NI201600135A - Codificación del nivel de coeficiente en un proceso de codificación de video - Google Patents
Codificación del nivel de coeficiente en un proceso de codificación de videoInfo
- Publication number
- NI201600135A NI201600135A NI201600135A NI201600135A NI201600135A NI 201600135 A NI201600135 A NI 201600135A NI 201600135 A NI201600135 A NI 201600135A NI 201600135 A NI201600135 A NI 201600135A NI 201600135 A NI201600135 A NI 201600135A
- Authority
- NI
- Nicaragua
- Prior art keywords
- encoding
- codeword
- encode
- golomb
- absolute values
- Prior art date
Links
Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
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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
-
- 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
- H04N19/115—Selection of the code volume for a coding unit prior to coding
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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
- H04N19/134—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
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or 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
- H04N19/169—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
- H04N19/1887—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 variable length codeword
-
- 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
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computing Systems (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Un dispositivo para codificar datos de video incluye una memoria configurada para almacenar datos de video, y al menos un procesador configurado para: determinar un número máximo de bits para usar cuando se codifica un elemento de sintaxis que indica los valores absolutos de coeficientes de transformación de una unidad de codificación de los datos de video, determinar un número máximo de bits del sufijo para usar que codifican una palabra código del sufijo por codificación de Golomb-Rice/Golomb exponencial del elemento de sintaxis, determinar un número máximo de bits del prefijo para usar cuando se codifica una palabra código del prefijo por codificación de Golomb-Rice/Golomb exponencial unario del elemento de sintaxis, determinar los valores absolutos de coeficientes de transformación para la unidad de codificación, codificar una palabra código del prefijo para uno de los valores absolutos, y codificar una palabra código del sufijo para uno de los valores absolutos, y codificar la unidad de codificación sobre la base de la palabra código del prefijo y la palabra código del sufijo.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201461953659P | 2014-03-14 | 2014-03-14 | |
US201461954404P | 2014-03-17 | 2014-03-17 | |
US14/656,071 US9930348B2 (en) | 2014-03-14 | 2015-03-12 | Coefficient level coding in a video coding process |
Publications (1)
Publication Number | Publication Date |
---|---|
NI201600135A true NI201600135A (es) | 2016-11-18 |
Family
ID=54070437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NI201600135A NI201600135A (es) | 2014-03-14 | 2016-09-13 | Codificación del nivel de coeficiente en un proceso de codificación de video |
Country Status (13)
Country | Link |
---|---|
US (1) | US9930348B2 (es) |
EP (1) | EP3117525B1 (es) |
JP (1) | JP6527877B2 (es) |
KR (1) | KR102352638B1 (es) |
CN (1) | CN106105040B (es) |
CR (1) | CR20160423A (es) |
DO (1) | DOP2016000246A (es) |
GT (1) | GT201600184A (es) |
MX (1) | MX363891B (es) |
NI (1) | NI201600135A (es) |
SV (1) | SV2016005283A (es) |
TW (1) | TWI666916B (es) |
WO (1) | WO2015138911A1 (es) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2521828A (en) * | 2013-12-23 | 2015-07-08 | Sony Corp | Data encoding and decoding |
US10313684B2 (en) | 2014-06-20 | 2019-06-04 | Qualcomm Incorporated | Copy from previous rows for palette mode coding |
US10142629B2 (en) * | 2015-12-28 | 2018-11-27 | Mediatek Inc. | Method and apparatus for entropy coding in image compression |
US10602192B2 (en) * | 2016-02-04 | 2020-03-24 | Mediatek Inc. | Methods and apparatuses for performing entropy encoding and entropy decoding with size determination of at least one bitstream portion |
US20170311003A1 (en) * | 2016-04-20 | 2017-10-26 | Mediatek Inc. | Method and apparatus for performing entropy encoding with sign data removal and associated method and apparatus for performing entropy decoding with sign data recovery |
EP4300968A1 (en) * | 2016-05-13 | 2024-01-03 | Sony Group Corporation | Image processing device and method |
EP3777156A1 (en) | 2018-03-29 | 2021-02-17 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Transform coefficient block coding |
