BRPI0924044B1 - Métodos e aparelhos para seleções de transformada em codificação e decodificação de vídeo - Google Patents
Métodos e aparelhos para seleções de transformada em codificação e decodificação de vídeo Download PDFInfo
- Publication number
- BRPI0924044B1 BRPI0924044B1 BRPI0924044-6A BRPI0924044A BRPI0924044B1 BR PI0924044 B1 BRPI0924044 B1 BR PI0924044B1 BR PI0924044 A BRPI0924044 A BR PI0924044A BR PI0924044 B1 BRPI0924044 B1 BR PI0924044B1
- Authority
- BR
- Brazil
- Prior art keywords
- block
- transforms
- transform
- fact
- input
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 70
- 238000013139 quantization Methods 0.000 claims abstract description 12
- 230000004044 response Effects 0.000 claims description 9
- 230000001131 transforming effect Effects 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract 5
- 238000000844 transformation Methods 0.000 abstract 2
- 230000006870 function Effects 0.000 description 102
- 238000004891 communication Methods 0.000 description 75
- 230000008901 benefit Effects 0.000 description 21
- 238000013459 approach Methods 0.000 description 15
- 230000000875 corresponding effect Effects 0.000 description 14
- 238000012163 sequencing technique Methods 0.000 description 13
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000005457 optimization Methods 0.000 description 5
- 230000003044 adaptive effect Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 230000011664 signaling Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000153 supplemental effect Effects 0.000 description 2
- 238000005056 compaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
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
- H04N19/61—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
- H04N19/10—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
-
- 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
- H04N19/136—Incoming video signal characteristics or properties
-
- 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
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
-
- 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
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
-
- 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
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
-
- 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
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
- H04N19/197—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters including determination of the initial value of an encoding parameter
-
- 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
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
- H04N19/198—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters including smoothing of a sequence of encoding parameters, e.g. by averaging, by choice of the maximum, minimum or median value
-
- 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
- H04N19/625—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
-
- 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
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR122015015910-5A BR122015015910B1 (pt) | 2009-01-27 | 2009-10-21 | Métodos e aparelhos para seleções de transformada em codificação e decodificação de vídeo |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14770509P | 2009-01-27 | 2009-01-27 | |
