-01-25 | 2022-03-24 | Mediatek Inc. | Method and Apparatus of Transform Coefficient Coding with TB-Level Constraint |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11477486B2 (en) | 2019-01-02 | 2022-10-18 | Qualcomm Incorporated | Escape coding for coefficient levels |
| US11269645B2 (en) * | 2020-03-11 | 2022-03-08 | Western Digital Technologies, Inc. | Storage system and method for implementing an encoder, decoder, and/or buffer using a field programmable gate array |
| CN119342228A (zh) * | 2021-10-06 | 2025-01-21 | Oppo广东移动通信有限公司 | 用于视频编码的基于历史的rice参数推导 |
| US11695965B1 (en) | 2022-10-13 | 2023-07-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Video coding using a coded picture buffer |
| US12532014B2 (en) * | 2023-04-20 | 2026-01-20 | Tencent America LLC | Context derivation for arithmetic coding of transform coefficients generated by non-separable transforms |
| WO2025075812A1 (en) * | 2023-10-06 | 2025-04-10 | Qualcomm Incorporated | Coefficient coding context selection for video coding |
| WO2025148495A1 (en) * | 2024-01-11 | 2025-07-17 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method and apparatus for coefficient coding in video coding |
| WO2025155765A1 (en) * | 2024-01-17 | 2025-07-24 | Netflix, Inc. | Techniques for avm coefficient encoding |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070201554A1 (en) * | 2006-02-24 | 2007-08-30 | Samsung Electronics Co., Ltd. | Video transcoding method and apparatus |
| US8213509B2 (en) * | 2006-10-06 | 2012-07-03 | Calos Fund Limited Liability Company | Video coding on parallel processing systems |
| JP2008252230A (ja) * | 2007-03-29 | 2008-10-16 | Toshiba Corp | 画像復号装置及び復号方法 |
| US20130083856A1 (en) * | 2011-06-29 | 2013-04-04 | Qualcomm Incorporated | Contexts for coefficient level coding in video compression |
| CN108471535A (zh) * | 2011-11-08 | 2018-08-31 | 三星电子株式会社 | 用于对视频进行解码的方法 |
| US10616581B2 (en) * | 2012-01-19 | 2020-04-07 | Huawei Technologies Co., Ltd. | Modified coding for a transform skipped block for CABAC in HEVC |
| US10873761B2 (en) * | 2012-04-13 | 2020-12-22 | Canon Kabushiki Kaisha | Method, apparatus and system for encoding and decoding a subset of transform units of encoded video data |
| RU2632409C1 (ru) * | 2012-04-15 | 2017-10-04 | Самсунг Электроникс Ко., Лтд. | Способ обновления параметров для энтропийного кодирования и декодирования уровня коэффициентов преобразования, а также устройство энтропийного кодирования и устройство энтропийного декодирования уровня коэффициентов преобразования с его использованием |
| GB2513111A (en) * | 2013-04-08 | 2014-10-22 | Sony Corp | Data encoding and decoding |
| US10021419B2 (en) * | 2013-07-12 | 2018-07-10 | Qualcomm Incorported | Rice parameter initialization for coefficient level coding in video coding process |
| GB2521828A (en) * | 2013-12-23 | 2015-07-08 | Sony Corp | Data encoding and decoding |
| US9930348B2 (en) * | 2014-03-14 | 2018-03-27 | Qualcomm Incorporated | Coefficient level coding in a video coding process |
| US10477204B2 (en) * | 2014-06-20 | 2019-11-12 | Sharp Kabushiki Kaisha | Harmonized palette coding |
| JP6476900B2 (ja) * | 2015-01-21 | 2019-03-06 | 富士通株式会社 | 動画像符号化装置、動画像符号化方法及び動画像符号化用コンピュータプログラム |
| US10616604B2 (en) * | 2015-09-01 | 2020-04-07 | Qualcomm Incorporated | Coefficient level coding in video coding |
| 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 |
| US10798397B2 (en) * | 2019-01-02 | 2020-10-06 | Tencent America LLC | Method and apparatus for video coding |
| US11477486B2 (en) | 2019-01-02 | 2022-10-18 | Qualcomm Incorporated | Escape coding for coefficient levels |
| EP4085636A4 (en) * | 2019-12-30 | 2024-01-24 | Beijing Dajia Internet Information Technology Co., Ltd. | RESIDUAL AND COEFFICIENT ENCODING FOR VIDEO CODING |
-
2019
- 2019-12-31 US US16/732,008 patent/US11477486B2/en active Active
-
2020
- 2020-01-02 JP JP2021538268A patent/JP7509784B2/ja active Active
- 2020-01-02 WO PCT/US2020/012054 patent/WO2020142608A1/en not_active Ceased
- 2020-01-02 TW TW109100111A patent/TWI856996B/zh active
- 2020-01-02 CN CN202080007433.3A patent/CN113228654B/zh active Active
- 2020-01-02 BR BR112021011060-7A patent/BR112021011060A2/pt unknown
- 2020-01-02 EP EP20702707.9A patent/EP3906679A1/en active Pending
- 2020-01-02 KR KR1020217019962A patent/KR20210107018A/ko active Pending
- 2020-01-02 SG SG11202105292RA patent/SG11202105292RA/en unknown
-
2022
- 2022-09-08 US US17/930,533 patent/US11785259B2/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220094939A1 (en) * | 2019-01-25 | 2022-03-24 | Mediatek Inc. | Method and Apparatus of Transform Coefficient Coding with TB-Level Constraint |
| US11595656B2 (en) * | 2019-01-25 | 2023-02-28 | Hfi Innovation Inc. | Method and apparatus of transform coefficient coding with TB-level constraint |
Also Published As
| Publication number | Publication date |
|---|---|
| US20220417563A1 (en) | 2022-12-29 |
| TW202032993A (zh) | 2020-09-01 |
| JP7509784B2 (ja) | 2024-07-02 |
| WO2020142608A1 (en) | 2020-07-09 |
| SG11202105292RA (en) | 2021-07-29 |
| EP3906679A1 (en) | 2021-11-10 |
| JP2022516132A (ja) | 2022-02-24 |
| CN113228654B (zh) | 2025-01-10 |
| US20200213623A1 (en) | 2020-07-02 |
| KR20210107018A (ko) | 2021-08-31 |
| US11477486B2 (en) | 2022-10-18 |
| CN113228654A (zh) | 2021-08-06 |
| TWI856996B (zh) | 2024-10-01 |
| US11785259B2 (en) | 2023-10-10 |
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