MX2024007341A - Prediccion de signo para codificacion de video basada en bloque. - Google Patents
Prediccion de signo para codificacion de video basada en bloque.Info
- Publication number
- MX2024007341A MX2024007341A MX2024007341A MX2024007341A MX2024007341A MX 2024007341 A MX2024007341 A MX 2024007341A MX 2024007341 A MX2024007341 A MX 2024007341A MX 2024007341 A MX2024007341 A MX 2024007341A MX 2024007341 A MX2024007341 A MX 2024007341A
- Authority
- MX
- Mexico
- Prior art keywords
- sequence
- sign
- transform coefficients
- signaling bits
- video
- 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
- H04N19/60—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
- H04N19/10—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
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
-
- 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
- H04N19/129—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
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- 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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202163290307P | 2021-12-16 | 2021-12-16 | |
| PCT/US2022/040442 WO2023023039A1 (en) | 2021-08-17 | 2022-08-16 | Sign prediction for block-based video coding |
| PCT/US2022/043607 WO2023043885A1 (en) | 2021-09-15 | 2022-09-15 | Sign prediction for block-based video coding |
| PCT/US2022/049264 WO2023086330A1 (en) | 2021-11-10 | 2022-11-08 | Sign prediction for block-based video coding |
| PCT/US2022/053150 WO2023114468A1 (en) | 2021-12-16 | 2022-12-16 | Sign prediction for block-based video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX2024007341A true MX2024007341A (es) | 2024-06-26 |
Family
ID=86773504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2024007341A MX2024007341A (es) | 2021-12-16 | 2022-12-16 | Prediccion de signo para codificacion de video basada en bloque. |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP4449722A4 (enExample) |
| JP (1) | JP2024546895A (enExample) |
| KR (1) | KR20240125959A (enExample) |
| MX (1) | MX2024007341A (enExample) |
| WO (1) | WO2023114468A1 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4748078A1 (en) * | 2023-07-18 | 2026-05-27 | Tencent America LLC | Transform selection for template matching based intra prediction at subblock level |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK2721822T3 (en) * | 2011-06-16 | 2019-02-18 | Ge Video Compression Llc | Entropy coding of motion vector differences |
| US9202262B2 (en) * | 2014-01-31 | 2015-12-01 | Sony Corporation | Optimized method for estimating the dominant gradient direction of a digital image area |
| US9380312B2 (en) * | 2014-07-14 | 2016-06-28 | Apple Inc. | Encoding blocks in video frames containing text using histograms of gradients |
| US20190208225A1 (en) * | 2018-01-02 | 2019-07-04 | Qualcomm Incorporated | Sign prediction in video coding |
| WO2019172798A1 (en) * | 2018-03-07 | 2019-09-12 | Huawei Technologies Co., Ltd. | Method and apparatus for residual sign prediction in transform domain |
| US11695960B2 (en) * | 2019-06-14 | 2023-07-04 | Qualcomm Incorporated | Transform and last significant coefficient position signaling for low-frequency non-separable transform in video coding |
-
2022
- 2022-12-16 WO PCT/US2022/053150 patent/WO2023114468A1/en not_active Ceased
- 2022-12-16 EP EP22908485.0A patent/EP4449722A4/en active Pending
- 2022-12-16 KR KR1020247023641A patent/KR20240125959A/ko active Pending
- 2022-12-16 MX MX2024007341A patent/MX2024007341A/es unknown
- 2022-12-16 JP JP2024535669A patent/JP2024546895A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2024546895A (ja) | 2024-12-26 |
| WO2023114468A1 (en) | 2023-06-22 |
| EP4449722A1 (en) | 2024-10-23 |
| KR20240125959A (ko) | 2024-08-20 |
| EP4449722A4 (en) | 2025-12-17 |
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