| US61/147,705 | 2009-01-27 | ||
| US20778309P | 2009-02-17 | 2009-02-17 | |
| US61/207,783 | 2009-02-17 | ||
| PCT/US2009/005730 WO2010087808A1 (en) | 2009-01-27 | 2009-10-21 | Methods and apparatus for transform selection in video encoding and decoding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BRPI0924044A2 BRPI0924044A2 (pt) | 2016-01-26 |
| BRPI0924044B1 true BRPI0924044B1 (pt) | 2022-09-20 |
Family
ID=42395863
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0924044-6A BRPI0924044B1 (pt) | 2009-01-27 | 2009-10-21 | Métodos e aparelhos para seleções de transformada em codificação e decodificação de vídeo |
| BR122015015910-5A BR122015015910B1 (pt) | 2009-01-27 | 2009-10-21 | Métodos e aparelhos para seleções de transformada em codificação e decodificação de vídeo |
| BRPI0924155-8A BRPI0924155B1 (pt) | 2009-01-27 | 2009-10-21 | Métodos e aparelho para transformar a seleção em codificação e decodificação de video |
| BRPI0924167A BRPI0924167A2 (pt) | 2009-01-27 | 2009-10-21 | métodos e aparelho para transformar a seleção em codificação e decodificação de vídeo |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR122015015910-5A BR122015015910B1 (pt) | 2009-01-27 | 2009-10-21 | Métodos e aparelhos para seleções de transformada em codificação e decodificação de vídeo |
| BRPI0924155-8A BRPI0924155B1 (pt) | 2009-01-27 | 2009-10-21 | Métodos e aparelho para transformar a seleção em codificação e decodificação de video |
| BRPI0924167A BRPI0924167A2 (pt) | 2009-01-27 | 2009-10-21 | métodos e aparelho para transformar a seleção em codificação e decodificação de vídeo |
Country Status (8)
| Country | Link |
|---|---|
| US (6) | US9161031B2 (enExample) |
| EP (5) | EP2382777A4 (enExample) |
| JP (11) | JP2012516627A (enExample) |
| KR (15) | KR20210028283A (enExample) |
| CN (4) | CN102301708B (enExample) |
| BR (4) | BRPI0924044B1 (enExample) |
| HK (1) | HK1222274A1 (enExample) |
| WO (3) | WO2010087808A1 (enExample) |
Families Citing this family (79)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0924044B1 (pt) | 2009-01-27 | 2022-09-20 | Interdigital Vc Holdings, Inc | Métodos e aparelhos para seleções de transformada em codificação e decodificação de vídeo |
| KR101527085B1 (ko) * | 2009-06-30 | 2015-06-10 | 한국전자통신연구원 | 인트라 부호화/복호화 방법 및 장치 |
| US9357221B2 (en) | 2009-07-23 | 2016-05-31 | Thomson Licensing | Methods and apparatus for adaptive transform selection for video encoding and decoding |
| KR101753273B1 (ko) * | 2010-03-10 | 2017-07-03 | 톰슨 라이센싱 | 변환 선택을 갖는 비디오 코딩 및 디코딩을 위한 제약 변환 방법 및 장치 |
| US8929440B2 (en) * | 2010-04-09 | 2015-01-06 | Sony Corporation | QP adaptive coefficients scanning and application |
| US9661338B2 (en) | 2010-07-09 | 2017-05-23 | Qualcomm Incorporated | Coding syntax elements for adaptive scans of transform coefficients for video coding |
| WO2012008925A1 (en) * | 2010-07-15 | 2012-01-19 | Agency For Science, Technology And Research | Method, apparatus and computer program product for encoding video data |
| JP2012023632A (ja) | 2010-07-15 | 2012-02-02 | Sony Corp | 符号化装置および符号化方法、並びに、復号装置および復号方法 |
| US8787459B2 (en) * | 2010-11-09 | 2014-07-22 | Sony Computer Entertainment Inc. | Video coding methods and apparatus |
