CN102301708B - 视频编码和解码中用于变换选择的方法和装置 - Google Patents
视频编码和解码中用于变换选择的方法和装置 Download PDFInfo
- Publication number
- CN102301708B CN102301708B CN200980155459.6A CN200980155459A CN102301708B CN 102301708 B CN102301708 B CN 102301708B CN 200980155459 A CN200980155459 A CN 200980155459A CN 102301708 B CN102301708 B CN 102301708B
- Authority
- CN
- China
- Prior art keywords
- group
- conversion
- transform
- block
- decoder
- 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 66
- 238000013139 quantization Methods 0.000 claims abstract description 12
- 239000013598 vector Substances 0.000 claims abstract description 10
- 230000009466 transformation Effects 0.000 claims description 77
- 238000006243 chemical reaction Methods 0.000 claims 44
- 238000007670 refining Methods 0.000 claims 3
- 230000006870 function Effects 0.000 description 104
- 238000004891 communication Methods 0.000 description 75
- 238000000844 transformation Methods 0.000 description 30
- 230000008901 benefit Effects 0.000 description 21
- 238000013459 approach Methods 0.000 description 16
- 230000000875 corresponding effect Effects 0.000 description 14
- 238000012549 training Methods 0.000 description 14
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000000977 initiatory effect Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000005457 optimization Methods 0.000 description 4
- 230000000153 supplemental effect Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000011664 signaling Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 230000007704 transition Effects 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
- H04N19/60—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)
Abstract
Description
Claims (20)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510614280.XA CN105120281B (zh) | 2009-01-27 | 2009-10-21 | 视频编码和解码中用于变换选择的方法和装置 |
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/US2009/005720 WO2010087807A1 (en) | 2009-01-27 | 2009-10-21 | Methods and apparatus for transform selection in video encoding and decoding |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510614280.XA Division CN105120281B (zh) | 2009-01-27 | 2009-10-21 | 视频编码和解码中用于变换选择的方法和装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102301708A CN102301708A (zh) | 2011-12-28 |
CN102301708B true CN102301708B (zh) | 2015-11-25 |
Family
ID=42395863
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200980155459.6A Active CN102301708B (zh) | 2009-01-27 | 2009-10-21 | 视频编码和解码中用于变换选择的方法和装置 |
CN200980155457.7A Active CN102308578B (zh) | 2009-01-27 | 2009-10-21 | 视频编码和解码中用于变换选择的方法和装置 |
CN201510614280.XA Active CN105120281B (zh) | 2009-01-27 | 2009-10-21 | 视频编码和解码中用于变换选择的方法和装置 |
CN200980155458.1A Active CN102301707B (zh) | 2009-01-27 | 2009-10-21 | 视频编码和解码中用于变换选择的方法和装置 |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200980155457.7A Active CN102308578B (zh) | 2009-01-27 | 2009-10-21 | 视频编码和解码中用于变换选择的方法和装置 |
CN201510614280.XA Active CN105120281B (zh) | 2009-01-27 | 2009-10-21 | 视频编码和解码中用于变换选择的方法和装置 |
CN200980155458.1A Active CN102301707B (zh) | 2009-01-27 | 2009-10-21 | 视频编码和解码中用于变换选择的方法和装置 |
Country Status (8)
Country | Link |
---|---|
US (6) | US9161031B2 (zh) |
EP (5) | EP2991352A1 (zh) |
JP (11) | JP2012516625A (zh) |
KR (15) | KR20170116216A (zh) |
CN (4) | CN102301708B (zh) |
BR (4) | BRPI0924155B1 (zh) |
HK (1) | HK1222274A1 (zh) |
WO (3) | WO2010087807A1 (zh) |
Families Citing this family (73)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170116216A (ko) | 2009-01-27 | 2017-10-18 | 톰슨 라이센싱 | 비디오 인코딩 및 디코딩에서 변환 선택을 위한 방법 및 장치 |
KR101527085B1 (ko) * | 2009-06-30 | 2015-06-10 | 한국전자통신연구원 | 인트라 부호화/복호화 방법 및 장치 |
KR101837206B1 (ko) * | 2009-07-23 | 2018-03-09 | 톰슨 라이센싱 | 비디오 인코딩 및 디코딩에서 적응적 변환 선택을 위한 방법들 및 장치 |
CN102918564B (zh) * | 2010-03-10 | 2016-10-26 | 汤姆森特许公司 | 具有变换选择的视频编码和解码的约束变换的方法和装置 |
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 |
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 |
US20130177077A1 (en) * | 2010-07-15 | 2013-07-11 | Agency For Science, Technology And Research | Method, Apparatus and Computer Program Product for Encoding Video Data |
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 |
US20120230418A1 (en) | 2011-03-08 | 2012-09-13 | Qualcomm Incorporated | 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 |
US9491469B2 (en) | 2011-06-28 | 2016-11-08 | Qualcomm Incorporated | Coding of last significant transform coefficient |
