JP7398368B2 - 符号化及び復号化方法並びに対応デバイス - Google Patents
符号化及び復号化方法並びに対応デバイス Download PDFInfo
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- JP7398368B2 JP7398368B2 JP2020526091A JP2020526091A JP7398368B2 JP 7398368 B2 JP7398368 B2 JP 7398368B2 JP 2020526091 A JP2020526091 A JP 2020526091A JP 2020526091 A JP2020526091 A JP 2020526091A JP 7398368 B2 JP7398368 B2 JP 7398368B2
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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
- H04N19/102—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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- 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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- 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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Applications Claiming Priority (3)
| 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 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021504996A JP2021504996A (ja) | 2021-02-15 |
| JP2021504996A5 JP2021504996A5 (https=) | 2021-12-09 |
| JP7398368B2 true JP7398368B2 (ja) | 2023-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020526091A Active JP7398368B2 (ja) | 2017-11-23 | 2018-11-07 | 符号化及び復号化方法並びに対応デバイス |
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 |
Citations (6)
| 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 |
| JP2008259224A (ja) | 2002-06-06 | 2008-10-23 | Matsushita Electric Ind Co Ltd | 可変長符号化方法および可変長復号化方法 |
| 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 |
| JP2015513291A (ja) | 2012-04-16 | 2015-04-30 | クゥアルコム・インコーポレイテッドQualcomm Incorporated | 係数走査のための係数グループおよび係数コーディング |
| US20150172652A1 (en) | 2012-04-26 | 2015-06-18 | Sony Corporation | Mode-dependent coefficient scanning and directional transforms for different colour sampling formats |
| US20160353112A1 (en) | 2015-05-29 | 2016-12-01 | Qualcomm Incorporated | Coding data using an enhanced context-adaptive binary arithmetic coding (cabac) design |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US9237344B2 (en) | 2012-03-22 | 2016-01-12 | Qualcomm Incorporated | Deriving context for last position coding for video coding |
| 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
Patent Citations (6)
| 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 |
| JP2008259224A (ja) | 2002-06-06 | 2008-10-23 | Matsushita Electric Ind Co Ltd | 可変長符号化方法および可変長復号化方法 |
| 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 |
| JP2015513291A (ja) | 2012-04-16 | 2015-04-30 | クゥアルコム・インコーポレイテッドQualcomm Incorporated | 係数走査のための係数グループおよび係数コーディング |
| US20150172652A1 (en) | 2012-04-26 | 2015-06-18 | Sony Corporation | Mode-dependent coefficient scanning and directional transforms for different colour sampling formats |
| US20160353112A1 (en) | 2015-05-29 | 2016-12-01 | Qualcomm Incorporated | Coding data using an enhanced context-adaptive binary arithmetic coding (cabac) design |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3714599A1 (en) | 2020-09-30 |
| 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 |
| CN118450119A (zh) | 2024-08-06 |
| KR102854715B1 (ko) | 2025-09-04 |
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