BR112022010886A2 - Dispositivo de processamento de imagem, e, métodos de geração de fluxo de bits, de geração de coeficiente de quantização e de geração de dados de coeficiente - Google Patents
Dispositivo de processamento de imagem, e, métodos de geração de fluxo de bits, de geração de coeficiente de quantização e de geração de dados de coeficienteInfo
- Publication number
- BR112022010886A2 BR112022010886A2 BR112022010886A BR112022010886A BR112022010886A2 BR 112022010886 A2 BR112022010886 A2 BR 112022010886A2 BR 112022010886 A BR112022010886 A BR 112022010886A BR 112022010886 A BR112022010886 A BR 112022010886A BR 112022010886 A2 BR112022010886 A2 BR 112022010886A2
- Authority
- BR
- Brazil
- Prior art keywords
- generation
- image processing
- processing device
- coefficient
- methods
- Prior art date
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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
- H04N19/70—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
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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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
-
- 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
-
- 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
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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]
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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
- H04N19/134—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
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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
- H04N19/169—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
- H04N19/184—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 bits, e.g. of the compressed video stream
-
- 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
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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
- H04N19/46—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
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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)
Abstract
DISPOSITIVO DE PROCESSAMENTO DE IMAGEM, E, MÉTODOS DE GERAÇÃO DE FLUXO DE BITS, DE GERAÇÃO DE COEFICIENTE DE QUANTIZAÇÃO E DE GERAÇÃO DE DADOS DE COEFICIENTE. A presente revelação se refere a um dispositivo de processamento de imagem, um método de geração de fluxo de bits, um método de geração de dados de coeficiente e um método de geração de coeficiente de quantização que faz com que seja possível suprimir uma redução na eficiência de codificação.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019223601 | 2019-12-11 | ||
PCT/JP2020/044151 WO2021117500A1 (ja) | 2019-12-11 | 2020-11-27 | 画像処理装置、ビットストリーム生成方法、係数データ生成方法、および量子化係数生成方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112022010886A2 true BR112022010886A2 (pt) | 2022-08-23 |
Family
ID=76330176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112022010886A BR112022010886A2 (pt) | 2019-12-11 | 2020-11-27 | Dispositivo de processamento de imagem, e, métodos de geração de fluxo de bits, de geração de coeficiente de quantização e de geração de dados de coeficiente |
Country Status (11)
Country | Link |
---|---|
US (1) | US20230007265A1 (pt) |
EP (1) | EP4060995A1 (pt) |
JP (1) | JPWO2021117500A1 (pt) |
KR (1) | KR20220112754A (pt) |
CN (1) | CN115176476A (pt) |
AU (1) | AU2020400536A1 (pt) |
BR (1) | BR112022010886A2 (pt) |
CA (1) | CA3156543A1 (pt) |
MX (1) | MX2022006718A (pt) |
TW (1) | TW202127875A (pt) |
WO (1) | WO2021117500A1 (pt) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7001668B2 (ja) * | 2019-12-26 | 2022-01-19 | Kddi株式会社 | 画像復号装置、画像復号方法及びプログラム |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6563953B2 (en) * | 1998-11-30 | 2003-05-13 | Microsoft Corporation | Predictive image compression using a single variable length code for both the luminance and chrominance blocks for each macroblock |
EP2262269B1 (en) * | 2001-12-17 | 2018-01-24 | Microsoft Technology Licensing, LLC | Skip macroblock coding |
CN1666532A (zh) * | 2002-07-02 | 2005-09-07 | 松下电器产业株式会社 | 图像编码方法和图像解码方法 |
EP1571850A3 (en) * | 2004-03-05 | 2006-12-13 | Samsung Electronics Co., Ltd. | Apparatus and method for encoding and decoding image containing grayscale alpha channel image |
KR100664932B1 (ko) * | 2004-10-21 | 2007-01-04 | 삼성전자주식회사 | 비디오 코딩 방법 및 장치 |
EP2018070A1 (en) * | 2007-07-17 | 2009-01-21 | Thomson Licensing | Method for processing images and the corresponding electronic device |
JP2010016454A (ja) * | 2008-07-01 | 2010-01-21 | Sony Corp | 画像符号化装置および方法、画像復号装置および方法、並びにプログラム |
NO330107B1 (no) * | 2009-07-09 | 2011-02-21 | Tandberg Telecom As | Datamaskinimplementert tidlig dropping |
WO2011016248A1 (ja) * | 2009-08-06 | 2011-02-10 | パナソニック株式会社 | 符号化方法、復号方法、符号化装置及び復号装置 |
US20110249743A1 (en) * | 2010-04-09 | 2011-10-13 | Jie Zhao | Super-block for high performance video coding |
US8787459B2 (en) * | 2010-11-09 | 2014-07-22 | Sony Computer Entertainment Inc. | Video coding methods and apparatus |
GB2492333B (en) * | 2011-06-27 | 2018-12-12 | British Broadcasting Corp | Video encoding and decoding using transforms |
CN109905710B (zh) * | 2012-06-12 | 2021-12-21 | 太阳专利托管公司 | 动态图像编码方法及装置、动态图像解码方法及装置 |
EP3454559A1 (en) * | 2016-05-13 | 2019-03-13 | Sony Corporation | Image processing device and method |
CN109792522B (zh) * | 2016-09-30 | 2021-10-15 | 索尼公司 | 图像处理装置和方法 |
CA3082756A1 (en) * | 2017-11-24 | 2019-05-31 | Sony Corporation | Image processing apparatus and method |
-
2020
- 2020-11-27 CN CN202080083747.1A patent/CN115176476A/zh active Pending
- 2020-11-27 US US17/778,002 patent/US20230007265A1/en active Pending
- 2020-11-27 AU AU2020400536A patent/AU2020400536A1/en active Pending
- 2020-11-27 JP JP2021563848A patent/JPWO2021117500A1/ja active Pending
- 2020-11-27 KR KR1020227016682A patent/KR20220112754A/ko active Search and Examination
- 2020-11-27 BR BR112022010886A patent/BR112022010886A2/pt unknown
- 2020-11-27 CA CA3156543A patent/CA3156543A1/en active Pending
- 2020-11-27 MX MX2022006718A patent/MX2022006718A/es unknown
- 2020-11-27 WO PCT/JP2020/044151 patent/WO2021117500A1/ja unknown
- 2020-11-27 EP EP20900650.1A patent/EP4060995A1/en not_active Withdrawn
- 2020-12-02 TW TW109142354A patent/TW202127875A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
KR20220112754A (ko) | 2022-08-11 |
US20230007265A1 (en) | 2023-01-05 |
WO2021117500A1 (ja) | 2021-06-17 |
JPWO2021117500A1 (pt) | 2021-06-17 |
CN115176476A (zh) | 2022-10-11 |
AU2020400536A1 (en) | 2022-06-16 |
EP4060995A1 (en) | 2022-09-21 |
CA3156543A1 (en) | 2021-06-17 |
TW202127875A (zh) | 2021-07-16 |
MX2022006718A (es) | 2022-07-12 |
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