KR102765982B1 - 영상 신호를 처리하기 위한 방법 및 장치 - Google Patents
영상 신호를 처리하기 위한 방법 및 장치 Download PDFInfo
- Publication number
- KR102765982B1 KR102765982B1 KR1020237033478A KR20237033478A KR102765982B1 KR 102765982 B1 KR102765982 B1 KR 102765982B1 KR 1020237033478 A KR1020237033478 A KR 1020237033478A KR 20237033478 A KR20237033478 A KR 20237033478A KR 102765982 B1 KR102765982 B1 KR 102765982B1
- Authority
- KR
- South Korea
- Prior art keywords
- transform
- transformation
- separable
- nsst
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 120
- 238000012545 processing Methods 0.000 title description 35
- 239000011159 matrix material Substances 0.000 claims abstract description 94
- 230000009466 transformation Effects 0.000 claims description 275
- 238000003672 processing method Methods 0.000 abstract description 3
- 239000013598 vector Substances 0.000 description 94
- 238000013139 quantization Methods 0.000 description 49
- 238000010586 diagram Methods 0.000 description 32
- 230000008569 process Effects 0.000 description 32
- 239000000523 sample Substances 0.000 description 32
- 238000001914 filtration Methods 0.000 description 24
- 238000006243 chemical reaction Methods 0.000 description 20
- 230000002441 reversible effect Effects 0.000 description 19
- 238000000844 transformation Methods 0.000 description 18
- 230000009467 reduction Effects 0.000 description 11
- 208000037170 Delayed Emergence from Anesthesia Diseases 0.000 description 8
- 238000004891 communication Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 7
- 238000000638 solvent extraction Methods 0.000 description 7
- 230000003044 adaptive effect Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000011664 signaling Effects 0.000 description 5
- 230000002123 temporal effect Effects 0.000 description 5
- 241000023320 Luma <angiosperm> Species 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 101150089388 dct-5 gene Proteins 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000013074 reference sample Substances 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003709 image segmentation Methods 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000010454 slate Substances 0.000 description 1
- 239000004984 smart glass Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
-
- 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
- H04N19/12—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
- H04N19/132—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
- 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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
-
- 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)
- Television Signal Processing For Recording (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862726298P | 2018-09-02 | 2018-09-02 | |
| US62/726,298 | 2018-09-02 | ||
| KR1020227027579A KR102585635B1 (ko) | 2018-09-02 | 2019-09-02 | 영상 신호를 처리하기 위한 방법 및 장치 |
| PCT/KR2019/011252 WO2020046086A1 (ko) | 2018-09-02 | 2019-09-02 | 영상 신호를 처리하기 위한 방법 및 장치 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020227027579A Division KR102585635B1 (ko) | 2018-09-02 | 2019-09-02 | 영상 신호를 처리하기 위한 방법 및 장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20230145221A KR20230145221A (ko) | 2023-10-17 |
| KR102765982B1 true KR102765982B1 (ko) | 2025-02-07 |
Family
ID=69645333
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020237033478A Active KR102765982B1 (ko) | 2018-09-02 | 2019-09-02 | 영상 신호를 처리하기 위한 방법 및 장치 |
| KR1020227027579A Active KR102585635B1 (ko) | 2018-09-02 | 2019-09-02 | 영상 신호를 처리하기 위한 방법 및 장치 |
| KR1020257003779A Pending KR20250024119A (ko) | 2018-09-02 | 2019-09-02 | 영상 신호를 처리하기 위한 방법 및 장치 |
| KR1020207017922A Active KR102432400B1 (ko) | 2018-09-02 | 2019-09-02 | 영상 신호를 처리하기 위한 방법 및 장치 |
| KR1020237033477A Active KR102765981B1 (ko) | 2018-09-02 | 2019-09-02 | 영상 신호를 처리하기 위한 방법 및 장치 |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020227027579A Active KR102585635B1 (ko) | 2018-09-02 | 2019-09-02 | 영상 신호를 처리하기 위한 방법 및 장치 |
| KR1020257003779A Pending KR20250024119A (ko) | 2018-09-02 | 2019-09-02 | 영상 신호를 처리하기 위한 방법 및 장치 |
| KR1020207017922A Active KR102432400B1 (ko) | 2018-09-02 | 2019-09-02 | 영상 신호를 처리하기 위한 방법 및 장치 |
| KR1020237033477A Active KR102765981B1 (ko) | 2018-09-02 | 2019-09-02 | 영상 신호를 처리하기 위한 방법 및 장치 |
Country Status (10)
| Country | Link |
|---|---|
| US (5) | US10924736B2 (https=) |
| EP (3) | EP4152748A1 (https=) |
| JP (5) | JP7052075B2 (https=) |
| KR (5) | KR102765982B1 (https=) |
| CN (3) | CN111758260B (https=) |
| BR (1) | BR112021003829A2 (https=) |
| ES (1) | ES2950975T3 (https=) |
| HU (1) | HUE063301T2 (https=) |
| PL (1) | PL3723373T3 (https=) |
| WO (1) | WO2020046086A1 (https=) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020006338A1 (en) * | 2018-06-29 | 2020-01-02 | Interdigital Vc Holdings, Inc. | Method and apparatus for video encoding and decoding based on adaptive coefficient group |
| CN120812295A (zh) * | 2018-08-03 | 2025-10-17 | 维诺瓦国际有限公司 | 用于信号增强编码的熵编码 |
| KR102765982B1 (ko) | 2018-09-02 | 2025-02-07 | 엘지전자 주식회사 | 영상 신호를 처리하기 위한 방법 및 장치 |
| CN116055719A (zh) | 2018-09-05 | 2023-05-02 | Lg电子株式会社 | 对图像信号进行编码/解码的设备及发送图像信号的设备 |
| WO2020139182A1 (en) * | 2018-12-28 | 2020-07-02 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for selecting transform selection in an encoder and decoder |
| CN113365048B (zh) * | 2019-03-09 | 2022-08-05 | 杭州海康威视数字技术股份有限公司 | 进行编码和解码的方法、解码端、编码端和系统 |
| CN113841409B (zh) * | 2019-05-10 | 2023-12-19 | 北京字节跳动网络技术有限公司 | 用于视频处理的简化二次变换的有条件使用 |
| CN113950828B (zh) | 2019-06-07 | 2024-07-05 | 北京字节跳动网络技术有限公司 | 视频比特流中的简化二次变换的有条件信令 |
| WO2021023151A1 (en) | 2019-08-03 | 2021-02-11 | Beijing Bytedance Network Technology Co., Ltd. | Position based mode derivation in reduced secondary transforms for video |
| JP7791204B2 (ja) * | 2021-02-24 | 2025-12-23 | エルジー エレクトロニクス インコーポレイティド | 映像コーディング方法及びその装置 |
| US11792431B2 (en) | 2021-04-07 | 2023-10-17 | Tencent America LLC | Orthogonal transform generation with subspace constraint |
| US12425592B2 (en) | 2021-06-16 | 2025-09-23 | Lg Electronics Inc. | Method and device for designing low-frequency non-separable transform |
| US12581084B2 (en) | 2021-06-16 | 2026-03-17 | Lg Electronics Inc. | Method and device for designing low-frequency non-separable transform |
| US20240357110A1 (en) * | 2021-06-16 | 2024-10-24 | Lg Electronics Inc. | Image coding method and apparatus therefor |
| WO2023191332A1 (ko) * | 2022-03-28 | 2023-10-05 | 현대자동차주식회사 | 적응적 다중변환선택을 이용하는 비디오 코딩을 위한 방법 및 장치 |
| KR20260004384A (ko) * | 2023-04-12 | 2026-01-08 | 엘지전자 주식회사 | 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
| WO2024215147A1 (ko) * | 2023-04-12 | 2024-10-17 | 엘지전자 주식회사 | 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102432400B1 (ko) * | 2018-09-02 | 2022-08-12 | 엘지전자 주식회사 | 영상 신호를 처리하기 위한 방법 및 장치 |
Family Cites Families (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101137065A (zh) * | 2006-09-01 | 2008-03-05 | 华为技术有限公司 | 图像编码方法、解码方法、编码器、解码器、编解码方法及编解码器 |
| US8619853B2 (en) * | 2007-06-15 | 2013-12-31 | Qualcomm Incorporated | Separable directional transforms |
| US9300972B2 (en) * | 2009-02-09 | 2016-03-29 | Samsung Electronics Co., Ltd. | Video encoding method and apparatus using low-complexity frequency transformation, and video decoding method and apparatus |
| CN102045560B (zh) * | 2009-10-23 | 2013-08-07 | 华为技术有限公司 | 一种视频编解码方法及设备 |
| KR20110112168A (ko) * | 2010-04-05 | 2011-10-12 | 삼성전자주식회사 | 내부 비트뎁스 확장에 기반한 비디오 부호화 방법 및 그 장치, 내부 비트뎁스 확장에 기반한 비디오 복호화 방법 및 그 장치 |
| US9172968B2 (en) * | 2010-07-09 | 2015-10-27 | Qualcomm Incorporated | Video coding using directional transforms |