| US8976861B2 (en) | 2010-12-03 | 2015-03-10 | Qualcomm Incorporated | Separately coding the position of a last significant coefficient of a video block in 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 |
| US20120163456A1 (en) | 2010-12-22 | 2012-06-28 | Qualcomm Incorporated | Using a most probable scanning order to efficiently code scanning order information for a video block in video coding |
| US8767835B2 (en) * | 2010-12-28 | 2014-07-01 | Mitsubishi Electric Research Laboratories, Inc. | Method for coding videos using dictionaries |
| US10992958B2 (en) | 2010-12-29 | 2021-04-27 | Qualcomm Incorporated | Video coding using mapped transforms and scanning modes |
| US8630341B2 (en) * | 2011-01-14 | 2014-01-14 | Mitsubishi Electric Research Laboratories, Inc. | Method for training and utilizing separable transforms for video coding |
| US9380319B2 (en) * | 2011-02-04 | 2016-06-28 | Google Technology Holdings LLC | Implicit transform unit representation |
| US10499059B2 (en) | 2011-03-08 | 2019-12-03 | Velos Media, Llc | Coding of transform coefficients for video coding |
| US9106913B2 (en) | 2011-03-08 | 2015-08-11 | Qualcomm Incorporated | Coding of transform coefficients for video coding |
| JP5739714B2 (ja) * | 2011-04-04 | 2015-06-24 | 日本放送協会 | 符号化装置、復号装置及びプログラム |
| US9167253B2 (en) | 2011-06-28 | 2015-10-20 | Qualcomm Incorporated | Derivation of the position in scan order of the last significant transform coefficient in video coding |
| US8929455B2 (en) * | 2011-07-01 | 2015-01-06 | Mitsubishi Electric Research Laboratories, Inc. | Method for selecting transform types from mapping table for prediction modes |
| WO2013058542A1 (ko) * | 2011-10-17 | 2013-04-25 | 주식회사 케이티 | 영상 부호화/복호화 방법 및 그 장치 |
| KR101549910B1 (ko) * | 2011-10-17 | 2015-09-03 | 주식회사 케이티 | 화면 내 예측 모드에 기초한 적응적인 변환 방법 및 이러한 방법을 사용하는 장치 |
| KR20130050406A (ko) * | 2011-11-07 | 2013-05-16 | 오수미 | 머지 모드에서의 움직임 정보 생성 방법 |
| FR2982447A1 (fr) | 2011-11-07 | 2013-05-10 | France Telecom | Procede de codage et decodage d'images, dispositif de codage et decodage et programmes d'ordinateur correspondants |
| FR2982446A1 (fr) | 2011-11-07 | 2013-05-10 | France Telecom | Procede de codage et decodage d'images, dispositif de codage et decodage et programmes d'ordinateur correspondants |
| FR2982983A1 (fr) * | 2011-11-22 | 2013-05-24 | Thomson Licensing | Procede de codage et de reconstruction d'un bloc de pixels et dispositifs correspondants |
| CN110234012B (zh) * | 2012-01-17 | 2021-12-31 | 华为技术有限公司 | 用于高性能视频编码中的无损编码模式的环内滤波的装置 |
| US9008184B2 (en) * | 2012-01-20 | 2015-04-14 | Blackberry Limited | Multiple sign bit hiding within a transform unit |
| EP3399753B1 (en) * | 2012-01-20 | 2019-12-11 | Velos Media International Limited | Multiple sign bit hiding within a transform unit |
| KR101418096B1 (ko) * | 2012-01-20 | 2014-07-16 | 에스케이 텔레콤주식회사 | 가중치예측을 이용한 영상 부호화/복호화 방법 및 장치 |
| US8675731B2 (en) | 2012-08-13 | 2014-03-18 | Gurulogic Microsystems Oy | Encoder and method |
| US10412414B2 (en) | 2012-08-13 | 2019-09-10 | Gurulogic Microsystems Oy | Decoder and method for decoding encoded input data containing a plurality of blocks or packets |
| US10333547B2 (en) | 2012-08-13 | 2019-06-25 | Gurologic Microsystems Oy | Encoder and method for encoding input data using a plurality of different transformations or combinations of transformations |