US8929455B2 (en) * | 2011-07-01 | 2015-01-06 | Mitsubishi Electric Research Laboratories, Inc. | Method for selecting transform types from mapping table for prediction modes |
KR101718953B1 (ko) | 2011-10-17 | 2017-03-22 | 주식회사 케이티 | 영상 부호화/복호화 방법 및 그 장치 |
IN2014DN03096A (zh) * | 2011-10-17 | 2015-05-15 | Kt Corp | |
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 |
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 |
FR2982983A1 (fr) * | 2011-11-22 | 2013-05-24 | Thomson Licensing | Procede de codage et de reconstruction d'un bloc de pixels et dispositifs correspondants |
EP3767948A1 (en) * | 2012-01-17 | 2021-01-20 | Huawei Technologies Co., Ltd. | In-loop filtering for lossless coding mode in high efficiency video coding |
EP3094094B1 (en) * | 2012-01-20 | 2018-03-28 | BlackBerry Limited | Multiple sign bit hiding within a transform unit |
US9008184B2 (en) | 2012-01-20 | 2015-04-14 | Blackberry 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 |
US9258389B2 (en) | 2012-08-13 | 2016-02-09 | Gurulogic Microsystems Oy | Encoder and method |
US8675731B2 (en) | 2012-08-13 | 2014-03-18 | Gurulogic Microsystems Oy | Encoder and method |
US9538239B2 (en) * | 2012-08-13 | 2017-01-03 | Gurulogic Microsystems Oy | Decoder and method for decoding encoded input data containing a plurality of blocks or packets |
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 |
US9967559B1 (en) | 2013-02-11 | 2018-05-08 | Google Llc | Motion vector dependent spatial transformation in video coding |
US9544597B1 (en) | 2013-02-11 | 2017-01-10 | Google Inc. | Hybrid transform in video encoding and decoding |
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 |
KR102143908B1 (ko) * | 2015-12-23 | 2020-08-28 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 계층적 분할 내에서 블록 레벨 변환 선택 및 암시적 시그널링을 이용한 변환 코딩을 위한 방법 및 장치 |
WO2017142319A1 (ko) * | 2016-02-16 | 2017-08-24 | 삼성전자 주식회사 | 영상 부호화 방법 및 장치와 영상 복호화 방법 및 장치 |
KR102531124B1 (ko) | 2016-07-14 | 2023-05-10 | 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 |
KR102171362B1 (ko) * | 2017-03-21 | 2020-10-28 | 엘지전자 주식회사 | 영상 코딩 시스템에서 변환 방법 및 그 장치 |
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 |
CN110291791A (zh) * | 2018-04-02 | 2019-09-27 | 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 |
EP3884668A1 (en) * | 2018-11-22 | 2021-09-29 | 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 |
CN113728641B (zh) * | 2019-04-23 | 2023-09-15 | 北京字节跳动网络技术有限公司 | 在视频编解码中有条件地使用多重变换矩阵 |
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 |
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 |
WO2023146358A1 (ko) * | 2022-01-27 | 2023-08-03 | 세종대학교 산학협력단 | 영상 부호화/복호화 방법 및 장치 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1926873A (zh) * | 2004-03-04 | 2007-03-07 | 三星电子株式会社 | 用于视频流传输业务的视频编码和解码方法及系统 |
Family Cites Families (52)
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 |
CA2412984A1 (en) * | 2000-07-06 | 2002-01-10 | Josslyn Motha Meyer | Steganographic embedding of data in digital signals |
DE60119660T2 (de) | 2000-10-10 | 2007-02-22 | Koninklijke Philips Electronics N.V. | Verfahren zur Verarbeitung von Videodateien |
JP2004523815A (ja) | 2000-10-23 | 2004-08-05 | インターナショナル・ビジネス・マシーンズ・コーポレーション | スケーリング項、アーリー・アボート、および精度リファインメントを用いた高速変換 |
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 |
US20040125204A1 (en) | 2002-12-27 | 2004-07-01 | Yoshihisa Yamada | Moving picture coding apparatus and moving picture decoding apparatus |
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 |
US7317759B1 (en) | 2002-02-28 | 2008-01-08 | Carnegie Mellon University | System and methods for video compression mode decisions |
EP1553355A4 (en) | 2002-07-24 | 2010-01-20 | Daikin Ind Ltd | DEHUMIDIFICATION ELEMENT |
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 |
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 |
WO2006028088A1 (ja) | 2004-09-08 | 2006-03-16 | Matsushita Electric Industrial Co., Ltd. | 動画像符号化方法および動画像復号化方法 |
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 |
BRPI0611672A2 (pt) * | 2005-07-22 | 2009-01-13 | Mitsubishi Electric Corp | codificador e decodificador de imagem, mÉtodo de codificaÇço de imagem, programa de codificaÇço de imagem, meio de gravaÇço legÍvel por computador, mÉtodo de decodificaÇço de imagem, programa de decodificaÇço de imagem, e, corrente de bits codificada por imagem |
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 |
WO2008049052A2 (en) | 2006-10-18 | 2008-04-24 | Apple Inc. | Scalable video coding with filtering of lower layers |