| EP2592831A2 (en) * | 2010-07-09 | 2013-05-15 | Samsung Electronics Co., Ltd | Method and apparatus for encoding video using adjustable loop filtering, and method and apparatus for decoding video using adjustable loop filtering |
| KR20120012385A (ko) * | 2010-07-31 | 2012-02-09 | 오수미 | 인트라 예측 부호화 장치 |
| JP2012089917A (ja) * | 2010-10-15 | 2012-05-10 | Sony Corp | 符号化装置および方法、並びにプログラム |
| US9473789B2 (en) * | 2010-12-14 | 2016-10-18 | M&K Holdings Inc. | Apparatus for decoding a moving picture |
| US9609354B2 (en) * | 2010-12-14 | 2017-03-28 | M&K Holdings Inc. | Apparatus for decoding a moving picture |
| US9008180B2 (en) * | 2011-04-21 | 2015-04-14 | Intellectual Discovery Co., Ltd. | Method and apparatus for encoding/decoding images using a prediction method adopting in-loop filtering |
| MX369192B (es) * | 2011-10-18 | 2019-10-31 | Kt Corp | Método para codificar imagen, método para decodificar imagen, codificador de imagen y decodificador de imagen. |
| KR101601864B1 (ko) * | 2014-02-25 | 2016-03-10 | 숭실대학교산학협력단 | 동영상 코덱의 역변환 방법 및 그 장치 |
| TWI551124B (zh) * | 2014-07-11 | 2016-09-21 | 晨星半導體股份有限公司 | 應用於視訊系統之編碼／解碼方法及編碼／解碼裝置 |
| US20160044314A1 (en) * | 2014-08-08 | 2016-02-11 | Qualcomm Incorporated | System and method for reusing transform structure for multi-partition transform |
| US10412387B2 (en) * | 2014-08-22 | 2019-09-10 | Qualcomm Incorporated | Unified intra-block copy and inter-prediction |
| US10469847B2 (en) * | 2014-09-12 | 2019-11-05 | Vid Scale, Inc. | Inter-component de-correlation for video coding |
| US10102613B2 (en) * | 2014-09-25 | 2018-10-16 | Google Llc | Frequency-domain denoising |
| US20170034530A1 (en) * | 2015-07-28 | 2017-02-02 | Microsoft Technology Licensing, Llc | Reduced size inverse transform for decoding and encoding |
| KR102199463B1 (ko) * | 2015-08-31 | 2021-01-06 | 삼성전자주식회사 | 스캔 순서를 고려한 영상의 변환 방법 및 그 장치, 및 역변환 방법 및 그 장치 |
| FR3040578A1 (fr) * | 2015-08-31 | 2017-03-03 | Orange | Procede de codage et de decodage d'images, dispositif de codage et de decodage d'images et programmes d'ordinateur correspondants |
| US10681379B2 (en) * | 2015-09-29 | 2020-06-09 | Qualcomm Incorporated | Non-separable secondary transform for video coding with reorganizing |
| WO2017061671A1 (ko) * | 2015-10-08 | 2017-04-13 | 엘지전자 주식회사 | 영상 코딩 시스템에서 적응적 변환에 기반한 영상 코딩 방법 및 장치 |
| ITUB20155295A1 (it) * | 2015-10-16 | 2017-04-16 | Torino Politecnico | Apparatuses and methods for encoding and decoding images |
| JP6109354B2 (ja) * | 2016-01-20 | 2017-04-05 | 株式会社Ｎｔｔドコモ | 画像復号装置、方法及びプログラム |
| 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 |
| US10390048B2 (en) * | 2016-02-15 | 2019-08-20 | Qualcomm Incorporated | Efficient transform coding using optimized compact multi-pass transforms |
| WO2017173593A1 (en) * | 2016-04-06 | 2017-10-12 | Mediatek Singapore Pte. Ltd. | Separate coding secondary transform syntax elements for different color components |
| US10708164B2 (en) * | 2016-05-03 | 2020-07-07 | Qualcomm Incorporated | Binarizing secondary transform index |
| KR20220053702A (ko) * | 2016-05-13 | 2022-04-29 | 소니그룹주식회사 | 화상 처리 장치 및 방법 |
| US10972733B2 (en) * | 2016-07-15 | 2021-04-06 | Qualcomm Incorporated | Look-up table for enhanced multiple transform |
| US10880564B2 (en) * | 2016-10-01 | 2020-12-29 | Qualcomm Incorporated | Transform selection for video coding |
| US11095893B2 (en) * | 2016-10-12 | 2021-08-17 | Qualcomm Incorporated | Primary transform and secondary transform in video coding |
| JP6792997B2 (ja) * | 2016-10-13 | 2020-12-02 | 日本放送協会 | 符号化装置、復号装置及びプログラム |
| US10609367B2 (en) * | 2016-12-21 | 2020-03-31 | Qualcomm Incorporated | Low-complexity sign prediction for video coding |
| KR20180085526A (ko) * | 2017-01-19 | 2018-07-27 | 가온미디어 주식회사 | 효율적 변환을 처리하는 영상 복호화 및 부호화 방법 |
