JP2013038768A - 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 - Google Patents

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 Download PDF

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JP2013038768A
JP2013038768A JP2012103806A JP2012103806A JP2013038768A JP 2013038768 A JP2013038768 A JP 2013038768A JP 2012103806 A JP2012103806 A JP 2012103806A JP 2012103806 A JP2012103806 A JP 2012103806A JP 2013038768 A JP2013038768 A JP 2013038768A
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quantization matrix
quantization
transform
decoding
encoding
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JP2013038768A5 (enExample
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Shingo Shima
真悟 志摩
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Canon Inc
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Canon Inc
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Priority to JP2012103806A priority Critical patent/JP2013038768A/ja
Priority to US14/232,214 priority patent/US20140133553A1/en
Priority to PCT/JP2012/004469 priority patent/WO2013008458A1/en
Publication of JP2013038768A publication Critical patent/JP2013038768A/ja
Publication of JP2013038768A5 publication Critical patent/JP2013038768A5/ja
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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
    • H04N19/50—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
    • H04N19/10—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
    • 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
    • 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
    • H04N19/46—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
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

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  • 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)
JP2012103806A 2011-07-13 2012-04-27 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 Pending JP2013038768A (ja)

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JP2012103806A JP2013038768A (ja) 2011-07-13 2012-04-27 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
US14/232,214 US20140133553A1 (en) 2011-07-13 2012-07-11 Apparatus, method, and program for coding image and apparatus, method, and program for decoding image
PCT/JP2012/004469 WO2013008458A1 (en) 2011-07-13 2012-07-11 Apparatus, method, and program for coding image and apparatus, method, and program for decoding image

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JP2011155011 2011-07-13
JP2012103806A JP2013038768A (ja) 2011-07-13 2012-04-27 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

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Cited By (2)

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JPWO2018037737A1 (ja) * 2016-08-24 2019-06-20 ソニー株式会社 画像処理装置、画像処理方法、及びプログラム
CN111684809A (zh) * 2017-12-15 2020-09-18 Lg电子株式会社 基于变换的图像编码方法和用于该方法的装置

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CN103096052B (zh) 2011-11-04 2015-11-25 华为技术有限公司 一种图像编码、解码的方法和装置
WO2015128222A1 (en) * 2014-02-27 2015-09-03 Thomson Licensing Method for encoding and decoding a picture and corresponding devices
KR102169435B1 (ko) 2016-03-21 2020-10-23 후아웨이 테크놀러지 컴퍼니 리미티드 가중된 행렬 계수의 적응형 양자화
JP7267785B2 (ja) * 2019-03-11 2023-05-02 キヤノン株式会社 画像復号装置、画像復号方法、及びプログラム
JP2020150338A (ja) 2019-03-11 2020-09-17 キヤノン株式会社 画像復号装置、画像復号方法、及びプログラム
EP4124036A4 (en) * 2020-09-27 2023-11-22 Tencent Technology (Shenzhen) Company Limited Video coding/decoding method, apparatus, and device

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JPWO2018037737A1 (ja) * 2016-08-24 2019-06-20 ソニー株式会社 画像処理装置、画像処理方法、及びプログラム
JP2022028657A (ja) * 2016-08-24 2022-02-16 ソニーグループ株式会社 画像符号化装置、画像符号化方法、及びプログラム
JP7211467B2 (ja) 2016-08-24 2023-01-24 ソニーグループ株式会社 画像符号化装置、画像符号化方法、及びプログラム
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CN111684809A (zh) * 2017-12-15 2020-09-18 Lg电子株式会社 基于变换的图像编码方法和用于该方法的装置
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