KR101398534B1 (ko) * | 2007-03-23 | 2014-05-27 | 톰슨 라이센싱 | 코딩된 비트스트림의 수정 |
US8238428B2 (en) * | 2007-04-17 | 2012-08-07 | Qualcomm Incorporated | Pixel-by-pixel weighting for intra-frame coding |
US8428133B2 (en) * | 2007-06-15 | 2013-04-23 | Qualcomm Incorporated | Adaptive coding of video block prediction mode |
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 |
KR20170116216A (ko) | 2009-01-27 | 2017-10-18 | 톰슨 라이센싱 | 비디오 인코딩 및 디코딩에서 변환 선택을 위한 방법 및 장치 |
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 KR KR1020177027570A patent/KR20170116216A/ko active Search and Examination
- 2009-10-21 WO PCT/US2009/005720 patent/WO2010087807A1/en active Application Filing
- 2009-10-21 KR KR1020217015624A patent/KR20210064398A/ko not_active IP Right Cessation
- 2009-10-21 US US13/138,088 patent/US9161031B2/en active Active
- 2009-10-21 EP EP15185858.6A patent/EP2991352A1/en not_active Ceased
- 2009-10-21 KR KR1020197009633A patent/KR20190039350A/ko active Application Filing
- 2009-10-21 BR BRPI0924155-8A patent/BRPI0924155B1/pt active IP Right Grant
- 2009-10-21 CN CN200980155459.6A patent/CN102301708B/zh active Active
- 2009-10-21 KR KR1020197037562A patent/KR20190143460A/ko active Application Filing
- 2009-10-21 CN CN200980155457.7A patent/CN102308578B/zh active Active
- 2009-10-21 EP EP20153461.7A patent/EP3668098A1/en active Pending
- 2009-10-21 KR KR1020207009150A patent/KR20200036953A/ko active Application Filing
- 2009-10-21 KR KR1020227029540A patent/KR20220123340A/ko not_active Application Discontinuation
- 2009-10-21 KR KR1020227008183A patent/KR20220041931A/ko not_active IP Right Cessation
- 2009-10-21 US US13/138,287 patent/US9049443B2/en active Active
- 2009-10-21 EP EP09839384A patent/EP2392136A4/en not_active Ceased
- 2009-10-21 KR KR1020117017121A patent/KR20110106402A/ko active Search and Examination
- 2009-10-21 BR BRPI0924044-6A patent/BRPI0924044B1/pt active IP Right Grant
- 2009-10-21 CN CN201510614280.XA patent/CN105120281B/zh active Active
- 2009-10-21 JP JP2011547884A patent/JP2012516625A/ja active Pending
- 2009-10-21 US US13/138,179 patent/US9774864B2/en active Active
- 2009-10-21 KR KR1020117016968A patent/KR20110106394A/ko active Search and Examination
- 2009-10-21 EP EP09839386A patent/EP2382778A4/en not_active Ceased
- 2009-10-21 WO PCT/US2009/005731 patent/WO2010087809A1/en active Application Filing
- 2009-10-21 WO PCT/US2009/005730 patent/WO2010087808A1/en active Application Filing
- 2009-10-21 KR KR1020177028025A patent/KR101834825B1/ko active IP Right Grant
- 2009-10-21 JP JP2011547886A patent/JP2012516627A/ja active Pending
- 2009-10-21 KR KR1020187031007A patent/KR20180123153A/ko not_active Application Discontinuation
- 2009-10-21 BR BR122015015910-5A patent/BR122015015910B1/pt active IP Right Grant
- 2009-10-21 KR KR1020247031244A patent/KR20240145048A/ko active Application Filing
- 2009-10-21 KR KR1020217006380A patent/KR20210028283A/ko not_active IP Right Cessation
- 2009-10-21 CN CN200980155458.1A patent/CN102301707B/zh active Active
- 2009-10-21 BR BRPI0924167A patent/BRPI0924167A2/pt not_active Application Discontinuation
- 2009-10-21 KR KR1020117017122A patent/KR20110106403A/ko active Search and Examination
- 2009-10-21 JP JP2011547885A patent/JP2012516626A/ja active Pending
- 2009-10-21 KR KR1020177027459A patent/KR20170116204A/ko active Application Filing
- 2009-10-21 EP EP09839385A patent/EP2382777A4/en 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 JP2015238095A patent/JP2016076972A/ja active Pending
- 2015-12-04 JP JP2015237990A patent/JP2016076971A/ja active Pending
-
2016
- 2016-08-29 HK HK16110260.4A patent/HK1222274A1/zh 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
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1926873A (zh) * | 2004-03-04 | 2007-03-07 | 三星电子株式会社 | 用于视频流传输业务的视频编码和解码方法及系统 |
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102301708B (zh) | 视频编码和解码中用于变换选择的方法和装置 | |
US20180091817A1 (en) | Methods and apparatus for transform selection in video encoding and decoding |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190130 Address after: Paris France Patentee after: International Digital Madison Patent Holding Co. Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING Effective date of registration: 20190130 Address after: I Si Eli Murli Nor, France Patentee after: THOMSON LICENSING Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING |
|
TR01 | Transfer of patent right |