SG11202102409RA - Scans and last coefficient position coding for zero-out transforms - Google Patents
Scans and last coefficient position coding for zero-out transformsInfo
- Publication number
- SG11202102409RA SG11202102409RA SG11202102409RA SG11202102409RA SG11202102409RA SG 11202102409R A SG11202102409R A SG 11202102409RA SG 11202102409R A SG11202102409R A SG 11202102409RA SG 11202102409R A SG11202102409R A SG 11202102409RA SG 11202102409R A SG11202102409R A SG 11202102409RA
- Authority
- SG
- Singapore
- Prior art keywords
- scans
- zero
- coefficient position
- position coding
- last coefficient
- 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
- H04N19/10—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
- H04N19/102—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
- H04N19/129—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
- H04N19/169—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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
-
- 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
-
- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
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 (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862747543P | 2018-10-18 | 2018-10-18 | |
| US201862786285P | 2018-12-28 | 2018-12-28 | |
| US201962788546P | 2019-01-04 | 2019-01-04 | |
| US201962792795P | 2019-01-15 | 2019-01-15 | |
| US16/655,950 US11128866B2 (en) | 2018-10-18 | 2019-10-17 | Scans and last coefficient position coding for zero-out transforms |
| PCT/US2019/056966 WO2020081951A1 (en) | 2018-10-18 | 2019-10-18 | Scans and last coefficient position coding for zero-out transforms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11202102409RA true SG11202102409RA (en) | 2021-05-28 |
Family
ID=70280094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11202102409RA SG11202102409RA (en) | 2018-10-18 | 2019-10-18 | Scans and last coefficient position coding for zero-out transforms |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11128866B2 (en) |
| EP (1) | EP3868108A1 (en) |
| CN (1) | CN112840664A (en) |
| BR (1) | BR112021006485A2 (en) |
| SG (1) | SG11202102409RA (en) |
| WO (1) | WO2020081951A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200007671A (en) * | 2018-07-13 | 2020-01-22 | 한국전자통신연구원 | Method and apparatus for encoding/decoding image and recording medium for storing bitstream |
| TWI737143B (en) * | 2019-01-25 | 2021-08-21 | 聯發科技股份有限公司 | Method and apparatus of transform coefficient coding with tb-level constraint |
| US11159795B2 (en) * | 2019-03-04 | 2021-10-26 | Tencent America LLC | Max transform size control |
| CN115668923A (en) | 2020-05-27 | 2023-01-31 | 抖音视界有限公司 | Indication of multiple transform matrices in coded video |
| WO2022259614A1 (en) * | 2021-06-11 | 2022-12-15 | ソニーグループ株式会社 | Information processing device and method |
| EP4356608A1 (en) * | 2021-06-14 | 2024-04-24 | InterDigital CE Patent Holdings, SAS | Coding of last significant coefficient in a block of a picture |
| WO2023229666A1 (en) * | 2022-05-25 | 2023-11-30 | Microchip Technology Incorporated | A video-data encoder and encoding method |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0379182A (en) * | 1989-08-23 | 1991-04-04 | Fujitsu Ltd | Image encoding control system |
| EP0422575B1 (en) * | 1989-10-09 | 1997-07-23 | Fujitsu Limited | Image data transmission system |
| CN101931805B (en) | 2009-06-19 | 2013-10-23 | 香港科技大学 | Scalar quantization using bit-stealing for video processing and its application in video coding |
| US9172968B2 (en) * | 2010-07-09 | 2015-10-27 | Qualcomm Incorporated | Video coding using directional transforms |
| US9641846B2 (en) | 2010-10-22 | 2017-05-02 | Qualcomm Incorporated | Adaptive scanning of transform coefficients for video coding |
| US9042440B2 (en) | 2010-12-03 | 2015-05-26 | Qualcomm Incorporated | Coding the position of a last significant coefficient within a video block based on a scanning order for the block in video coding |
| US9106913B2 (en) * | 2011-03-08 | 2015-08-11 | Qualcomm Incorporated | 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 |
| US10200709B2 (en) * | 2012-03-16 | 2019-02-05 | Qualcomm Incorporated | High-level syntax extensions for high efficiency video coding |
| US9215464B2 (en) | 2013-09-19 | 2015-12-15 | Blackberry Limited | Coding position data for the last non-zero transform coefficient in a coefficient group |
| US9432696B2 (en) * | 2014-03-17 | 2016-08-30 | Qualcomm Incorporated | Systems and methods for low complexity forward transforms using zeroed-out coefficients |
| US9781424B2 (en) * | 2015-01-19 | 2017-10-03 | Google Inc. | Efficient context handling in arithmetic coding |
| US10306229B2 (en) | 2015-01-26 | 2019-05-28 | Qualcomm Incorporated | Enhanced multiple transforms for prediction residual |
| US10631013B2 (en) * | 2015-06-11 | 2020-04-21 | Lg Electronics Inc. | Method for re-positioning significant coefficient in image encoding/decoding process and device therefor |
| US10491922B2 (en) | 2015-09-29 | 2019-11-26 | Qualcomm Incorporated | Non-separable secondary transform for video coding |
| US10708164B2 (en) | 2016-05-03 | 2020-07-07 | Qualcomm Incorporated | Binarizing secondary transform index |
| WO2018050226A1 (en) * | 2016-09-15 | 2018-03-22 | Telefonaktiebolaget Lm Ericsson (Publ) | Guided transcoding |
| US11095893B2 (en) | 2016-10-12 | 2021-08-17 | Qualcomm Incorporated | Primary transform and secondary transform in video coding |
| US10587880B2 (en) | 2017-03-30 | 2020-03-10 | Qualcomm Incorporated | Zero block detection using adaptive rate model |
| KR102149023B1 (en) * | 2017-04-13 | 2020-08-28 | 엘지전자 주식회사 | Method and apparatus for entropy encoding and decoding video signal |
| WO2019117634A1 (en) | 2017-12-15 | 2019-06-20 | 엘지전자 주식회사 | Image coding method on basis of secondary transform and device therefor |
| US10812797B2 (en) | 2018-02-05 | 2020-10-20 | Tencent America LLC | Method, apparatus and medium for decoding or encoding using a low-complexity transform |
| KR20200138804A (en) | 2018-03-29 | 2020-12-10 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | Transformation set |
-
2019
- 2019-10-17 US US16/655,950 patent/US11128866B2/en active Active
- 2019-10-18 EP EP19801448.2A patent/EP3868108A1/en active Pending
- 2019-10-18 CN CN201980067187.8A patent/CN112840664A/en active Pending
- 2019-10-18 BR BR112021006485A patent/BR112021006485A2/en unknown
- 2019-10-18 SG SG11202102409RA patent/SG11202102409RA/en unknown
- 2019-10-18 WO PCT/US2019/056966 patent/WO2020081951A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR112021006485A2 (en) | 2021-07-06 |
| WO2020081951A1 (en) | 2020-04-23 |
| CN112840664A (en) | 2021-05-25 |
| EP3868108A1 (en) | 2021-08-25 |
| TW202029754A (en) | 2020-08-01 |
| US11128866B2 (en) | 2021-09-21 |
| US20200128249A1 (en) | 2020-04-23 |
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