CN118450119A - 编码和解码方法以及相应的设备和介质 - Google Patents
编码和解码方法以及相应的设备和介质 Download PDFInfo
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- CN118450119A CN118450119A CN202410668853.6A CN202410668853A CN118450119A CN 118450119 A CN118450119 A CN 118450119A CN 202410668853 A CN202410668853 A CN 202410668853A CN 118450119 A CN118450119 A CN 118450119A
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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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
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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
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
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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
- H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
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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
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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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- 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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- H04N19/134—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
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- 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
- H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
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- 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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- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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- 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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- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
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- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
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- 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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- 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
- H04N19/96—Tree coding, e.g. quad-tree coding
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17306628.3 | 2017-11-23 | ||
| EP17306628.3A EP3490253A1 (en) | 2017-11-23 | 2017-11-23 | Encoding and decoding methods and corresponding devices |
| PCT/US2018/059579 WO2019103845A1 (en) | 2017-11-23 | 2018-11-07 | Encoding and decoding methods and corresponding devices |
| CN201880076009.7A CN111386702B (zh) | 2017-11-23 | 2018-11-07 | 编码和解码方法以及相应的设备 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880076009.7A Division CN111386702B (zh) | 2017-11-23 | 2018-11-07 | 编码和解码方法以及相应的设备 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118450119A true CN118450119A (zh) | 2024-08-06 |
Family
ID=60569848
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410668853.6A Pending CN118450119A (zh) | 2017-11-23 | 2018-11-07 | 编码和解码方法以及相应的设备和介质 |
| CN201880076009.7A Active CN111386702B (zh) | 2017-11-23 | 2018-11-07 | 编码和解码方法以及相应的设备 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880076009.7A Active CN111386702B (zh) | 2017-11-23 | 2018-11-07 | 编码和解码方法以及相应的设备 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US11695962B2 (https=) |
| EP (2) | EP3490253A1 (https=) |
| JP (1) | JP7398368B2 (https=) |
| KR (2) | KR102854715B1 (https=) |
| CN (2) | CN118450119A (https=) |
| IL (1) | IL274657B2 (https=) |
| WO (1) | WO2019103845A1 (https=) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11113846B2 (en) * | 2018-08-31 | 2021-09-07 | Hulu, LLC | Coefficient context modeling in video coding |
| 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 |
| US11202100B2 (en) * | 2019-03-11 | 2021-12-14 | Qualcomm Incorporated | Coefficient coding for transform skip mode |
| CN118540483A (zh) * | 2019-04-26 | 2024-08-23 | 松下电器(美国)知识产权公司 | 编码装置、解码装置和非暂时性计算机可读介质 |
