BR112022014652A2 - Método, aparelho e sistema para codificar e decodificar um bloco de amostras de vídeo - Google Patents
Método, aparelho e sistema para codificar e decodificar um bloco de amostras de vídeoInfo
- Publication number
- BR112022014652A2 BR112022014652A2 BR112022014652A BR112022014652A BR112022014652A2 BR 112022014652 A2 BR112022014652 A2 BR 112022014652A2 BR 112022014652 A BR112022014652 A BR 112022014652A BR 112022014652 A BR112022014652 A BR 112022014652A BR 112022014652 A2 BR112022014652 A2 BR 112022014652A2
- Authority
- BR
- Brazil
- Prior art keywords
- block
- sub
- decoding
- equipment
- video samples
- Prior art date
Links
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
- H04N19/46—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
- H04N19/10—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
- H04N19/124—Quantisation
-
- 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
- H04N19/169—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
- H04N19/10—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
- H04N19/184—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 bits, e.g. of the compressed video stream
-
- 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
- H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
-
- 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
- H04N19/70—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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2020201753A AU2020201753B2 (en) | 2020-03-10 | 2020-03-10 | Method, apparatus and system for encoding and decoding a block of video samples |
| PCT/AU2020/051270 WO2021179034A1 (en) | 2020-03-10 | 2020-11-23 | Method, apparatus and system for encoding and decoding a block of video samples |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR112022014652A2 true BR112022014652A2 (pt) | 2022-09-20 |
Family
ID=77670368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112022014652A BR112022014652A2 (pt) | 2020-03-10 | 2020-11-23 | Método, aparelho e sistema para codificar e decodificar um bloco de amostras de vídeo |
Country Status (8)
| Country | Link |
|---|---|
| US (5) | US12256093B2 (enExample) |
| EP (1) | EP4118827A4 (enExample) |
| JP (3) | JP7441314B2 (enExample) |
| CN (6) | CN119583814A (enExample) |
| AU (1) | AU2020201753B2 (enExample) |
| BR (1) | BR112022014652A2 (enExample) |
| TW (1) | TWI813922B (enExample) |
| WO (1) | WO2021179034A1 (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12250407B2 (en) * | 2020-03-31 | 2025-03-11 | Lg Electronics Inc. | Image decoding method and device therefor |
| KR20220164750A (ko) * | 2020-03-31 | 2022-12-13 | 엘지전자 주식회사 | Tsrc 가용 플래그를 포함한 영상 정보를 코딩하는 영상 디코딩 방법 및 그 장치 |
| WO2022108421A1 (ko) * | 2020-11-23 | 2022-05-27 | 현대자동차주식회사 | 적응적 대체 모드를 이용한 영상 부호화 및 복호화 방법 |
| CN119452656A (zh) * | 2022-06-08 | 2025-02-14 | Oppo广东移动通信有限公司 | 视频编解码方法、装置、设备、系统及存储介质 |
| CN119487840A (zh) * | 2022-07-05 | 2025-02-18 | 联发科技股份有限公司 | 视频编解码的相依量化的方法和装置 |
| WO2024060099A1 (zh) * | 2022-09-21 | 2024-03-28 | Oppo广东移动通信有限公司 | 编解码方法、码流、编码器、解码器以及存储介质 |
| US12348747B2 (en) | 2023-04-25 | 2025-07-01 | Tencent America LLC | Implicit masked blending mode |
| US12477122B2 (en) | 2023-06-20 | 2025-11-18 | Tencent America LLC | Implicit masked blending mode improvement |
| US12284375B2 (en) | 2023-06-27 | 2025-04-22 | Tencent America LLC | Implicit masked blending mode improvement with high level syntax |
| WO2025113106A1 (en) * | 2023-12-01 | 2025-06-05 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method and apparatus for residual coefficient coding in video coding |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6134651B2 (ja) | 2011-12-28 | 2017-05-24 | シャープ株式会社 | 算術復号装置、算術符号化装置および算術復号方法 |
