SG11202112627SA - Transform and last significant coefficient position signaling for low-frequency non-separable transform in video coding - Google Patents
Transform and last significant coefficient position signaling for low-frequency non-separable transform in video codingInfo
- Publication number
- SG11202112627SA SG11202112627SA SG11202112627SA SG11202112627SA SG11202112627SA SG 11202112627S A SG11202112627S A SG 11202112627SA SG 11202112627S A SG11202112627S A SG 11202112627SA SG 11202112627S A SG11202112627S A SG 11202112627SA SG 11202112627S A SG11202112627S A SG 11202112627SA
- Authority
- SG
- Singapore
- Prior art keywords
- transform
- low
- video coding
- significant coefficient
- last significant
- Prior art date
Links
Classifications
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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
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
-
- 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
- H04N19/134—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
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
- H04N19/10—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
- H04N19/186—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 colour or a chrominance component
-
- 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
- H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
- H04N19/64—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission
- H04N19/645—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission by grouping of coefficients into blocks after the transform
-
- 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
- H04N19/96—Tree coding, e.g. quad-tree 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
- H04N19/124—Quantisation
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 |
|---|---|---|---|
| US201962861828P | 2019-06-14 | 2019-06-14 | |
| US201962868346P | 2019-06-28 | 2019-06-28 | |
| US16/899,063 US11695960B2 (en) | 2019-06-14 | 2020-06-11 | Transform and last significant coefficient position signaling for low-frequency non-separable transform in video coding |
| PCT/US2020/037459 WO2020252279A1 (en) | 2019-06-14 | 2020-06-12 | Transform and last significant coefficient position signaling for low-frequency non-separable transform in video coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11202112627SA true SG11202112627SA (en) | 2021-12-30 |
Family
ID=73745300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11202112627SA SG11202112627SA (en) | 2019-06-14 | 2020-06-12 | Transform and last significant coefficient position signaling for low-frequency non-separable transform in video coding |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US11695960B2 (en) |
| EP (1) | EP3984234A1 (en) |
| KR (1) | KR20220020266A (en) |
| CN (1) | CN113940069A (en) |
| AU (1) | AU2020291013A1 (en) |
| BR (1) | BR112021024515A2 (en) |
| SG (1) | SG11202112627SA (en) |
| TW (1) | TW202114418A (en) |
| WO (1) | WO2020252279A1 (en) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11172211B2 (en) * | 2019-04-04 | 2021-11-09 | Tencent America LLC | Method and apparatus for video coding |
| CN115967811A (en) * | 2019-06-25 | 2023-04-14 | 三星电子株式会社 | Video signal processing method and apparatus using quadratic transform |
| KR20220024500A (en) * | 2019-07-12 | 2022-03-03 | 엘지전자 주식회사 | Transformation-based video coding method and apparatus |
| CN114342409A (en) * | 2019-07-12 | 2022-04-12 | Lg 电子株式会社 | Image compiling method based on transformation and equipment thereof |
| WO2021025528A1 (en) * | 2019-08-08 | 2021-02-11 | 엘지전자 주식회사 | Image coding method based on transform, and device therefor |
| WO2021054779A1 (en) * | 2019-09-21 | 2021-03-25 | 엘지전자 주식회사 | Transform-based video coding method, and device therefor |
| CN116527937A (en) * | 2019-09-21 | 2023-08-01 | Lg电子株式会社 | Image decoding method, image encoding method, and data transmitting method |
| CN117560507A (en) * | 2019-09-21 | 2024-02-13 | Lg电子株式会社 | Image encoding/decoding apparatus and apparatus for transmitting data |
| WO2021054799A1 (en) * | 2019-09-21 | 2021-03-25 | 엘지전자 주식회사 | Transform-based image coding method and device therefor |
| WO2021060827A1 (en) * | 2019-09-23 | 2021-04-01 | 엘지전자 주식회사 | Image coding method based on transform, and device therefor |
| WO2021060905A1 (en) * | 2019-09-25 | 2021-04-01 | 엘지전자 주식회사 | Transform-based image coding method and apparatus therefor |
| CA3156856A1 (en) * | 2019-10-04 | 2021-04-08 | Lg Electronics Inc. | Transform-based image coding method, and device therefor |
| WO2021071342A1 (en) * | 2019-10-11 | 2021-04-15 | 한국전자통신연구원 | Transform information encoding/decoding method and device, and bitstream storage medium |
| US20230064931A1 (en) * | 2020-01-12 | 2023-03-02 | Lg Electronics Inc. | Transform-based image coding method and device therefor |