| US9258389B2 (en) | 2012-08-13 | 2016-02-09 | Gurulogic Microsystems Oy | Encoder and method |
| GB2505169B (en) * | 2012-08-13 | 2016-03-16 | Gurulogic Microsystems Oy | decoder and method |
| US9544597B1 (en) | 2013-02-11 | 2017-01-10 | Google Inc. | Hybrid transform in video encoding and decoding |
| US9967559B1 (en) | 2013-02-11 | 2018-05-08 | Google Llc | Motion vector dependent spatial transformation in video coding |
| US9674530B1 (en) | 2013-04-30 | 2017-06-06 | Google Inc. | Hybrid transforms in video coding |
| KR102114252B1 (ko) | 2013-07-05 | 2020-05-22 | 삼성전자 주식회사 | 영상을 부호화하기 위한 영상 예측 모드 결정 방법 및 장치 |
| GB2516425B (en) * | 2013-07-17 | 2015-12-30 | Gurulogic Microsystems Oy | Encoder and decoder, and method of operation |
| US9602826B2 (en) | 2014-06-27 | 2017-03-21 | Massachusetts Institute Of Technology | Managing transforms for compressing and decompressing visual data |
| FR3024933A1 (fr) * | 2014-08-12 | 2016-02-19 | Orange | Procede de codage et de decodage d'images, dispositif de codage et de decodage d'images et programmes d'ordinateur correspondants |
| US9762912B2 (en) * | 2015-01-16 | 2017-09-12 | Microsoft Technology Licensing, Llc | Gradual updating using transform coefficients for encoding and decoding |
| FR3038196A1 (fr) * | 2015-06-29 | 2016-12-30 | B<>Com | Procede de codage d'une image numerique, procede de decodage, dispositifs et programmes d'ordinateurs associes |
| US9769499B2 (en) | 2015-08-11 | 2017-09-19 | Google Inc. | Super-transform video coding |
| US10277905B2 (en) | 2015-09-14 | 2019-04-30 | Google Llc | Transform selection for non-baseband signal coding |
| EP3166313A1 (en) | 2015-11-09 | 2017-05-10 | Thomson Licensing | Encoding and decoding method and corresponding devices |
| US9807423B1 (en) | 2015-11-24 | 2017-10-31 | Google Inc. | Hybrid transform scheme for video coding |
| JP6595711B2 (ja) * | 2015-12-23 | 2019-10-23 | 華為技術有限公司 | 階層的分割内でのブロックレベルの変換選択および黙示的シグナリングを伴う変換コーディングのための方法および装置 |
| US10623777B2 (en) * | 2016-02-16 | 2020-04-14 | Samsung Electronics Co., Ltd. | Image encoding method and apparatus, and image decoding method and apparatus |
| KR20240104228A (ko) * | 2016-07-14 | 2024-07-04 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 변환 기반 잔차 코딩을 이용한 예측 화상 코딩 |
| FR3057131A1 (fr) * | 2016-10-04 | 2018-04-06 | B<>Com | Procede de codage d'une image numerique, procede de decodage, dispositifs, terminal et programmes d'ordinateurs associes |
| FR3057429A1 (fr) * | 2016-10-07 | 2018-04-13 | B<>Com | Procede de codage d'une image numerique, procede de decodage, dispositifs et programmes d'ordinateurs associes |
| EP3349451A1 (en) * | 2017-01-11 | 2018-07-18 | Thomson Licensing | Method and apparatus for selecting a coding mode used for encoding/decoding a residual block |
| CA3057445A1 (en) * | 2017-03-21 | 2018-09-27 | Lg Electronics Inc. | Transform method in image coding system and apparatus for same |
| EP3451663A1 (en) * | 2017-08-31 | 2019-03-06 | Thomson Licensing | Pools of transforms for local selection of a set of transforms in video coding |
| CN109922340B (zh) * | 2017-12-13 | 2021-10-15 | 华为技术有限公司 | 图像编解码方法、装置、系统及存储介质 |
| US11647214B2 (en) * | 2018-03-30 | 2023-05-09 | Qualcomm Incorporated | Multiple transforms adjustment stages for video coding |
