PT3145197T - Método e aparelho para determinar um modelo de contexto para a transformação de nível de coeficiente de codificação e descodificação de entropia - Google Patents
Método e aparelho para determinar um modelo de contexto para a transformação de nível de coeficiente de codificação e descodificação de entropiaInfo
- Publication number
- PT3145197T PT3145197T PT161970579T PT16197057T PT3145197T PT 3145197 T PT3145197 T PT 3145197T PT 161970579 T PT161970579 T PT 161970579T PT 16197057 T PT16197057 T PT 16197057T PT 3145197 T PT3145197 T PT 3145197T
- Authority
- PT
- Portugal
- Prior art keywords
- determining
- transform coefficient
- entropy decoding
- context model
- coefficient level
- Prior art date
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
-
- 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
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
-
- 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
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic 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
- H04N19/90—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)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161553668P | 2011-10-31 | 2011-10-31 | |
US201261671955P | 2012-07-16 | 2012-07-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
PT3145197T true PT3145197T (pt) | 2018-08-10 |
Family
ID=48192343
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT16197055T PT3166317T (pt) | 2011-10-31 | 2012-10-31 | Método e aparelho para determinar um modelo de contexto para a transformação de nível de coeficiente de codificação e descodificação de entropia |
PT128454964T PT2773109T (pt) | 2011-10-31 | 2012-10-31 | Método e aparelho para determinar um modelo de contexto para a transformação de nível de coeficiente de codificação e descodificação de entropia |
PT161970579T PT3145197T (pt) | 2011-10-31 | 2012-10-31 | Método e aparelho para determinar um modelo de contexto para a transformação de nível de coeficiente de codificação e descodificação de entropia |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT16197055T PT3166317T (pt) | 2011-10-31 | 2012-10-31 | Método e aparelho para determinar um modelo de contexto para a transformação de nível de coeficiente de codificação e descodificação de entropia |
PT128454964T PT2773109T (pt) | 2011-10-31 | 2012-10-31 | Método e aparelho para determinar um modelo de contexto para a transformação de nível de coeficiente de codificação e descodificação de entropia |
Country Status (21)
Country | Link |
---|---|
US (5) | US9414088B2 (pt) |
EP (5) | EP3846479B1 (pt) |
JP (5) | JP5934376B2 (pt) |
KR (6) | KR101598142B1 (pt) |
CN (5) | CN107465933B (pt) |
AU (1) | AU2012333301B2 (pt) |
CA (2) | CA2854074C (pt) |
CY (3) | CY1118368T1 (pt) |
DK (3) | DK3145197T3 (pt) |
ES (4) | ES2682991T3 (pt) |
HR (3) | HRP20161726T1 (pt) |
HU (3) | HUE054305T2 (pt) |
IN (1) | IN2014MN00900A (pt) |
LT (3) | LT2773109T (pt) |
PL (5) | PL3399760T3 (pt) |
PT (3) | PT3166317T (pt) |
RS (3) | RS55403B1 (pt) |
SI (3) | SI3145197T1 (pt) |
TR (1) | TR201811137T4 (pt) |
TW (4) | TWI629895B (pt) |
WO (1) | WO2013066051A1 (pt) |
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US10091529B2 (en) * | 2010-07-09 | 2018-10-02 | Samsung Electronics Co., Ltd. | Method and apparatus for entropy encoding/decoding a transform coefficient |
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US9621921B2 (en) | 2012-04-16 | 2017-04-11 | Qualcomm Incorporated | Coefficient groups and coefficient coding for coefficient scans |
SG11201408361TA (en) * | 2012-06-22 | 2015-01-29 | Panasonic Ip Corp America | Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus |
WO2014103182A1 (ja) * | 2012-12-27 | 2014-07-03 | 日本電気株式会社 | 映像符号化装置、映像符号化方法および映像符号化プログラム |
US9225988B2 (en) | 2013-05-30 | 2015-12-29 | Apple Inc. | Adaptive color space transform coding |
US9225991B2 (en) * | 2013-05-30 | 2015-12-29 | Apple Inc. | Adaptive color space transform coding |
KR20160132891A (ko) * | 2014-03-13 | 2016-11-21 | 퀄컴 인코포레이티드 | 3d 비디오 코딩에 대한 제약된 깊이 인트라 모드 코딩 |
US9781424B2 (en) * | 2015-01-19 | 2017-10-03 | Google Inc. | Efficient context handling in arithmetic coding |
US9936201B2 (en) * | 2015-01-27 | 2018-04-03 | Qualcomm Incorporated | Contexts for large coding tree units |
US11233998B2 (en) | 2015-05-29 | 2022-01-25 | Qualcomm Incorporated | Coding data using an enhanced context-adaptive binary arithmetic coding (CABAC) design |
EP3280143A1 (en) * | 2016-08-04 | 2018-02-07 | Thomson Licensing | A method and an apparatus for image block encoding and decoding |
WO2018190595A1 (ko) * | 2017-04-13 | 2018-10-18 | 엘지전자(주) | 비디오 신호를 엔트로피 인코딩, 디코딩하는 방법 및 장치 |
US10869060B2 (en) * | 2018-01-30 | 2020-12-15 | Google Llc | Efficient context model computation design in transform coefficient coding |
