BRPI0924155A2 - métodos e aparelho para transformar a seleção em codificação e decodificação de video - Google Patents
métodos e aparelho para transformar a seleção em codificação e decodificação de videoInfo
- Publication number
- BRPI0924155A2 BRPI0924155A2 BRPI0924155A BRPI0924155A BRPI0924155A2 BR PI0924155 A2 BRPI0924155 A2 BR PI0924155A2 BR PI0924155 A BRPI0924155 A BR PI0924155A BR PI0924155 A BRPI0924155 A BR PI0924155A BR PI0924155 A2 BRPI0924155 A2 BR PI0924155A2
- Authority
- BR
- Brazil
- Prior art keywords
- decoding
- methods
- video encoding
- turning selection
- turning
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—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
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
-
- 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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/46—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
- H04N19/70—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)
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/US2009/005731 WO2010087809A1 (en) | 2009-01-27 | 2009-10-21 | Methods and apparatus for transform selection in video encoding and decoding |
Publications (2)
Publication Number | Publication Date |
---|---|
BRPI0924155A2 true BRPI0924155A2 (pt) | 2016-10-04 |
BRPI0924155B1 BRPI0924155B1 (pt) | 2021-09-14 |
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 |
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 |
BR122015015910-5A BR122015015910B1 (pt) | 2009-01-27 | 2009-10-21 | Métodos e aparelhos para seleções de transformada em codificação e decodificação de vídeo |
Family Applications Before (1)
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 |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0924167A BRPI0924167A2 (pt) | 2009-01-27 | 2009-10-21 | métodos e aparelho para transformar a seleção 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 |
Country Status (8)
Country | Link |
---|---|
US (6) | US9161031B2 (pt) |
EP (5) | EP2382777A4 (pt) |
JP (11) | JP2012516625A (pt) |
KR (14) | KR20110106402A (pt) |
CN (4) | CN102301708B (pt) |
BR (4) | BRPI0924044B1 (pt) |
HK (1) | HK1222274A1 (pt) |
WO (3) | WO2010087807A1 (pt) |
Families Citing this family (73)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012516625A (ja) | 2009-01-27 | 2012-07-19 | トムソン ライセンシング | ビデオ符号化およびビデオ復号における変換の選択のための方法および装置 |
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 |
US9277245B2 (en) * | 2010-03-10 | 2016-03-01 | Thomson Licensing | Methods and apparatus for constrained transforms for video coding and decoding having transform selection |
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 |
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 |
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 |
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 |
US9338449B2 (en) | 2011-03-08 | 2016-05-10 | Qualcomm Incorporated | Harmonized scan order for coding transform coefficients in 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 |
PL231161B1 (pl) * | 2011-10-17 | 2019-01-31 | Kt Corp | Sposób dekodowania sygnału wideo |
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 |
KR20130050406A (ko) * | 2011-11-07 | 2013-05-16 | 오수미 | 머지 모드에서의 움직임 정보 생성 방법 |
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 |
EP2805493A1 (en) * | 2012-01-17 | 2014-11-26 | Futurewei Technologies, Inc. | In-loop filtering for lossless coding mode in high efficiency video coding |
US9008184B2 (en) | 2012-01-20 | 2015-04-14 | Blackberry Limited | Multiple sign bit hiding within a transform unit |
EP3094094B1 (en) * | 2012-01-20 | 2018-03-28 | 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 |
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 |
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 |
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 |
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 |
US10623777B2 (en) * | 2016-02-16 | 2020-04-14 | Samsung Electronics Co., Ltd. | Image encoding method and apparatus, and image decoding method and apparatus |