| WO2019191892A1 (zh) * | 2018-04-02 | 2019-10-10 | 北京大学 | 用于视频编解码的方法和设备 |
| JP7249111B2 (ja) * | 2018-08-15 | 2023-03-30 | 日本放送協会 | 画像符号化装置、画像復号装置、及びプログラム |
| WO2020064729A1 (en) * | 2018-09-24 | 2020-04-02 | Telefonaktiebolaget Lm Ericsson (Publ) | Transformation selection by transmitting a transformation set indicator for use in video coding |
| WO2020064732A1 (en) * | 2018-09-25 | 2020-04-02 | Telefonaktiebolaget Lm Ericsson (Publ) | Transformation selection by transmitting a transformation set indicator for use in video coding |
| WO2020106668A1 (en) * | 2018-11-22 | 2020-05-28 | Interdigital Vc Holdings, Inc. | Quantization for video encoding and decoding |
| CN109788286B (zh) | 2019-02-01 | 2021-06-18 | 北京大学深圳研究生院 | 一种编码、解码变换方法、系统、设备及计算机可读介质 |
| WO2020216282A1 (en) | 2019-04-23 | 2020-10-29 | Beijing Bytedance Network Technology Co., Ltd. | Context modeling and selection of multiple transform matrix |
| US11122297B2 (en) | 2019-05-03 | 2021-09-14 | Google Llc | Using border-aligned block functions for image compression |
| US11252410B2 (en) * | 2019-06-11 | 2022-02-15 | Tencent America LLC | Method and apparatus for video coding |
| CN114631314A (zh) * | 2019-09-13 | 2022-06-14 | 交互数字Vc控股法国有限公司 | 变换大小与编码工具的相互作用 |
| KR102826586B1 (ko) * | 2019-10-01 | 2025-06-26 | 세종대학교산학협력단 | 주변 움직임에 따른 영상 변환 방법 및 그 장치 |
| EP4038879A1 (en) * | 2019-10-02 | 2022-08-10 | V-Nova International Limited | Use of embedded signalling to correct signal impairments |
| CN114079772B (zh) | 2020-08-21 | 2023-04-07 | 腾讯科技(深圳)有限公司 | 视频解码方法、装置、计算机可读介质及电子设备 |
| US11683490B2 (en) * | 2020-09-10 | 2023-06-20 | Tencent America LLC | Context adaptive transform set |
| CN113824957B (zh) * | 2020-09-27 | 2022-10-28 | 腾讯科技(深圳)有限公司 | 视频编解码方法、装置及电子设备 |
| CN112862106B (zh) * | 2021-01-19 | 2024-01-30 | 中国人民大学 | 一种基于自适应编解码迭代学习控制信息传输系统和方法 |
| CN114979655B (zh) | 2021-02-21 | 2025-03-11 | 腾讯科技(深圳)有限公司 | 视频编解码方法、装置、计算机可读介质及电子设备 |
| WO2023146358A1 (ko) * | 2022-01-27 | 2023-08-03 | 세종대학교 산학협력단 | 영상 부호화/복호화 방법 및 장치 |
| WO2025135643A1 (ko) * | 2023-12-20 | 2025-06-26 | 현대자동차주식회사 | 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체 |
| WO2025149522A1 (en) * | 2024-01-09 | 2025-07-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decoder, encoder and corresponding methods for prediction-based residual coding |
Family Cites Families (53)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61285869A (ja) * | 1985-06-12 | 1986-12-16 | Toshiba Corp | 画像符号化方式 |
| JP2637093B2 (ja) | 1987-03-13 | 1997-08-06 | 株式会社東芝 | 画像符号化方式 |
| JPH01240032A (ja) * | 1988-03-22 | 1989-09-25 | Toshiba Corp | 適応kl変換符号化方式及びその復号化方式 |
| KR0166722B1 (ko) * | 1992-11-30 | 1999-03-20 | 윤종용 | 부호화 및 복호화방법 및 그 장치 |
| TW224553B (en) | 1993-03-01 | 1994-06-01 | Sony Co Ltd | Method and apparatus for inverse discrete consine transform and coding/decoding of moving picture |
| US5592228A (en) | 1993-03-04 | 1997-01-07 | Kabushiki Kaisha Toshiba | Video encoder using global motion estimation and polygonal patch motion estimation |
| JPH06284412A (ja) | 1993-03-26 | 1994-10-07 | Sony Corp | 画像信号符号化方法および画像信号符号化装置、画像信号復号化方法および画像信号復号化装置、ならびに画像信号記録媒体 |
| JPH0787448A (ja) | 1993-06-30 | 1995-03-31 | Victor Co Of Japan Ltd | デジタル映像信号の符号化回路及び復号化回路 |
| KR0129573B1 (ko) * | 1994-04-30 | 1998-04-10 | 배순훈 | 디지탈 화상 복호화를 위한 디씨(dc) 계수의 오차보상 방법 |