WO2019199838A1 (en) * | 2018-04-12 | 2019-10-17 | Futurewei Technologies, Inc. | Reducing context switching for coding transform coefficients |
US11006150B2 (en) * | 2018-09-24 | 2021-05-11 | Tencent America LLC | Method and apparatus for video coding |
WO2020135371A1 (zh) * | 2018-12-24 | 2020-07-02 | 华为技术有限公司 | 一种标志位的上下文建模方法及装置 |
CN109672690B (zh) * | 2019-01-29 | 2021-02-19 | 哈尔滨工业大学 | 一种针对数据幅值范围已知的数据流进行编码的方法 |
US11949870B2 (en) * | 2019-06-21 | 2024-04-02 | Qualcomm Incorporated | Context modeling for low-frequency non-separable transformation signaling for video coding |
US20220408087A1 (en) * | 2019-09-23 | 2022-12-22 | Kt Corporation | Method and device for processing video signal |
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2012
- 2012-10-31 PT PT16197055T patent/PT3166317T/pt unknown
- 2012-10-31 SI SI201231354T patent/SI3145197T1/sl unknown
- 2012-10-31 TW TW106102285A patent/TWI629895B/zh active
- 2012-10-31 PL PL18178662T patent/PL3399760T3/pl unknown
- 2012-10-31 PL PL12845496T patent/PL2773109T3/pl unknown
- 2012-10-31 EP EP21159234.0A patent/EP3846479B1/en active Active
- 2012-10-31 ES ES16197057.9T patent/ES2682991T3/es active Active
- 2012-10-31 ES ES12845496.4T patent/ES2608157T3/es active Active
- 2012-10-31 HU HUE18178662A patent/HUE054305T2/hu unknown
- 2012-10-31 TR TR2018/11137T patent/TR201811137T4/tr unknown
- 2012-10-31 EP EP18178662.5A patent/EP3399760B1/en active Active
- 2012-10-31 PT PT128454964T patent/PT2773109T/pt unknown
- 2012-10-31 ES ES16197055.3T patent/ES2684480T3/es active Active
- 2012-10-31 CN CN201710929029.1A patent/CN107465933B/zh active Active
- 2012-10-31 HU HUE12845496A patent/HUE031315T2/en unknown
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- 2012-10-31 RS RS20161129A patent/RS55403B1/sr unknown
- 2012-10-31 EP EP16197057.9A patent/EP3145197B1/en active Active
- 2012-10-31 SI SI201231363T patent/SI3166317T1/sl unknown
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- 2012-10-31 JP JP2014539870A patent/JP5934376B2/ja active Active
- 2012-10-31 WO PCT/KR2012/009074 patent/WO2013066051A1/ko active Application Filing
- 2012-10-31 EP EP12845496.4A patent/EP2773109B1/en active Active
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- 2012-10-31 DK DK16197057.9T patent/DK3145197T3/en active
- 2012-10-31 CA CA2854074A patent/CA2854074C/en active Active
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- 2012-10-31 AU AU2012333301A patent/AU2012333301B2/en not_active Expired - Fee Related
- 2012-10-31 TW TW107118909A patent/TWI692243B/zh active
- 2012-10-31 PL PL16197055T patent/PL3166317T3/pl unknown
- 2012-10-31 DK DK16197055.3T patent/DK3166317T3/en active
- 2012-10-31 PL PL21159234.0T patent/PL3846479T3/pl unknown
- 2012-10-31 CN CN201280065586.9A patent/CN104041052B/zh active Active
- 2012-10-31 PL PL16197057T patent/PL3145197T3/pl unknown
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- 2012-10-31 EP EP16197055.3A patent/EP3166317B1/en active Active
- 2012-10-31 CN CN201710928537.8A patent/CN107529060B/zh active Active
- 2012-10-31 CN CN201710928759.XA patent/CN107734348B/zh active Active
- 2012-10-31 CA CA3016926A patent/CA3016926C/en active Active
- 2012-10-31 ES ES18178662T patent/ES2868087T3/es active Active
- 2012-10-31 LT LTEP16197057.9T patent/LT3145197T/lt unknown
- 2012-10-31 CN CN201710929383.4A patent/CN107465934B/zh active Active
- 2012-10-31 US US14/355,439 patent/US9414088B2/en active Active
- 2012-10-31 TW TW105117901A patent/TWI574550B/zh active
- 2012-10-31 TW TW101140483A patent/TW201330631A/zh unknown
- 2012-10-31 RS RS20180910A patent/RS57491B1/sr unknown
- 2012-10-31 KR KR1020120122628A patent/KR101598142B1/ko active IP Right Grant
- 2012-10-31 DK DK12845496.4T patent/DK2773109T3/da active
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2015
- 2015-04-03 US US14/678,621 patent/US9503752B2/en active Active
- 2015-04-03 US US14/678,664 patent/US9521430B2/en active Active
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- 2015-04-22 KR KR1020150056890A patent/KR101598147B1/ko active IP Right Grant
- 2015-04-22 KR KR1020150056891A patent/KR101915253B1/ko active IP Right Grant
- 2015-04-22 KR KR1020150056887A patent/KR101635115B1/ko active IP Right Grant
- 2015-04-22 KR KR1020150056888A patent/KR101598145B1/ko active IP Right Grant
- 2015-04-22 KR KR1020150056889A patent/KR101598146B1/ko active IP Right Grant
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2016
- 2016-05-06 JP JP2016093435A patent/JP5992644B1/ja active Active
- 2016-08-17 JP JP2016160060A patent/JP6208827B2/ja active Active
- 2016-12-15 HR HRP20161726TT patent/HRP20161726T1/hr unknown
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2017
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2018
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