BR112021013117A2 - Aparelho para decodificar e codificar uma imagem usando codificação preditiva e codificação residual de transformada com base em bloco, métodos e fluxo de dados - Google Patents
Aparelho para decodificar e codificar uma imagem usando codificação preditiva e codificação residual de transformada com base em bloco, métodos e fluxo de dados Download PDFInfo
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- BR112021013117A2 BR112021013117A2 BR112021013117-5A BR112021013117A BR112021013117A2 BR 112021013117 A2 BR112021013117 A2 BR 112021013117A2 BR 112021013117 A BR112021013117 A BR 112021013117A BR 112021013117 A2 BR112021013117 A2 BR 112021013117A2
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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
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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
- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
-
- 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]
-
- 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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- 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
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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
- H04N19/169—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
- 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
- H04N19/18—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
- H04N19/46—Embedding additional information in the video signal during the compression process
-
- 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
- H04N19/46—Embedding additional information in the video signal during the compression process
- H04N19/467—Embedding additional information in the video signal during the compression process characterised by the embedded information being invisible, e.g. watermarking
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
-
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
-
- 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
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- 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]
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19150112.1 | 2019-01-02 | ||
| EP19150112 | 2019-01-02 | ||
| EP19162406.3 | 2019-03-12 | ||
| EP19162406 | 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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112021013117A2 true BR112021013117A2 (pt) | 2021-09-21 |
Family
ID=68965917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112021013117-5A BR112021013117A2 (pt) | 2019-01-02 | 2019-12-30 | Aparelho para decodificar e codificar uma imagem usando codificação preditiva e codificação residual de transformada com base em bloco, métodos e fluxo de dados |
Country Status (9)
| Country | Link |
|---|---|
| US (4) | US11706413B2 (https=) |
| EP (1) | EP3906671A2 (https=) |
| JP (4) | JP7245341B2 (https=) |
| KR (2) | KR20250073487A (https=) |
| CN (4) | CN119094746A (https=) |
| BR (1) | BR112021013117A2 (https=) |
| MX (4) | MX2021008056A (https=) |
| TW (3) | TW202510569A (https=) |
| WO (1) | WO2020141159A2 (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023167750A1 (en) * | 2022-03-01 | 2023-09-07 | Tencent America LLC | Coefficient sign prediction for transform skip |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113316934B (zh) * | 2019-01-25 | 2024-03-08 | 寰发股份有限公司 | 带有变换块级别约束的变换系数编码的方法和设备 |
| WO2021071188A1 (ko) * | 2019-10-07 | 2021-04-15 | 엘지전자 주식회사 | 비디오/영상 코딩 시스템에서 엔트로피 코딩 방법 및 장치 |
| JP7288149B2 (ja) * | 2020-02-05 | 2023-06-06 | エルジー エレクトロニクス インコーポレイティド | 画像コーディングシステムにおけるレジデュアルコーディングに対する画像デコード方法及びその装置 |
| WO2022191947A1 (en) * | 2021-03-09 | 2022-09-15 | Innopeak Technology, Inc. | State based dependent quantization and residual coding in video coding |
| US12439095B2 (en) * | 2021-04-16 | 2025-10-07 | Tencent America LLC | Entropy coding of sign map for transform coefficients |
| US20240205439A1 (en) * | 2021-06-29 | 2024-06-20 | 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 |
