BR112015015600A2 - provisão de informação de precisão em um dispositivo de codificação de imagem, método e programa de codificação de imagem, dispositivo de decodificação de imagem e método e programa de decodificação de imagem - Google Patents

provisão de informação de precisão em um dispositivo de codificação de imagem, método e programa de codificação de imagem, dispositivo de decodificação de imagem e método e programa de decodificação de imagem

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Publication number
BR112015015600A2
BR112015015600A2 BR112015015600A BR112015015600A BR112015015600A2 BR 112015015600 A2 BR112015015600 A2 BR 112015015600A2 BR 112015015600 A BR112015015600 A BR 112015015600A BR 112015015600 A BR112015015600 A BR 112015015600A BR 112015015600 A2 BR112015015600 A2 BR 112015015600A2
Authority
BR
Brazil
Prior art keywords
image
program
image decoding
quantization
prediction
Prior art date
Application number
BR112015015600A
Other languages
English (en)
Portuguese (pt)
Inventor
Shima Masato
Maeda Mitsuru
Original Assignee
Canon Kk
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Kk filed Critical Canon Kk
Publication of BR112015015600A2 publication Critical patent/BR112015015600A2/pt

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/124Quantisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/124Quantisation
    • H04N19/126Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/172Methods 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 picture, frame or field
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/18Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/184Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods 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
    • H04N19/423Methods 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 characterised by memory arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H04N19/45Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder performing compensation of the inverse transform mismatch, e.g. Inverse Discrete Cosine Transform [IDCT] mismatch
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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)
BR112015015600A 2012-12-28 2013-12-25 provisão de informação de precisão em um dispositivo de codificação de imagem, método e programa de codificação de imagem, dispositivo de decodificação de imagem e método e programa de decodificação de imagem BR112015015600A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012287785A JP6157114B2 (ja) 2012-12-28 2012-12-28 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
PCT/JP2013/007565 WO2014103294A1 (en) 2012-12-28 2013-12-25 Provision of precision information in an image encoding device, image encoding method and program, image decoding device, and image decoding method and program

Publications (1)

Publication Number Publication Date
BR112015015600A2 true BR112015015600A2 (pt) 2017-07-11

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BR112015015600A BR112015015600A2 (pt) 2012-12-28 2013-12-25 provisão de informação de precisão em um dispositivo de codificação de imagem, método e programa de codificação de imagem, dispositivo de decodificação de imagem e método e programa de decodificação de imagem

Country Status (8)

Country Link
US (1) US10743017B2 (https=)
EP (1) EP2939430A1 (https=)
JP (1) JP6157114B2 (https=)
KR (3) KR101933361B1 (https=)
CN (1) CN104885468B (https=)
BR (1) BR112015015600A2 (https=)
RU (2) RU2623200C2 (https=)
WO (1) WO2014103294A1 (https=)

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EP3166313A1 (en) * 2015-11-09 2017-05-10 Thomson Licensing Encoding and decoding method and corresponding devices
JP6543578B2 (ja) 2016-01-27 2019-07-10 富士通株式会社 情報処理装置、情報処理方法、およびプログラム
KR20220053702A (ko) * 2016-05-13 2022-04-29 소니그룹주식회사 화상 처리 장치 및 방법
CN111713104B (zh) * 2018-02-14 2022-04-26 索尼公司 图像处理装置和方法
JP7235031B2 (ja) * 2018-02-14 2023-03-08 ソニーグループ株式会社 画像処理装置および方法
CN118381911A (zh) * 2018-03-21 2024-07-23 Lx 半导体科技有限公司 图像编码/解码方法以及图像数据的发送方法
EP3787290A4 (en) * 2018-03-29 2021-12-08 Nippon Hoso Kyokai IMAGE ENCODER, IMAGE DECODER, AND PROGRAM
US11586883B2 (en) * 2018-12-14 2023-02-21 Microsoft Technology Licensing, Llc Residual quantization for neural networks
JP7536484B2 (ja) 2020-03-18 2024-08-20 キヤノン株式会社 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
US20250080746A1 (en) * 2022-01-07 2025-03-06 Lg Electronics Inc. Feature encoding/decoding method and device, and recording medium in which bitstream is stored
KR20230126777A (ko) 2022-02-23 2023-08-31 삼성디스플레이 주식회사 디코더 및 그것을 포함하는 데이터 처리 장치

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Also Published As

Publication number Publication date
EP2939430A1 (en) 2015-11-04
US10743017B2 (en) 2020-08-11
RU2015131145A (ru) 2017-02-02
JP6157114B2 (ja) 2017-07-05
KR101833010B1 (ko) 2018-02-27
JP2014131172A (ja) 2014-07-10
KR20170015562A (ko) 2017-02-08
KR20180023039A (ko) 2018-03-06
CN104885468A (zh) 2015-09-02
RU2017120115A (ru) 2018-11-12
KR101703228B1 (ko) 2017-02-06
RU2679285C2 (ru) 2019-02-06
CN104885468B (zh) 2019-11-01
WO2014103294A1 (en) 2014-07-03
KR101933361B1 (ko) 2018-12-27
RU2017120115A3 (https=) 2018-11-12
US20160198175A1 (en) 2016-07-07
RU2623200C2 (ru) 2017-06-27
KR20150100802A (ko) 2015-09-02

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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: AS CLASSIFICACOES ANTERIORES ERAM: H04N 19/70 , H04N 19/126 , H04N 19/61

Ipc: H04N 19/126 (2014.01), H04N 19/423 (2014.01), H04N

B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements