JP2024069597A5 - - Google Patents
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- JP2024069597A5 JP2024069597A5 JP2024043735A JP2024043735A JP2024069597A5 JP 2024069597 A5 JP2024069597 A5 JP 2024069597A5 JP 2024043735 A JP2024043735 A JP 2024043735A JP 2024043735 A JP2024043735 A JP 2024043735A JP 2024069597 A5 JP2024069597 A5 JP 2024069597A5
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- JP
- Japan
- Prior art keywords
- transform
- coefficient
- adjacent
- identity
- current coefficient
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2025207076A JP2026032184A (ja) | 2019-01-02 | 2025-11-27 | 統合変換タイプ通知および変換タイプ依存変換係数レベルコーディング |
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19150112.1 | 2019-01-02 | ||
| EP19150112 | 2019-01-02 | ||
| EP19162406 | 2019-03-12 | ||
| EP19162406.3 | 2019-03-12 | ||
| PCT/EP2019/087162 WO2020141159A2 (en) | 2019-01-02 | 2019-12-30 | Unified transform type signaling and transform type dependent transform coefficient level coding |
| JP2021538944A JP7245341B2 (ja) | 2019-01-02 | 2019-12-30 | 統合変換タイプ通知および変換タイプ依存変換係数レベルコーディング |
| JP2023002370A JP7459319B2 (ja) | 2019-01-02 | 2023-01-11 | 統合変換タイプ通知および変換タイプ依存変換係数レベルコーディング |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023002370A Division JP7459319B2 (ja) | 2019-01-02 | 2023-01-11 | 統合変換タイプ通知および変換タイプ依存変換係数レベルコーディング |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2025207076A Division JP2026032184A (ja) | 2019-01-02 | 2025-11-27 | 統合変換タイプ通知および変換タイプ依存変換係数レベルコーディング |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2024069597A JP2024069597A (ja) | 2024-05-21 |
| JP2024069597A5 true JP2024069597A5 (https=) | 2024-08-19 |
| JP7783323B2 JP7783323B2 (ja) | 2025-12-09 |
Family
ID=68965917
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021538944A Active JP7245341B2 (ja) | 2019-01-02 | 2019-12-30 | 統合変換タイプ通知および変換タイプ依存変換係数レベルコーディング |
| JP2023002370A Active JP7459319B2 (ja) | 2019-01-02 | 2023-01-11 | 統合変換タイプ通知および変換タイプ依存変換係数レベルコーディング |
| JP2024043735A Active JP7783323B2 (ja) | 2019-01-02 | 2024-03-19 | 統合変換タイプ通知および変換タイプ依存変換係数レベルコーディング |
| JP2025207076A Pending JP2026032184A (ja) | 2019-01-02 | 2025-11-27 | 統合変換タイプ通知および変換タイプ依存変換係数レベルコーディング |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021538944A Active JP7245341B2 (ja) | 2019-01-02 | 2019-12-30 | 統合変換タイプ通知および変換タイプ依存変換係数レベルコーディング |
| JP2023002370A Active JP7459319B2 (ja) | 2019-01-02 | 2023-01-11 | 統合変換タイプ通知および変換タイプ依存変換係数レベルコーディング |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2025207076A Pending JP2026032184A (ja) | 2019-01-02 | 2025-11-27 | 統合変換タイプ通知および変換タイプ依存変換係数レベルコーディング |
Country Status (9)
| Country | Link |
|---|---|
| US (4) | US11706413B2 (https=) |
| EP (1) | EP3906671A2 (https=) |
| JP (4) | JP7245341B2 (https=) |
| KR (2) | KR102804263B1 (https=) |
| CN (4) | CN113519155B (https=) |
| BR (1) | BR112021013117A2 (https=) |
| MX (4) | MX2021008056A (https=) |
| TW (3) | TWI764077B (https=) |
| WO (1) | WO2020141159A2 (https=) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI737143B (zh) * | 2019-01-25 | 2021-08-21 | 聯發科技股份有限公司 | 帶有變換塊級別約束的變換係數編碼的方法和設備 |
| WO2021071188A1 (ko) * | 2019-10-07 | 2021-04-15 | 엘지전자 주식회사 | 비디오/영상 코딩 시스템에서 엔트로피 코딩 방법 및 장치 |
| CN116248901A (zh) * | 2020-02-05 | 2023-06-09 | Lg电子株式会社 | 用于图像编解码方法的编解码设备和发送图像数据的设备 |