| JPH0846971A (ja) * | 1994-07-29 | 1996-02-16 | Sharp Corp | 動画像符号化装置 |
| US5748786A (en) * | 1994-09-21 | 1998-05-05 | Ricoh Company, Ltd. | Apparatus for compression using reversible embedded wavelets |
| US6011864A (en) | 1996-07-03 | 2000-01-04 | Apple Computer, Inc. | Digital image coding system having self-adjusting selection criteria for selecting a transform function |
| JPH11234638A (ja) | 1998-02-16 | 1999-08-27 | Canon Inc | 画像符号化装置及び方法並びに記憶媒体 |
| JP3670554B2 (ja) * | 2000-04-25 | 2005-07-13 | 日本電信電話株式会社 | 画像信号符号化装置/復号装置,画像信号符号化方法/復号方法および画像信号符号化/復号プログラム記録媒体 |
| JP4695820B2 (ja) * | 2000-07-06 | 2011-06-08 | メイヤー,トーマス,ダブリュー | ディジタル信号内にデータをステガノグラフィック埋め込みするための装置及び方法 |
| EP1202577B1 (fr) | 2000-10-10 | 2006-05-17 | Koninklijke Philips Electronics N.V. | Procédé de traîtement de données vidéo |
| CN100429644C (zh) * | 2000-10-23 | 2008-10-29 | 国际商业机器公司 | 使用比例项、早期中止和精度细算的更快速变换 |
| JP3887178B2 (ja) | 2001-04-09 | 2007-02-28 | 株式会社エヌ・ティ・ティ・ドコモ | 信号符号化方法及び装置並びに復号方法及び装置 |
| JP2002325170A (ja) | 2001-04-24 | 2002-11-08 | Canon Inc | 画像処理装置及びその方法並びにプログラムコード、記憶媒体 |
| CN101448162B (zh) | 2001-12-17 | 2013-01-02 | 微软公司 | 处理视频图像的方法 |
| US20030118097A1 (en) * | 2001-12-21 | 2003-06-26 | Koninklijke Philips Electronics N.V. | System for realization of complexity scalability in a layered video coding framework |
| JP4447197B2 (ja) | 2002-01-07 | 2010-04-07 | 三菱電機株式会社 | 動画像符号化装置および動画像復号装置 |
| US20040125204A1 (en) | 2002-12-27 | 2004-07-01 | Yoshihisa Yamada | Moving picture coding apparatus and moving picture decoding apparatus |
| US7317759B1 (en) | 2002-02-28 | 2008-01-08 | Carnegie Mellon University | System and methods for video compression mode decisions |
| CN100337064C (zh) | 2002-07-24 | 2007-09-12 | 大金工业株式会社 | 除湿单元 |
| GB2401502B (en) | 2003-05-07 | 2007-02-14 | British Broadcasting Corp | Data processing |
| JP2005167655A (ja) * | 2003-12-03 | 2005-06-23 | Matsushita Electric Ind Co Ltd | 変換符号化方法および変換復号化方法 |
| US7551793B2 (en) | 2004-01-14 | 2009-06-23 | Samsung Electronics Co., Ltd. | Methods and apparatuses for adaptive loop filtering for reducing blocking artifacts |
| KR100596705B1 (ko) | 2004-03-04 | 2006-07-04 | 삼성전자주식회사 | 비디오 스트리밍 서비스를 위한 비디오 코딩 방법과 비디오 인코딩 시스템, 및 비디오 디코딩 방법과 비디오 디코딩 시스템 |
| US8116374B2 (en) * | 2004-05-07 | 2012-02-14 | Broadcom Corporation | Method and system for generating a transform size syntax element for video decoding |
| JP4247680B2 (ja) * | 2004-07-07 | 2009-04-02 | ソニー株式会社 | 符号化装置、符号化方法、符号化方法のプログラム及び符号化方法のプログラムを記録した記録媒体 |
| JP4236266B2 (ja) | 2004-08-27 | 2009-03-11 | キヤノン株式会社 | データ変換装置およびその方法 |
| CN100568974C (zh) * | 2004-09-08 | 2009-12-09 | 松下电器产业株式会社 | 动态图像编码方法及动态图像解码方法 |
| JP2006157481A (ja) | 2004-11-30 | 2006-06-15 | Canon Inc | 画像符号化装置及びその方法 |
| KR20060123939A (ko) * | 2005-05-30 | 2006-12-05 | 삼성전자주식회사 | 영상의 복부호화 방법 및 장치 |
| KR101088375B1 (ko) | 2005-07-21 | 2011-12-01 | 삼성전자주식회사 | 가변 블록 변환 장치 및 방법 및 이를 이용한 영상부호화/복호화 장치 및 방법 |
| KR101037855B1 (ko) * | 2005-07-22 | 2011-05-31 | 미쓰비시덴키 가부시키가이샤 | 화상 부호화 장치, 화상 복호 장치, 화상 부호화 방법 및 화상 복호 방법 |
| KR100727969B1 (ko) * | 2005-08-27 | 2007-06-14 | 삼성전자주식회사 | 영상의 부호화 및 복호화 장치와, 그 방법, 및 이를수행하기 위한 프로그램이 기록된 기록 매체 |
| KR100813963B1 (ko) | 2005-09-16 | 2008-03-14 | 세종대학교산학협력단 | 동영상의 무손실 부호화, 복호화 방법 및 장치 |