| 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 |
| CN112449192B (zh) * | 2019-08-27 | 2022-09-16 | 杭州海康威视数字技术股份有限公司 | 解码方法、编码方法及装置 |
| CN120602646A (zh) * | 2019-08-31 | 2025-09-05 | Lg 电子株式会社 | 图像解码方法及其设备 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004512785A (ja) | 2000-10-24 | 2004-04-22 | アイボール ネットワークス インコーポレイテッド | Dctに基づくスケーラブルなビデオ圧縮 |
| JP4767992B2 (ja) | 2002-06-06 | 2011-09-07 | 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 |
| 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 |
| KR101739808B1 (ko) * | 2010-04-13 | 2017-05-25 | 지이 비디오 컴프레션, 엘엘씨 | 유효성 맵 및 변환 계수 블록의 코딩 |
| US8861599B2 (en) | 2011-03-08 | 2014-10-14 | Sony Corporation | Context reduction for last transform position coding |
| PL3343781T3 (pl) * | 2011-06-16 | 2022-03-28 | Ge Video Compression, Llc | Inicjalizacja kontekstu w kodowaniu entropijnym |
| US9392301B2 (en) | 2011-07-01 | 2016-07-12 | Qualcomm Incorporated | Context adaptive entropy coding for non-square blocks in video coding |
| JP5733590B2 (ja) * | 2011-07-15 | 2015-06-10 | モトローラ モビリティ エルエルシーMotorola Mobility Llc | 変換係数レベルを符号化するコンテキストモデリング技法 |
| WO2013102380A1 (en) | 2012-01-03 | 2013-07-11 | Mediatek Inc. | Method and apparatus for block-based significance map and significance group flag context selection |
| IL292629B2 (en) * | 2012-01-20 | 2024-04-01 | Ge Video Compression Llc | Transform coefficient coding |
| JP2013192118A (ja) * | 2012-03-14 | 2013-09-26 | Sharp Corp | 算術復号装置、画像復号装置、算術符号化装置、および画像符号化装置 |
| US9237344B2 (en) | 2012-03-22 | 2016-01-12 | Qualcomm Incorporated | Deriving context for last position coding for video coding |
| US9621921B2 (en) | 2012-04-16 | 2017-04-11 | Qualcomm Incorporated | Coefficient groups and coefficient coding for coefficient scans |
| GB2501535A (en) * | 2012-04-26 | 2013-10-30 | Sony Corp | Chrominance Processing in High Efficiency Video Codecs |
| US11233998B2 (en) * | 2015-05-29 | 2022-01-25 | Qualcomm Incorporated | Coding data using an enhanced context-adaptive binary arithmetic coding (CABAC) design |
| CN105141966B (zh) * | 2015-08-31 | 2018-04-24 | 哈尔滨工业大学 | 视频压缩中变换系数的上下文建模方法 |
| US10616604B2 (en) * | 2015-09-01 | 2020-04-07 | Qualcomm Incorporated | Coefficient level coding in video coding |
| WO2017041271A1 (en) * | 2015-09-10 | 2017-03-16 | Mediatek Singapore Pte. Ltd. | Efficient context modeling for coding a block of data |
| US10440399B2 (en) * | 2015-11-13 | 2019-10-08 | Qualcomm Incorporated | Coding sign information of video data |
| EP3306927A1 (en) | 2016-10-05 | 2018-04-11 | Thomson Licensing | Encoding and decoding methods and corresponding devices |
-
2017
- 2017-11-23 EP EP17306628.3A patent/EP3490253A1/en not_active Withdrawn
-
2018
- 2018-11-07 WO PCT/US2018/059579 patent/WO2019103845A1/en not_active Ceased
- 2018-11-07 JP JP2020526091A patent/JP7398368B2/ja active Active
- 2018-11-07 CN CN202410668853.6A patent/CN118450119A/zh active Pending
- 2018-11-07 EP EP18803848.3A patent/EP3714599A1/en active Pending
- 2018-11-07 KR KR1020207014480A patent/KR102854715B1/ko active Active
- 2018-11-07 KR KR1020257029059A patent/KR20250135344A/ko active Pending
- 2018-11-07 IL IL274657A patent/IL274657B2/en unknown
- 2018-11-07 US US16/766,361 patent/US11695962B2/en active Active
- 2018-11-07 CN CN201880076009.7A patent/CN111386702B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3714599A1 (en) | 2020-09-30 |
| JP7398368B2 (ja) | 2023-12-14 |
| US11695962B2 (en) | 2023-07-04 |
| JP2021504996A (ja) | 2021-02-15 |
| IL274657B1 (en) | 2023-12-01 |
| CN111386702B (zh) | 2024-06-11 |
| US20200382810A1 (en) | 2020-12-03 |
| KR20200090776A (ko) | 2020-07-29 |
| CN111386702A (zh) | 2020-07-07 |
| IL274657A (en) | 2020-06-30 |
| EP3490253A1 (en) | 2019-05-29 |
| WO2019103845A1 (en) | 2019-05-31 |
| IL274657B2 (en) | 2024-04-01 |
| KR20250135344A (ko) | 2025-09-12 |
| KR102854715B1 (ko) | 2025-09-04 |
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