| CN113727103B (en) * | 2020-05-25 | 2022-08-12 | 腾讯科技（深圳）有限公司 | Video encoding method, video decoding method, video encoding device, video decoding device, electronic equipment and storage medium |
| US11206428B1 (en) | 2020-07-14 | 2021-12-21 | Tencent America LLC | Method and apparatus for frequency-dependent joint component secondary transform |
| US20220150518A1 (en) * | 2020-11-11 | 2022-05-12 | Tencent America LLC | Method and apparatus for video coding |
| EP4356608A1 (en) * | 2021-06-14 | 2024-04-24 | InterDigital CE Patent Holdings, SAS | Coding of last significant coefficient in a block of a picture |
| US20230112642A1 (en) * | 2021-10-13 | 2023-04-13 | Tencent America LLC | Adaptive multiple transform set selection |
| WO2023114468A1 (en) * | 2021-12-16 | 2023-06-22 | Beijing Dajia Internet Information Technology Co., Ltd. | Sign prediction for block-based video coding |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2492333B (en) * | 2011-06-27 | 2018-12-12 | British Broadcasting Corp | Video encoding and decoding using transforms |
| US9124872B2 (en) | 2012-04-16 | 2015-09-01 | Qualcomm Incorporated | Coefficient groups and coefficient coding for coefficient scans |
| US9538175B2 (en) | 2012-09-26 | 2017-01-03 | Qualcomm Incorporated | Context derivation for context-adaptive, multi-level significance coding |
| US10306229B2 (en) | 2015-01-26 | 2019-05-28 | Qualcomm Incorporated | Enhanced multiple transforms for prediction residual |
| US10491922B2 (en) | 2015-09-29 | 2019-11-26 | Qualcomm Incorporated | Non-separable secondary transform for video coding |
| US10349085B2 (en) | 2016-02-15 | 2019-07-09 | Qualcomm Incorporated | Efficient parameter storage for compact multi-pass transforms |
| US10448053B2 (en) | 2016-02-15 | 2019-10-15 | Qualcomm Incorporated | Multi-pass non-separable transforms for video coding |
| US10708164B2 (en) | 2016-05-03 | 2020-07-07 | Qualcomm Incorporated | Binarizing secondary transform index |
| CN109076243B (en) | 2016-05-04 | 2022-01-25 | 夏普株式会社 | System and method for encoding transform data |
| US10972733B2 (en) | 2016-07-15 | 2021-04-06 | Qualcomm Incorporated | Look-up table for enhanced multiple transform |
| US10674165B2 (en) * | 2016-12-21 | 2020-06-02 | Arris Enterprises Llc | Constrained position dependent intra prediction combination (PDPC) |
| US10855997B2 (en) | 2017-04-14 | 2020-12-01 | Mediatek Inc. | Secondary transform kernel size selection |
| KR20190013611A (en) * | 2017-07-28 | 2019-02-11 | 한국전자통신연구원 | A method of video processing, a method and appratus for encoding/decoding video using the processing |
| US10863199B2 (en) | 2018-03-26 | 2020-12-08 | Qualcomm Incorporated | Minimization of transform memory and latency via parallel factorizations |
| KR20200138804A (en) | 2018-03-29 | 2020-12-10 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | Transformation set |
| US10986340B2 (en) | 2018-06-01 | 2021-04-20 | Qualcomm Incorporated | Coding adaptive multiple transform information for video coding |
| JP7223014B2 (en) | 2018-06-03 | 2023-02-15 | エルジー エレクトロニクス インコーポレイティド | Method and apparatus for processing video signals using reduced transform |
| US11025909B2 (en) | 2019-03-21 | 2021-06-01 | Tencent America LLC | Method and apparatus for video coding |
| US11240534B2 (en) | 2019-04-05 | 2022-02-01 | Qualcomm Incorporated | Extended multiple transform selection for video coding |
| CN113711607B (en) * | 2019-04-16 | 2023-10-10 | 寰发股份有限公司 | Method and apparatus for encoding and decoding video data with adaptive secondary transform signaling |
| US11032572B2 (en) | 2019-05-17 | 2021-06-08 | Qualcomm Incorporated | Low-frequency non-separable transform signaling based on zero-out patterns for video coding |
| US11212545B2 (en) * | 2019-06-07 | 2021-12-28 | Tencent America LLC | Method and apparatus for improved implicit transform selection |
-
2020
- 2020-06-11 US US16/899,063 patent/US11695960B2/en active Active
- 2020-06-12 CN CN202080041971.4A patent/CN113940069A/en active Pending
- 2020-06-12 AU AU2020291013A patent/AU2020291013A1/en active Pending
- 2020-06-12 KR KR1020217039887A patent/KR20220020266A/en unknown
- 2020-06-12 WO PCT/US2020/037459 patent/WO2020252279A1/en active Application Filing
- 2020-06-12 BR BR112021024515A patent/BR112021024515A2/en unknown
- 2020-06-12 SG SG11202112627SA patent/SG11202112627SA/en unknown
- 2020-06-12 EP EP20737643.5A patent/EP3984234A1/en active Pending
- 2020-06-12 TW TW109119952A patent/TW202114418A/en unknown
-
2023
- 2023-05-22 US US18/321,372 patent/US20230412844A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AU2020291013A1 (en) | 2021-12-16 |
| BR112021024515A2 (en) | 2022-01-18 |
| CN113940069A (en) | 2022-01-14 |
| WO2020252279A1 (en) | 2020-12-17 |
| US20230412844A1 (en) | 2023-12-21 |
| KR20220020266A (en) | 2022-02-18 |
| US20200396487A1 (en) | 2020-12-17 |
| EP3984234A1 (en) | 2022-04-20 |
| US11695960B2 (en) | 2023-07-04 |
| TW202114418A (en) | 2021-04-01 |
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