| KR100750137B1 (ko) | 2005-11-02 | 2007-08-21 | 삼성전자주식회사 | 영상의 부호화,복호화 방법 및 장치 |
| JP4829019B2 (ja) * | 2006-07-06 | 2011-11-30 | 株式会社東芝 | 通信端末装置 |
| KR101354151B1 (ko) * | 2006-08-24 | 2014-01-28 | 삼성전자주식회사 | 영상 변환 방법 및 장치, 역변환 방법 및 장치 |
| KR100927733B1 (ko) | 2006-09-20 | 2009-11-18 | 한국전자통신연구원 | 잔여계수의 상관성에 따라 변환기를 선택적으로 이용한부호화/복호화 장치 및 그 방법 |
| US9319700B2 (en) | 2006-10-12 | 2016-04-19 | Qualcomm Incorporated | Refinement coefficient coding based on history of corresponding transform coefficient values |
| JP5134001B2 (ja) | 2006-10-18 | 2013-01-30 | アップル インコーポレイテッド | 下層のフィルタリングを備えたスケーラブルビデオ符号化 |
| US8358703B2 (en) * | 2007-03-23 | 2013-01-22 | Thomson Licensing | Modifying a coded bitstream |
| US8488672B2 (en) | 2007-04-17 | 2013-07-16 | Qualcomm Incorporated | Mode uniformity signaling for intra-coding |
| US8488668B2 (en) * | 2007-06-15 | 2013-07-16 | Qualcomm Incorporated | Adaptive coefficient scanning for video coding |
| US8437564B2 (en) | 2007-08-07 | 2013-05-07 | Ntt Docomo, Inc. | Image and video compression using sparse orthonormal transforms |
| US8363728B2 (en) | 2008-04-18 | 2013-01-29 | Sony Corporation | Block based codec friendly edge detection and transform selection |
| US8285068B2 (en) | 2008-06-25 | 2012-10-09 | Cisco Technology, Inc. | Combined deblocking and denoising filter |
| BRPI0924044B1 (pt) | 2009-01-27 | 2022-09-20 | Interdigital Vc Holdings, Inc | Métodos e aparelhos para seleções de transformada em codificação e decodificação de vídeo |
| US8630341B2 (en) | 2011-01-14 | 2014-01-14 | Mitsubishi Electric Research Laboratories, Inc. | Method for training and utilizing separable transforms for video coding |
-
2009
- 2009-10-21 BR BRPI0924044-6A patent/BRPI0924044B1/pt active IP Right Grant
- 2009-10-21 WO PCT/US2009/005730 patent/WO2010087808A1/en not_active Ceased
- 2009-10-21 KR KR1020217006380A patent/KR20210028283A/ko not_active Ceased
- 2009-10-21 CN CN200980155459.6A patent/CN102301708B/zh active Active
- 2009-10-21 KR KR1020197009633A patent/KR20190039350A/ko not_active Ceased
- 2009-10-21 JP JP2011547886A patent/JP2012516627A/ja active Pending
- 2009-10-21 BR BR122015015910-5A patent/BR122015015910B1/pt active IP Right Grant
- 2009-10-21 EP EP09839385A patent/EP2382777A4/en not_active Ceased
- 2009-10-21 EP EP09839384A patent/EP2392136A4/en not_active Ceased
- 2009-10-21 EP EP15185858.6A patent/EP2991352A1/en not_active Ceased
- 2009-10-21 KR KR1020117017122A patent/KR20110106403A/ko not_active Ceased
- 2009-10-21 CN CN201510614280.XA patent/CN105120281B/zh active Active
- 2009-10-21 US US13/138,088 patent/US9161031B2/en active Active
- 2009-10-21 EP EP20153461.7A patent/EP3668098A1/en not_active Ceased
- 2009-10-21 KR KR1020197037562A patent/KR20190143460A/ko not_active Ceased
- 2009-10-21 EP EP09839386A patent/EP2382778A4/en not_active Ceased
- 2009-10-21 KR KR1020177027459A patent/KR20170116204A/ko not_active Ceased
- 2009-10-21 JP JP2011547884A patent/JP2012516625A/ja active Pending
- 2009-10-21 CN CN200980155457.7A patent/CN102308578B/zh active Active
- 2009-10-21 US US13/138,179 patent/US9774864B2/en active Active
- 2009-10-21 KR KR1020177027570A patent/KR20170116216A/ko not_active Ceased
- 2009-10-21 KR KR1020187031007A patent/KR20180123153A/ko not_active Ceased
- 2009-10-21 US US13/138,287 patent/US9049443B2/en active Active