| CN116918327A (zh) * | 2021-03-09 | 2023-10-20 | 创峰科技 | 视频编码中基于状态的依赖量化和残差编码 |
| US12439095B2 (en) * | 2021-04-16 | 2025-10-07 | Tencent America LLC | Entropy coding of sign map for transform coefficients |
| WO2023274688A1 (en) * | 2021-06-29 | 2023-01-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Independent subpicture film grain |
| US12003731B2 (en) * | 2021-09-29 | 2024-06-04 | Qualcomm Incorporated | Adaptive determination of multiple transform candidates for video coding |
| WO2023056190A1 (en) * | 2021-09-29 | 2023-04-06 | Qualcomm Incorporated | Adaptive determination of multiple transform candidates for video coding |
| US12108056B2 (en) * | 2022-01-18 | 2024-10-01 | Tencent Americal Llc | Signalling of EOB for one dimensional transform skip |
| CN116074525B (zh) * | 2022-01-19 | 2024-10-29 | 杭州海康威视数字技术股份有限公司 | 一种系数解码方法、装置、图像解码器及电子设备 |
| WO2023146358A1 (ko) * | 2022-01-27 | 2023-08-03 | 세종대학교 산학협력단 | 영상 부호화/복호화 방법 및 장치 |
| US12464132B2 (en) * | 2022-03-01 | 2025-11-04 | Tencent America LLC | Coefficient sign prediction for transform skip |
| WO2023213991A1 (en) * | 2022-05-06 | 2023-11-09 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Usage of coded subblock flags along with transform switching including a transform skip mode |
| US12452462B2 (en) * | 2022-07-05 | 2025-10-21 | Tencent America LLC | Systems and methods including syntax design for multi-symbol arithmetic coding |
| CN116527904B (zh) * | 2023-07-03 | 2023-09-12 | 鹏城实验室 | 熵编码方法、熵解码方法及相关装置 |
| US20250234044A1 (en) * | 2024-01-11 | 2025-07-17 | Qualcomm Incorporated | Coefficient coding scans and contexts for video coding |
| US20250233992A1 (en) * | 2024-01-12 | 2025-07-17 | Tencent America LLC | List construction and signaling of transform types and transform sets |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6529634B1 (en) * | 1999-11-08 | 2003-03-04 | Qualcomm, Inc. | Contrast sensitive variance based adaptive block size DCT image compression |
| US7596279B2 (en) | 2002-04-26 | 2009-09-29 | Ntt Docomo, Inc. | Image encoding device, image decoding device, image encoding method, image decoding method, image encoding program, and image decoding program |
| US8885714B2 (en) | 2010-01-14 | 2014-11-11 | Texas Instruments Incorporated | Method and system for intracoding in video encoding |
| KR101739808B1 (ko) * | 2010-04-13 | 2017-05-25 | 지이 비디오 컴프레션, 엘엘씨 | 유효성 맵 및 변환 계수 블록의 코딩 |
| US9641846B2 (en) * | 2010-10-22 | 2017-05-02 | Qualcomm Incorporated | Adaptive scanning of transform coefficients for video coding |
| US10397577B2 (en) | 2011-03-08 | 2019-08-27 | Velos Media, Llc | Inverse scan order for significance map coding of transform coefficients in video coding |
| US9747255B2 (en) * | 2011-05-13 | 2017-08-29 | Texas Instruments Incorporated | Inverse transformation using pruning for video coding |
| US20130101047A1 (en) | 2011-10-19 | 2013-04-25 | Sony Corporation | Context reduction of significance map coding of 4x4 and 8x8 transform coefficient in hm4.0 |
| US10390046B2 (en) * | 2011-11-07 | 2019-08-20 | Qualcomm Incorporated | Coding significant coefficient information in transform skip mode |
| IL292629B2 (en) * | 2012-01-20 | 2024-04-01 | Ge Video Compression Llc | Transform coefficient coding |