AU2019247481B2 (en) * | 2018-04-04 | 2023-07-06 | Kakadu R & D Pty Ltd | A further improved method and apparatus for image compression |
KR102616533B1 (ko) * | 2018-09-20 | 2023-12-20 | 엘지전자 주식회사 | 변환 계수 레벨 코딩 방법 및 그 장치 |
CN114374839B (zh) * | 2018-11-12 | 2023-06-20 | Lg电子株式会社 | 图像解码方法、图像编码方法和数据发送方法 |
US11477486B2 (en) * | 2019-01-02 | 2022-10-18 | Qualcomm Incorporated | Escape coding for coefficient levels |
US10728555B1 (en) | 2019-02-06 | 2020-07-28 | Sony Corporation | Embedded codec (EBC) circuitry for position dependent entropy coding of residual level data |
SG11202109150QA (en) | 2019-03-08 | 2021-09-29 | Beijing Bytedance Network Technology Co Ltd | Constraints on model-based reshaping in video processing |
CA3135973A1 (en) | 2019-04-23 | 2020-10-29 | Beijing Bytedance Network Technology Co., Ltd. | Methods for cross component dependency reduction |
KR20220024006A (ko) | 2019-06-22 | 2022-03-03 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 크로마 잔차 스케일링을 위한 신택스 요소 |
JP7460748B2 (ja) | 2019-07-07 | 2024-04-02 | 北京字節跳動網絡技術有限公司 | クロマ残差スケーリングのシグナリング |
WO2021062014A1 (en) * | 2019-09-24 | 2021-04-01 | Beijing Dajia Internet Information Technology Co., Ltd. | Methods and apparatus of residual and coefficient coding |
WO2021059652A1 (ja) * | 2019-09-25 | 2021-04-01 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 符号化装置、復号装置、符号化方法、および復号方法 |
WO2021071188A1 (ko) * | 2019-10-07 | 2021-04-15 | 엘지전자 주식회사 | 비디오/영상 코딩 시스템에서 엔트로피 코딩 방법 및 장치 |
WO2021071187A1 (ko) * | 2019-10-07 | 2021-04-15 | 엘지전자 주식회사 | 비디오/영상 코딩 시스템에서 라이스 파라미터 도출 방법 및 장치 |
WO2021118310A1 (ko) * | 2019-12-13 | 2021-06-17 | 주식회사 케이티 | 비디오 신호 처리 방법 및 장치 |
US20230254493A1 (en) * | 2022-02-08 | 2023-08-10 | Synaptics Incorporated | Lossless compression for low-latency video transmission in resource-constrained encoding environment |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4468858B2 (ja) * | 2005-06-01 | 2010-05-26 | オリンパスイメージング株式会社 | データ符号化装置、データ符号化方法、プログラム |
KR100718134B1 (ko) * | 2005-07-21 | 2007-05-14 | 삼성전자주식회사 | 비트율에 적응적인 영상 데이터 이진 산술 부호화/복호화장치 및 방법 |
US20100150242A1 (en) * | 2007-04-11 | 2010-06-17 | Panasonic Corporation | Image data decoding device and image data decoding method |
KR101391601B1 (ko) * | 2007-10-15 | 2014-05-07 | 삼성전자주식회사 | 최적의 임계치를 이용한 지수 골롬 이진화에 의한 영상부호화 방법 및 그 장치, 및 영상 복호화 방법 및 그 장치 |
JP4819940B2 (ja) * | 2009-12-04 | 2011-11-24 | 株式会社日立国際電気 | 動画像符号化装置 |
US9288496B2 (en) * | 2010-12-03 | 2016-03-15 | Qualcomm Incorporated | Video coding using function-based scan order for transform coefficients |
US10397577B2 (en) * | 2011-03-08 | 2019-08-27 | Velos Media, Llc | Inverse scan order for significance map coding of transform coefficients in video coding |
EP3021591A1 (en) * | 2011-06-28 | 2016-05-18 | Samsung Electronics Co., Ltd. | Apparatus for decoding video accompanied with context-based arithmetic decoding |
US9641835B2 (en) * | 2011-11-08 | 2017-05-02 | Google Technology Holdings LLC | Method of determining binary codewords for transform coefficients |
EP2941000B1 (en) * | 2012-12-27 | 2020-11-04 | NEC Corporation | Video coding device, video coding method, and video coding program |
-
2015
- 2015-03-12 US US14/656,071 patent/US9930348B2/en active Active
- 2015-03-13 WO PCT/US2015/020462 patent/WO2015138911A1/en active Application Filing
- 2015-03-13 JP JP2016557042A patent/JP6527877B2/ja active Active
- 2015-03-13 TW TW104108209A patent/TWI666916B/zh active
- 2015-03-13 CN CN201580012101.3A patent/CN106105040B/zh active Active
- 2015-03-13 MX MX2016011599A patent/MX363891B/es active IP Right Grant
- 2015-03-13 CR CR20160423A patent/CR20160423A/es unknown
- 2015-03-13 KR KR1020167028293A patent/KR102352638B1/ko active IP Right Grant
- 2015-03-13 EP EP15717986.2A patent/EP3117525B1/en active Active
-
2016
- 2016-09-13 NI NI201600135A patent/NI201600135A/es unknown
- 2016-09-14 DO DO2016000246A patent/DOP2016000246A/es unknown
- 2016-09-14 GT GT201600184A patent/GT201600184A/es unknown
- 2016-09-21 SV SV2016005283A patent/SV2016005283A/es unknown
Also Published As
Publication number | Publication date |
---|---|
DOP2016000246A (es) | 2016-12-30 |
TW201547256A (zh) | 2015-12-16 |
EP3117525A1 (en) | 2017-01-18 |
KR20160133509A (ko) | 2016-11-22 |
JP2017514349A (ja) | 2017-06-01 |
JP6527877B2 (ja) | 2019-06-05 |
WO2015138911A1 (en) | 2015-09-17 |
CR20160423A (es) | 2016-12-20 |
US20150264362A1 (en) | 2015-09-17 |
CN106105040A (zh) | 2016-11-09 |
MX363891B (es) | 2019-04-05 |
KR102352638B1 (ko) | 2022-01-17 |
GT201600184A (es) | 2018-11-27 |
SV2016005283A (es) | 2017-04-24 |
CN106105040B (zh) | 2019-11-19 |
MX2016011599A (es) | 2016-12-09 |
TWI666916B (zh) | 2019-07-21 |
EP3117525B1 (en) | 2022-08-17 |
US9930348B2 (en) | 2018-03-27 |
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