| CN116600130B (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 |
| US20250392754A1 (en) * | 2022-01-27 | 2025-12-25 | Industry Academy Cooperation Foundation Of Sejong University | Video encoding/decoding method and apparatus |
| US20250317564A1 (en) * | 2022-05-06 | 2025-10-09 | 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 |
| EP1478190B1 (en) | 2002-04-26 | 2013-01-02 | NTT DoCoMo, Inc. | Image encoding device, image encoding method, and image encoding program |
| US8885714B2 (en) | 2010-01-14 | 2014-11-11 | Texas Instruments Incorporated | Method and system for intracoding in video encoding |
| ES2912048T3 (es) * | 2010-04-13 | 2022-05-24 | Ge Video Compression Llc | Codificación de mapas de significado y bloques de coeficiente de transformada |
| US9641846B2 (en) * | 2010-10-22 | 2017-05-02 | Qualcomm Incorporated | Adaptive scanning of transform coefficients for video coding |
| US10499059B2 (en) * | 2011-03-08 | 2019-12-03 | Velos Media, Llc | Coding of transform coefficients for 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 |
| RU2708967C2 (ru) * | 2012-01-20 | 2019-12-12 | ДжиИ Видео Компрешн, ЭлЭлСи | Кодирование коэффициентов преобразования |
| EP2866443A4 (en) * | 2012-06-22 | 2016-06-15 | Sharp Kk | ARITHMETIC DECODING DEVICE, ARITHMETIC CODING DEVICE, IMAGE DECODING DEVICE AND IMAGE DEVICES |
| 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 |
| US10057578B2 (en) * | 2014-10-07 | 2018-08-21 | 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 |
| WO2017043760A1 (ko) * | 2015-09-08 | 2017-03-16 | 삼성전자 주식회사 | 엔트로피 부호화 및 복호화를 위한 장치 및 방법 |
| US10547872B2 (en) * | 2015-09-10 | 2020-01-28 | Samsung Electronics Co., Ltd. | Encoding device, decoding device, and encoding method and decoding method thereof |
| US10491922B2 (en) * | 2015-09-29 | 2019-11-26 | Qualcomm Incorporated | Non-separable secondary transform for video coding |
| 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 |
| CN111837389A (zh) * | 2018-03-07 | 2020-10-27 | 华为技术有限公司 | 适用于多符号位隐藏的块检测方法及装置 |
| TWI731322B (zh) * | 2018-03-29 | 2021-06-21 | 弗勞恩霍夫爾協會 | 變換組 |
| JP7219775B2 (ja) * | 2018-03-29 | 2023-02-08 | フラウンホファー ゲセルシャフト ツール フェールデルンク ダー アンゲヴァンテン フォルシュンク エー．ファオ． | 変換係数ブロック・コーディング |
| 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 |
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2019
- 2019-12-30 KR KR1020257014450A patent/KR20250073487A/ko 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 BR BR112021013117-5A patent/BR112021013117A2/pt unknown
- 2019-12-30 MX MX2021008056A patent/MX2021008056A/es unknown
- 2019-12-30 EP EP19823915.4A patent/EP3906671A2/en active Pending
- 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 JP JP2021538944A patent/JP7245341B2/ja active Active
- 2019-12-30 CN CN202411241109.4A patent/CN119094747A/zh active Pending
- 2019-12-30 CN CN202411241115.XA patent/CN119094748A/zh active Pending
- 2019-12-31 TW TW113141624A patent/TW202510569A/zh unknown
- 2019-12-31 TW TW111114045A patent/TWI857291B/zh active
- 2019-12-31 TW TW108148686A patent/TWI764077B/zh active
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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 MX2025011846A patent/MX2025011846A/es unknown
- 2021-07-01 MX MX2025011845A patent/MX2025011845A/es unknown
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2023
- 2023-01-11 JP JP2023002370A patent/JP7459319B2/ja active Active
- 2023-06-13 US US18/208,952 patent/US12003723B2/en active Active
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2024
- 2024-03-19 JP JP2024043735A patent/JP7783323B2/ja active Active
- 2024-05-14 US US18/663,415 patent/US12445610B2/en active Active
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2025
- 2025-09-12 US US19/327,499 patent/US20260012598A1/en active Pending
- 2025-11-27 JP JP2025207076A patent/JP2026032184A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023167750A1 (en) * | 2022-03-01 | 2023-09-07 | Tencent America LLC | Coefficient sign prediction for transform skip |
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