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 |
MX2019011211A (es) * | 2017-03-21 | 2019-12-05 | Lg Electronics Inc | Metodo de transformacion en el sistema de codificacion de imagenes y aparato para el mismo. |
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 |
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 |
CN113711597B (zh) * | 2019-04-23 | 2022-11-25 | 北京字节跳动网络技术有限公司 | 上下文建模和多重变换矩阵的选择 |
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 |
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 |
ATE480838T1 (de) * | 2000-07-06 | 2010-09-15 | Thomas W Meyer | Steganographishe dateneinbettung in digitalen signalen |
EP1202577B1 (fr) * | 2000-10-10 | 2006-05-17 | Koninklijke Philips Electronics N.V. | Procédé de traîtement de données vidéo |
EP1352336A4 (en) | 2000-10-23 | 2006-09-06 | Ibm | FASTER TRANSFORMATIONS THROUGH THE USE OF SCALED TERMS, EARLY BREAKDOWN AND PRECISION REFINANCES |
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 |
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 |
US8179962B2 (en) | 2004-09-08 | 2012-05-15 | Panasonic Corporation | Motion image encoding method and motion image decoding method |
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 |
JP4542107B2 (ja) * | 2005-07-22 | 2010-09-08 | 三菱電機株式会社 | 画像復号装置及び画像復号方法 |
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 |
JP5277180B2 (ja) | 2007-03-23 | 2013-08-28 | トムソン ライセンシング | 符号化ビットストリームの修正 |
US8238428B2 (en) * | 2007-04-17 | 2012-08-07 | Qualcomm Incorporated | Pixel-by-pixel weighting for intra-frame 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 |
JP2012516625A (ja) | 2009-01-27 | 2012-07-19 | トムソン ライセンシング | ビデオ符号化およびビデオ復号における変換の選択のための方法および装置 |
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 JP JP2011547884A patent/JP2012516625A/ja active Pending
- 2009-10-21 BR BRPI0924044-6A patent/BRPI0924044B1/pt active IP Right Grant
- 2009-10-21 KR KR1020117017121A patent/KR20110106402A/ko active Search and Examination
- 2009-10-21 JP JP2011547885A patent/JP2012516626A/ja active Pending
- 2009-10-21 KR KR1020197037562A patent/KR20190143460A/ko active Application Filing
- 2009-10-21 KR KR1020227008183A patent/KR20220041931A/ko not_active IP Right Cessation
- 2009-10-21 CN CN200980155459.6A patent/CN102301708B/zh active Active
- 2009-10-21 EP EP09839385A patent/EP2382777A4/en not_active Ceased
- 2009-10-21 CN CN201510614280.XA patent/CN105120281B/zh active Active
- 2009-10-21 KR KR1020177027570A patent/KR20170116216A/ko active Search and Examination
- 2009-10-21 KR KR1020227029540A patent/KR20220123340A/ko not_active Application Discontinuation
- 2009-10-21 WO PCT/US2009/005720 patent/WO2010087807A1/en active Application Filing
- 2009-10-21 KR KR1020117017122A patent/KR20110106403A/ko active Search and Examination
- 2009-10-21 BR BRPI0924155-8A patent/BRPI0924155B1/pt active IP Right Grant
- 2009-10-21 WO PCT/US2009/005730 patent/WO2010087808A1/en active Application Filing
- 2009-10-21 KR KR1020117016968A patent/KR20110106394A/ko active Search and Examination
- 2009-10-21 KR KR1020197009633A patent/KR20190039350A/ko active Application Filing
- 2009-10-21 EP EP20153461.7A patent/EP3668098A1/en active Pending
- 2009-10-21 EP EP09839386A patent/EP2382778A4/en not_active Ceased
- 2009-10-21 KR KR1020217015624A patent/KR20210064398A/ko not_active IP Right Cessation
- 2009-10-21 EP EP09839384A patent/EP2392136A4/en not_active Ceased
- 2009-10-21 KR KR1020177028025A patent/KR101834825B1/ko active IP Right Grant
- 2009-10-21 BR BRPI0924167A patent/BRPI0924167A2/pt not_active Application Discontinuation
- 2009-10-21 CN CN200980155457.7A patent/CN102308578B/zh active Active
- 2009-10-21 BR BR122015015910-5A patent/BR122015015910B1/pt active IP Right Grant
- 2009-10-21 WO PCT/US2009/005731 patent/WO2010087809A1/en active Application Filing
- 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 US US13/138,287 patent/US9049443B2/en active Active
