TWI764077B - 統一變換類型傳訊及變換類型相依變換係數位階寫碼技術 - Google Patents
統一變換類型傳訊及變換類型相依變換係數位階寫碼技術Info
- Publication number
- TWI764077B TWI764077B TW108148686A TW108148686A TWI764077B TW I764077 B TWI764077 B TW I764077B TW 108148686 A TW108148686 A TW 108148686A TW 108148686 A TW108148686 A TW 108148686A TW I764077 B TWI764077 B TW I764077B
- Authority
- TW
- Taiwan
- Prior art keywords
- transform
- predetermined
- block
- coefficients
- coefficient
- Prior art date
Links
Images
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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 (4)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW202027505A TW202027505A (zh) | 2020-07-16 |
| TWI764077B true TWI764077B (zh) | 2022-05-11 |
Family
ID=68965917
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW108148686A TWI764077B (zh) | 2019-01-02 | 2019-12-31 | 統一變換類型傳訊及變換類型相依變換係數位階寫碼技術 |
| TW113141624A TW202510569A (zh) | 2019-01-02 | 2019-12-31 | 統一變換類型傳訊及變換類型相依變換係數位階寫碼技術 |
| TW111114045A TWI857291B (zh) | 2019-01-02 | 2019-12-31 | 統一變換類型傳訊及變換類型相依變換係數位階寫碼技術 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW113141624A TW202510569A (zh) | 2019-01-02 | 2019-12-31 | 統一變換類型傳訊及變換類型相依變換係數位階寫碼技術 |
| TW111114045A TWI857291B (zh) | 2019-01-02 | 2019-12-31 | 統一變換類型傳訊及變換類型相依變換係數位階寫碼技術 |
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 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201626794A (zh) * | 2014-10-07 | 2016-07-16 | 高通公司 | 用於視訊寫碼中可適性顏色轉換之量化參數推導及偏移 |
Family Cites Families (22)
| 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 |
| 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
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201626794A (zh) * | 2014-10-07 | 2016-07-16 | 高通公司 | 用於視訊寫碼中可適性顏色轉換之量化參數推導及偏移 |
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI764077B (zh) | 統一變換類型傳訊及變換類型相依變換係數位階寫碼技術 | |
| TWI779306B (zh) | 包含用於框內子分區之寫碼之解碼器、編碼器及方法 | |
| US11451840B2 (en) | Trellis coded quantization coefficient coding | |
| CN103918273B (zh) | 确定用于变换系数的二进制码字的方法 | |
| CN113508585B (zh) | 用于视频译码中的调色板语法的分组译码 | |
| TW201545543A (zh) | 基於調色板之視訊寫碼 | |
| JP2015502080A (ja) | 最後有意係数の位置をコード化するためのコンテキスト最適化 | |
| US11695962B2 (en) | Encoding and decoding methods and corresponding devices | |
| JP7606019B2 (ja) | サンプルブロックの変換済み表現についてのコーディングコンセプト | |
| HK40112799A (zh) | 统一变换类型信令和变换类型相关的变换系数水平编码 | |
| HK40115911A (zh) | 统一变换类型信令和变换类型相关的变换系数水平编码 | |
| HK40115909A (zh) | 统一变换类型信令和变换类型相关的变换系数水平编码 | |
| US12355996B2 (en) | Encoding and decoding methods and corresponding devices | |
| HK40051990B (zh) | 使用阈值和莱斯参数进行系数解码的常规编译码二进制位缩减 |