- 2009-10-21 WO PCT/US2009/005731 patent/WO2010087809A1/en not_active Ceased
- 2009-10-21 KR KR1020217015624A patent/KR20210064398A/ko not_active Ceased
- 2009-10-21 KR KR1020207009150A patent/KR20200036953A/ko not_active Ceased
- 2009-10-21 WO PCT/US2009/005720 patent/WO2010087807A1/en not_active Ceased
- 2009-10-21 KR KR1020227029540A patent/KR20220123340A/ko not_active Ceased
- 2009-10-21 KR KR1020117016968A patent/KR20110106394A/ko not_active Ceased
- 2009-10-21 CN CN200980155458.1A patent/CN102301707B/zh active Active
- 2009-10-21 BR BRPI0924155-8A patent/BRPI0924155B1/pt active IP Right Grant
- 2009-10-21 BR BRPI0924167A patent/BRPI0924167A2/pt not_active Application Discontinuation
- 2009-10-21 JP JP2011547885A patent/JP2012516626A/ja active Pending
- 2009-10-21 KR KR1020227008183A patent/KR20220041931A/ko not_active Ceased
- 2009-10-21 KR KR1020177028025A patent/KR101834825B1/ko active Active
- 2009-10-21 KR KR1020247031244A patent/KR20240145048A/ko active Pending
- 2009-10-21 KR KR1020117017121A patent/KR20110106402A/ko not_active Ceased
-
2015
- 2015-05-29 US US14/726,389 patent/US10178411B2/en active Active
- 2015-12-01 JP JP2015234536A patent/JP2016067026A/ja active Pending
- 2015-12-04 JP JP2015237990A patent/JP2016076971A/ja active Pending
- 2015-12-04 JP JP2015238095A patent/JP2016076972A/ja active Pending
-
2016
- 2016-08-29 HK HK16110260.4A patent/HK1222274A1/en unknown
-
2018
- 2018-01-31 JP JP2018015101A patent/JP2018093522A/ja active Pending
- 2018-07-20 JP JP2018136538A patent/JP2018186556A/ja active Pending
- 2018-08-02 JP JP2018145999A patent/JP2018201222A/ja not_active Ceased
- 2018-11-28 US US16/202,250 patent/US20190191184A1/en not_active Abandoned
-
2020
- 2020-07-21 JP JP2020124479A patent/JP2020191647A/ja not_active Ceased
-
2022
- 2022-08-12 JP JP2022128799A patent/JP7519411B2/ja active Active
- 2022-10-21 US US17/970,920 patent/US20230051065A1/en not_active Abandoned
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BRPI0924044B1 (pt) | Métodos e aparelhos para seleções de transformada em codificação e decodificação de vídeo | |
| KR102143908B1 (ko) | 계층적 분할 내에서 블록 레벨 변환 선택 및 암시적 시그널링을 이용한 변환 코딩을 위한 방법 및 장치 | |
| CN113632493B (zh) | 变换跳过模式中的子块变换 | |
| US20180091817A1 (en) | Methods and apparatus for transform selection in video encoding and decoding | |
| KR20120060886A (ko) | 인트라 예측 모드의 효율적인 비디오 인코딩 및 디코딩에 대한 방법 및 장치 | |
| CN111052743B (zh) | 视频编码中用于局部选择变换集的变换池 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: PAGAR RESTAURACAO. |
|
| B08G | Application fees: restoration [chapter 8.7 patent gazette] | ||
| B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
| B25G | Requested change of headquarter approved |
Owner name: THOMSON LICENSING (FR) |
|
| B25G | Requested change of headquarter approved |
Owner name: THOMSON LICENSING (FR) |
|
| B25A | Requested transfer of rights approved |
Owner name: INTERDIGITAL VC HOLDINGS, INC. (US) |
|
| B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
| B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
| B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
| B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 21/10/2009, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME ADI 5.529/DF, QUE DETERMINA A ALTERACAO DO PRAZO DE CONCESSAO. |