| US9008184B2 (en) | 2012-01-20 | 2015-04-14 | Blackberry Limited | Multiple sign bit hiding within a transform unit |
| EP3644611B1 (en) | 2012-01-20 | 2023-09-06 | Velos Media International Limited | Multiple sign bit hiding within a transform unit |
| US9313498B2 (en) * | 2012-04-16 | 2016-04-12 | Qualcomm Incorporated | Sign hiding techniques for quantized transform coefficients in video coding |
| US20130294524A1 (en) * | 2012-05-04 | 2013-11-07 | Qualcomm Incorporated | Transform skipping and lossless coding unification |
| JPWO2013190990A1 (ja) * | 2012-06-22 | 2016-05-26 | シャープ株式会社 | 算術復号装置、算術符号化装置、画像復号装置、および画像符号化装置 |
| CN104380740A (zh) * | 2012-06-29 | 2015-02-25 | 索尼公司 | 编码装置、编码方法、解码装置和解码方法 |
| US20140286413A1 (en) * | 2013-03-25 | 2014-09-25 | Qualcomm Incorporated | Disabling sign data hiding in video coding |
| US9456210B2 (en) * | 2013-10-11 | 2016-09-27 | Blackberry Limited | Sign coding for blocks with transform skipped |
| GB2521828A (en) | 2013-12-23 | 2015-07-08 | Sony Corp | Data encoding and decoding |
| US20170310999A1 (en) * | 2016-04-25 | 2017-10-26 | Magnum Semiconductor, Inc. | Method and apparatus for rate-distortion optimized coefficient quantization including sign data hiding |
| JP7469904B2 (ja) | 2020-02-21 | 2024-04-17 | シャープ株式会社 | 画像復号装置、画像符号化装置、画像復号方法及び画像符号化方法 |
| EP4114006A4 (en) | 2020-02-27 | 2024-02-28 | LG Electronics, Inc. | METHOD AND APPARATUS FOR DECODING IMAGING IN CONNECTION WITH CHARACTER DATA MASKING |
-
2020
- 2020-03-10 AU AU2020201753A patent/AU2020201753B2/en active Active
- 2020-11-23 EP EP20924439.1A patent/EP4118827A4/en active Pending
- 2020-11-23 CN CN202510069723.5A patent/CN119583814A/zh active Pending
- 2020-11-23 CN CN202510069714.6A patent/CN119562064A/zh active Pending
- 2020-11-23 JP JP2022535744A patent/JP7441314B2/ja active Active
- 2020-11-23 US US17/910,287 patent/US12256093B2/en active Active
- 2020-11-23 WO PCT/AU2020/051270 patent/WO2021179034A1/en not_active Ceased
- 2020-11-23 CN CN202080096139.4A patent/CN115088259B/zh active Active
- 2020-11-23 CN CN202510069712.7A patent/CN119562063A/zh active Pending
- 2020-11-23 CN CN202510069715.0A patent/CN119676452A/zh active Pending
- 2020-11-23 BR BR112022014652A patent/BR112022014652A2/pt unknown
- 2020-11-23 CN CN202510069718.4A patent/CN119583813A/zh active Pending
- 2020-11-26 TW TW109141583A patent/TWI813922B/zh active
-
2024
- 2024-02-14 JP JP2024020597A patent/JP7695422B2/ja active Active
-
2025
- 2025-01-31 US US19/042,645 patent/US20250184517A1/en active Pending
- 2025-01-31 US US19/042,661 patent/US20250184518A1/en active Pending
- 2025-01-31 US US19/042,625 patent/US20250184516A1/en active Pending
- 2025-01-31 US US19/042,697 patent/US20250184519A1/en active Pending
- 2025-05-23 JP JP2025086646A patent/JP2025119026A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| TWI813922B (zh) | 2023-09-01 |
| KR20220127337A (ko) | 2022-09-19 |
| JP7695422B2 (ja) | 2025-06-18 |
| TW202135530A (zh) | 2021-09-16 |
| CN119676452A (zh) | 2025-03-21 |
| US20250184518A1 (en) | 2025-06-05 |
| JP2025119026A (ja) | 2025-08-13 |
| CN115088259A (zh) | 2022-09-20 |
| US20250184517A1 (en) | 2025-06-05 |
| AU2020201753A1 (en) | 2021-09-30 |
| EP4118827A4 (en) | 2024-04-24 |
| US12256093B2 (en) | 2025-03-18 |
| JP2023513414A (ja) | 2023-03-31 |
| EP4118827A1 (en) | 2023-01-18 |
| US20250184519A1 (en) | 2025-06-05 |
| US20250184516A1 (en) | 2025-06-05 |
| CN119562063A (zh) | 2025-03-04 |
| WO2021179034A1 (en) | 2021-09-16 |
| CN119583814A (zh) | 2025-03-07 |
| JP7441314B2 (ja) | 2024-02-29 |
| JP2024054338A (ja) | 2024-04-16 |
| US20230140041A1 (en) | 2023-05-04 |
| CN115088259B (zh) | 2024-12-24 |
| CN119562064A (zh) | 2025-03-04 |
| AU2020201753B2 (en) | 2022-09-08 |
| CN119583813A (zh) | 2025-03-07 |
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