- 2009-10-21 KR KR1020187031007A patent/KR20180123153A/ko not_active Application Discontinuation
- 2009-10-21 US US13/138,179 patent/US9774864B2/en active Active
- 2009-10-21 CN CN200980155458.1A patent/CN102301707B/zh active Active
- 2009-10-21 KR KR1020177027459A patent/KR20170116204A/ko active Application Filing
- 2009-10-21 KR KR1020217006380A patent/KR20210028283A/ko not_active IP Right Cessation
- 2009-10-21 JP JP2011547886A patent/JP2012516627A/ja active Pending
- 2009-10-21 KR KR1020207009150A patent/KR20200036953A/ko active Application Filing
-
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/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 active Pending
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BRPI0924155A2 (pt) | métodos e aparelho para transformar a seleção em codificação e decodificação de video | |
HK1249313B (zh) | 解碼器、解碼和編碼視頻的方法 | |
HK1208293A1 (en) | Video encoding decoding method and apparatus | |
EP2493197A4 (en) | METHOD AND DEVICE FOR VIDEO ENCODING AND DECODING | |
BR112013033899A2 (pt) | método de decodificar vídeo, aparelho para decodificar vídeo, método para codificar vídeo, e aparelho para codificação de vídeo | |
BRPI0822364A2 (pt) | método e aparelho de codificação/decodificação de vídeo | |
PT3070945T (pt) | Dispositivo de descodificação de previsão de imagem, método de descodificação de previsão de imagem | |
BRPI0811587A2 (pt) | Aparelho e método para codificar e decodificar sinais | |
BRPI0910340A2 (pt) | método e aparelho para codificação e decodificação de vídeo | |
PL3101897T3 (pl) | Urządzenie i sposób kodowania ruchomych obrazów, urządzenie i sposób dekodowania ruchomych obrazów, strumień bitów | |
BRPI1011333A2 (pt) | dispositivo de codificação e de decodificação de vídeo, e, métodos de codificação e de decodificação de vídeo | |
HUE055116T2 (hu) | Videó kódolási és dekódolási eljárás | |
EP2630799A4 (en) | METHOD AND DEVICE FOR VIDEO CODING AND DECODING | |
HK1164025A1 (en) | A method and apparatus for encoding and decoding | |
HK1186030A1 (zh) | 圖像編碼設備、圖像解碼設備、圖像編碼方法、圖像解碼方法和程序 | |
EP2760205A4 (en) | IMAGE ENCODING METHOD, IMAGE DECODING METHOD, IMAGE ENCODING DEVICE, IMAGE DECODING DEVICE, AND IMAGE ENCODING / DECODING DEVICE | |
SG10201400802XA (en) | Image predictive encoding device, image predictive encoding method, image predictive encoding program, image predictive decoding device, image predictive decoding method, and image predictive decoding program | |
EP2400738A4 (en) | BILDCODER, &8209; PROCESS AND PROGRAM AND IMAGE DECODER, &8209; PROCESS AND PROGRAM | |
SG10201501390XA (en) | Moving image prediction encoding device, moving image prediction encoding method, moving image prediction encoding program, moving image prediction decoding device, moving image prediction decoding method, and moving image prediction decoding program | |
BRPI0922793A2 (pt) | métodos de codificação e de decodificação de imagens em movimento | |
EP2605516A4 (en) | PICTURE CODING, PICTURE DECODING, PICTURE CODING DEVICE, IMAGE CODING DEVICE AND PROGRAM THEREFOR | |
EP2489194A4 (en) | VIDEO ENCODING AND DECODING METHODS | |
EP2432226A4 (en) | DEVICE, METHOD AND PROGRAM FOR ENCODING MOVING IMAGES AND DEVICE, METHOD AND PROGRAM FOR DECOMPOSING MOVING IMAGES | |
GB0911513D0 (en) | Encoding/decoding apparatus and method | |
EP2557791A4 (en) | ANIMATED IMAGE ENCODING DEVICE, ANIMATED IMAGE ENCODING METHOD, ANIMATED IMAGE ENCODING PROGRAM, ANIMATED IMAGE DECODING DEVICE, ANIMATED IMAGE DECODING METHOD, AND ANIMATED IMAGE DECODING PROGRAM |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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] | ||
B15K | Others concerning applications: alteration of classification |
Free format text: A CLASSIFICACAO ANTERIOR ERA: H04N 7/12 Ipc: H04N 19/12 (2014.01), H04N 19/139 (2014.01), H04N |
|
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B350 | Update of information on the portal [chapter 15.35 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. |