BR112018006412A2 - qp delta para quantização de unidades de transformada retangular, codificação de vídeo baseada em intra previsão de distância curta (sdip) - Google Patents
qp delta para quantização de unidades de transformada retangular, codificação de vídeo baseada em intra previsão de distância curta (sdip)Info
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- BR112018006412A2 BR112018006412A2 BR112018006412A BR112018006412A BR112018006412A2 BR 112018006412 A2 BR112018006412 A2 BR 112018006412A2 BR 112018006412 A BR112018006412 A BR 112018006412A BR 112018006412 A BR112018006412 A BR 112018006412A BR 112018006412 A2 BR112018006412 A2 BR 112018006412A2
- Authority
- BR
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- Prior art keywords
- value
- transform unit
- delta
- sdip
- rectangular
- Prior art date
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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
- H04N19/124—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
- H04N19/102—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
- H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
-
- 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
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
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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
- H04N19/124—Quantisation
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
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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
- H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
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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
- 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
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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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/43—Hardware specially adapted for motion estimation or compensation
-
- 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
- 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using 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
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
-
- 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
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
um dispositivo de exemplo inclui um dispositivo de memória configurado para armazenar dados de vídeo codificados, e conjunto de circuitos de processamento acoplado ao dispositivo de memória. o conjunto de circuitos de processamento é configurado para determinar que uma unidade de transformada retangular (tu) dos dados de vídeo armazenados inclui um número de linhas de pixel indicadas por um primeiro valor inteiro ?k?, e diversas colunas de pixel indicadas por um segundo valor inteiro ?l?, onde k tem um valor igual a um valor inteiro ?m? deslocado na esquerda por um, e onde l tem um valor igual a um valor inteiro ?n? deslocado para a esquerda por um, para determinar que uma soma de n e m é um número ímpar, e com base na soma de n e m sendo o número ímpar, adicionar um valor de parâmetro de quantização delta a um valor de parâmetro de quantização (qp) para a tu retangular obter um valor qp modificado para a tu retangular.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201562234589P | 2015-09-29 | 2015-09-29 | |
US15/278,855 US10218975B2 (en) | 2015-09-29 | 2016-09-28 | Transform precision manipulation in video coding |
PCT/US2016/054397 WO2017059044A1 (en) | 2015-09-29 | 2016-09-29 | Delta qp for quantization of rectangular transform units, short distance intra prediction (sdip) based video coding |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112018006412A2 true BR112018006412A2 (pt) | 2018-10-09 |
Family
ID=58407621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112018006412A BR112018006412A2 (pt) | 2015-09-29 | 2016-09-29 | qp delta para quantização de unidades de transformada retangular, codificação de vídeo baseada em intra previsão de distância curta (sdip) |
Country Status (7)
Country | Link |
---|---|
US (1) | US10218975B2 (pt) |
EP (1) | EP3357240A1 (pt) |
JP (1) | JP2018534835A (pt) |
KR (1) | KR20180059893A (pt) |
CN (1) | CN108141590A (pt) |
BR (1) | BR112018006412A2 (pt) |
WO (1) | WO2017059044A1 (pt) |
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CN113810697A (zh) * | 2016-04-29 | 2021-12-17 | 世宗大学校产学协力团 | 用于对图像信号进行编码和解码的方法和装置 |
CN116527887A (zh) | 2016-08-01 | 2023-08-01 | 韩国电子通信研究院 | 图像编码/解码方法和设备以及存储比特流的记录介质 |
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US10715818B2 (en) * | 2016-08-04 | 2020-07-14 | Intel Corporation | Techniques for hardware video encoding |
US20190238888A1 (en) * | 2017-07-17 | 2019-08-01 | Ki Baek Kim | Image data encoding/decoding method and apparatus |
CN115883826A (zh) * | 2016-10-10 | 2023-03-31 | 三星电子株式会社 | 用于对图像进行编码/解码的方法和设备 |
CN116546223A (zh) * | 2017-01-31 | 2023-08-04 | 夏普株式会社 | 用于执行平面帧内预测视频编码的系统和方法 |
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US10771781B2 (en) * | 2018-03-12 | 2020-09-08 | Electronics And Telecommunications Research Institute | Method and apparatus for deriving intra prediction mode |
US20210136406A1 (en) * | 2018-03-30 | 2021-05-06 | Nikon Corporation | Video compression apparatus, decompression apparatus and recording medium |
MX2020012068A (es) * | 2018-05-14 | 2021-02-09 | Interdigital Vc Holdings Inc | Direcciones de prediccion intra adaptativas a la forma de bloque para arbol cuadruple-arbol binario. |
US10284844B1 (en) * | 2018-07-02 | 2019-05-07 | Tencent America LLC | Method and apparatus for video coding |
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CN112703741A (zh) | 2018-07-13 | 2021-04-23 | 弗劳恩霍夫应用研究促进协会 | 分区内编码概念 |
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US11381825B2 (en) * | 2018-11-27 | 2022-07-05 | Advanced Micro Devices, Inc. | Variable rate rendering based on motion estimation |
CN109685718B (zh) * | 2018-12-17 | 2020-11-10 | 中国科学院自动化研究所 | 图片方形化缩放方法、系统及装置 |
CN111405279B (zh) * | 2019-01-03 | 2021-06-29 | 华为技术有限公司 | 量化、反量化方法及装置 |
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CN113966611B (zh) | 2019-06-09 | 2023-12-15 | 北京字节跳动网络技术有限公司 | 视频编解码中的重要系数信令 |
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2016
- 2016-09-28 US US15/278,855 patent/US10218975B2/en active Active
- 2016-09-29 WO PCT/US2016/054397 patent/WO2017059044A1/en active Application Filing
- 2016-09-29 BR BR112018006412A patent/BR112018006412A2/pt not_active Application Discontinuation
- 2016-09-29 EP EP16779302.5A patent/EP3357240A1/en not_active Ceased
- 2016-09-29 KR KR1020187012036A patent/KR20180059893A/ko unknown
- 2016-09-29 JP JP2018515827A patent/JP2018534835A/ja active Pending
- 2016-09-29 CN CN201680056226.0A patent/CN108141590A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US20170094274A1 (en) | 2017-03-30 |
KR20180059893A (ko) | 2018-06-05 |
WO2017059044A1 (en) | 2017-04-06 |
EP3357240A1 (en) | 2018-08-08 |
CN108141590A (zh) | 2018-06-08 |
JP2018534835A (ja) | 2018-11-22 |
US10218975B2 (en) | 2019-02-26 |
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