| US11134272B2 (en) * | 2017-06-29 | 2021-09-28 | Qualcomm Incorporated | Memory reduction for non-separable transforms |
| US10491914B2 (en) * | 2018-03-29 | 2019-11-26 | Tencent America LLC | Transform information prediction |
| US10819979B2 (en) * | 2018-09-06 | 2020-10-27 | Tencent America LLC | Coupled primary and secondary transform |
| CN113302942B (zh) * | 2019-02-01 | 2024-02-13 | Lg电子株式会社 | 基于二次变换的图像编码方法及其设备 |
| US12309405B2 (en) * | 2021-04-16 | 2025-05-20 | Tencent America LLC | Interaction between transform partitioning and primary/secondary transform type selection |
-
2019
- 2019-09-02 KR KR1020237033478A patent/KR102765982B1/ko active Active
- 2019-09-02 CN CN201980014907.4A patent/CN111758260B/zh active Active
- 2019-09-02 KR KR1020227027579A patent/KR102585635B1/ko active Active
- 2019-09-02 CN CN202210704121.9A patent/CN114928745B/zh active Active
- 2019-09-02 KR KR1020257003779A patent/KR20250024119A/ko active Pending
- 2019-09-02 CN CN202210703605.1A patent/CN114915784B/zh active Active
- 2019-09-02 HU HUE19856204A patent/HUE063301T2/hu unknown
- 2019-09-02 PL PL19856204.3T patent/PL3723373T3/pl unknown
- 2019-09-02 BR BR112021003829-9A patent/BR112021003829A2/pt unknown
- 2019-09-02 JP JP2020557111A patent/JP7052075B2/ja active Active
- 2019-09-02 ES ES19856204T patent/ES2950975T3/es active Active
- 2019-09-02 KR KR1020207017922A patent/KR102432400B1/ko active Active
- 2019-09-02 WO PCT/KR2019/011252 patent/WO2020046086A1/ko not_active Ceased
- 2019-09-02 EP EP22206090.7A patent/EP4152748A1/en active Pending
- 2019-09-02 EP EP24175672.5A patent/EP4391535A3/en active Pending
- 2019-09-02 KR KR1020237033477A patent/KR102765981B1/ko active Active
- 2019-09-02 EP EP19856204.3A patent/EP3723373B1/en active Active
-
2020
- 2020-06-11 US US16/898,928 patent/US10924736B2/en active Active
- 2020-12-10 US US17/117,785 patent/US11109028B2/en active Active
-
2021
- 2021-07-27 US US17/386,261 patent/US11863746B2/en active Active
-
2022
- 2022-03-30 JP JP2022056006A patent/JP7372379B2/ja active Active
-
2023
- 2023-10-19 JP JP2023180024A patent/JP7654043B2/ja active Active
- 2023-11-14 US US18/389,320 patent/US12316843B2/en active Active
-
2025
- 2025-03-18 JP JP2025043546A patent/JP7780047B2/ja active Active
- 2025-04-28 US US19/191,814 patent/US20250254306A1/en active Pending
- 2025-11-20 JP JP2025200456A patent/JP2026015554A/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102432400B1 (ko) * | 2018-09-02 | 2022-08-12 | 엘지전자 주식회사 | 영상 신호를 처리하기 위한 방법 및 장치 |
Non-Patent Citations (2)
| Title |
|---|
| Jianle Chen et al., "Algorithm Description of Joint Exploration Test Model", JVET-C1001, version 3, 2016-07-06.공개* |
| Mehdi Salehifar et al., "CE 6.2.6: Reduced Secondary Transform(RST)", JVET-k0099, version 4, 2018-07-13.공개* |
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102765982B1 (ko) | 영상 신호를 처리하기 위한 방법 및 장치 | |
| JP7708935B2 (ja) | 映像信号を処理するための方法及び装置 | |
| JP7807600B2 (ja) | ビデオ信号の符号化／復号方法及びそのための装置 | |
| KR20250162932A (ko) | 이차 변환을 기반으로 비디오 신호를 처리하는 방법 및 장치 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A107 | Divisional application of patent | ||
| PA0104 | Divisional application for international application |
Comment text: Divisional Application for International Patent Patent event code: PA01041R01D Patent event date: 20230927 Application number text: 1020227027579 Filing date: 20220809 |
|
| PA0201 | Request for examination | ||
| PG1501 | Laying open of application | ||
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20240419 Patent event code: PE09021S01D |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20241107 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20250205 Patent event code: PR07011E01D |
|
| PR1002 | Payment of registration fee |
Payment date: 20250205 End annual number: 3 Start annual number: 1 |
|
| PG1601 | Publication of registration |