| CN104380737B (zh) * | 2012-06-22 | 2018-10-26 | 夏普株式会社 | 算术解码装置 |
| AU2012232992A1 (en) * | 2012-09-28 | 2014-04-17 | Canon Kabushiki Kaisha | Method, apparatus and system for encoding and decoding the transform units of a coding unit |
| US9247255B2 (en) * | 2013-02-28 | 2016-01-26 | Research & Business Foundation Sungkyunkwan University | Method and apparatus for image encoding/decoding |
| US9883184B2 (en) * | 2014-10-07 | 2018-01-30 | Qualcomm Incorporated | QP derivation and offset for adaptive color transform in video coding |
| US10306229B2 (en) * | 2015-01-26 | 2019-05-28 | Qualcomm Incorporated | Enhanced multiple transforms for prediction residual |
| JP2018530211A (ja) * | 2015-09-08 | 2018-10-11 | サムスン エレクトロニクス カンパニー リミテッド | エントロピー符号化及び復号化のための装置及び方法 |
| EP3300366A4 (en) * | 2015-09-10 | 2018-06-20 | Samsung Electronics Co., Ltd. | Encoding device, decoding device, and encoding method and decoding method thereof |
| US10681379B2 (en) * | 2015-09-29 | 2020-06-09 | Qualcomm Incorporated | Non-separable secondary transform for video coding with reorganizing |
| CN114449272B (zh) * | 2017-07-04 | 2023-09-26 | 三星电子株式会社 | 使用多核变换的视频解码/编码方法和设备 |
| EP3738309B1 (en) * | 2018-03-07 | 2025-01-01 | Huawei Technologies Co., Ltd. | Method and apparatus for detecting blocks suitable for multiple sign bit hiding |
| TWI791222B (zh) * | 2018-03-29 | 2023-02-01 | 弗勞恩霍夫爾協會 | 變換集合 |
| KR102636388B1 (ko) * | 2018-03-29 | 2024-02-15 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 변환 계수 블록 코딩 |
| JP2020053924A (ja) * | 2018-09-28 | 2020-04-02 | シャープ株式会社 | 動画像符号化装置、動画像復号装置 |
-
2019
- 2019-12-30 EP EP19823915.4A patent/EP3906671A2/en active Pending
- 2019-12-30 BR BR112021013117-5A patent/BR112021013117A2/pt unknown
- 2019-12-30 CN CN201980093433.7A patent/CN113519155B/zh active Active
- 2019-12-30 WO PCT/EP2019/087162 patent/WO2020141159A2/en not_active Ceased
- 2019-12-30 MX MX2021008056A patent/MX2021008056A/es unknown
- 2019-12-30 CN CN202411241109.4A patent/CN119094747A/zh active Pending
- 2019-12-30 CN CN202411241103.7A patent/CN119094746A/zh active Pending
- 2019-12-30 KR KR1020217024273A patent/KR102804263B1/ko active Active
- 2019-12-30 CN CN202411241115.XA patent/CN119094748A/zh active Pending
- 2019-12-30 KR KR1020257014450A patent/KR20250073487A/ko active Pending
- 2019-12-30 JP JP2021538944A patent/JP7245341B2/ja active Active
- 2019-12-31 TW TW108148686A patent/TWI764077B/zh active
- 2019-12-31 TW TW113141624A patent/TW202510569A/zh unknown
- 2019-12-31 TW TW111114045A patent/TWI857291B/zh active
-
2021
- 2021-06-29 US US17/362,869 patent/US11706413B2/en active Active
- 2021-07-01 MX MX2025011848A patent/MX2025011848A/es unknown
- 2021-07-01 MX MX2025011845A patent/MX2025011845A/es unknown
- 2021-07-01 MX MX2025011846A patent/MX2025011846A/es unknown
-
2023
- 2023-01-11 JP JP2023002370A patent/JP7459319B2/ja active Active
- 2023-06-13 US US18/208,952 patent/US12003723B2/en active Active
-
2024
- 2024-03-19 JP JP2024043735A patent/JP7783323B2/ja active Active
- 2024-05-14 US US18/663,415 patent/US12445610B2/en active Active
-
2025
- 2025-09-12 US US19/327,499 patent/US20260012598A1/en active Pending
- 2025-11-27 JP JP2025207076A patent/JP2026032184A/ja active Pending
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