JP5843450B2 - 画像処理装置及びその制御方法 - Google Patents

画像処理装置及びその制御方法 Download PDF

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JP5843450B2
JP5843450B2 JP2011040838A JP2011040838A JP5843450B2 JP 5843450 B2 JP5843450 B2 JP 5843450B2 JP 2011040838 A JP2011040838 A JP 2011040838A JP 2011040838 A JP2011040838 A JP 2011040838A JP 5843450 B2 JP5843450 B2 JP 5843450B2
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Japanese (ja)
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JP2012178735A (ja
JP2012178735A5 (enExample
Inventor
岸　裕樹
裕樹 岸
友希 白石
友希 白石
伊藤　直樹
直樹 伊藤
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Canon Inc
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Canon Inc
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Priority to JP2011040838A priority Critical patent/JP5843450B2/ja
Priority to US13/362,625 priority patent/US8983219B2/en
Publication of JP2012178735A publication Critical patent/JP2012178735A/ja
Publication of JP2012178735A5 publication Critical patent/JP2012178735A5/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
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output 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
    • H04N19/102—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
    • H04N19/134—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
    • H04N19/146—Data rate or code amount at the encoder output
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H04N19/635—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by filter definition or implementation details

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2011040838A 2011-02-25 2011-02-25 画像処理装置及びその制御方法 Expired - Fee Related JP5843450B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011040838A JP5843450B2 (ja) 2011-02-25 2011-02-25 画像処理装置及びその制御方法
US13/362,625 US8983219B2 (en) 2011-02-25 2012-01-31 Image processing apparatus and control method therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011040838A JP5843450B2 (ja) 2011-02-25 2011-02-25 画像処理装置及びその制御方法

Publications (3)

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JP2012178735A JP2012178735A (ja) 2012-09-13
JP2012178735A5 JP2012178735A5 (enExample) 2014-03-06
JP5843450B2 true JP5843450B2 (ja) 2016-01-13

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JP2011040838A Expired - Fee Related JP5843450B2 (ja) 2011-02-25 2011-02-25 画像処理装置及びその制御方法

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US (1) US8983219B2 (enExample)
JP (1) JP5843450B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140119220A (ko) * 2013-03-27 2014-10-10 한국전자통신연구원 영상 재압축 제공 장치 및 방법
JP7767054B2 (ja) * 2021-08-11 2025-11-11 キヤノン株式会社 情報処理装置、情報処理方法及びプログラム

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0723238A (ja) * 1993-06-24 1995-01-24 Fujitsu Ltd 画像データ圧縮及び復元装置
US6408102B1 (en) * 1993-12-20 2002-06-18 Canon Kabushiki Kaisha Encoding/decoding device
US20040131260A1 (en) * 2001-03-30 2004-07-08 Fisseha Mekuria Method and apparatus for support and/or conversion of two image formats
JP4834917B2 (ja) * 2001-05-14 2011-12-14 株式会社ニコン 画像符号化装置および画像サーバ装置
JP2003087785A (ja) * 2001-06-29 2003-03-20 Toshiba Corp 動画像符号化データの形式変換方法及び装置
US7110608B2 (en) * 2001-07-02 2006-09-19 Canon Kabushiki Kaisha Digital image compression
US7245769B2 (en) * 2002-02-12 2007-07-17 Visioprime Archival of transformed and compressed data
JP4047183B2 (ja) * 2002-03-07 2008-02-13 キヤノン株式会社 画像圧縮符号化装置及びその制御方法
US7106908B2 (en) * 2002-03-12 2006-09-12 Nokia Corporation Method and apparatus for selecting a format in which to re-encode a quantized image
US7227998B2 (en) * 2002-06-11 2007-06-05 Canon Kabushiki Kaisha Image processing apparatus, control method of the same, computer program, and computer-readable storage medium
JP3783956B2 (ja) * 2002-07-23 2006-06-07 株式会社リコー 画像記録装置及び画像データ選択方法
JP2004186934A (ja) * 2002-12-03 2004-07-02 Fuji Xerox Co Ltd 画像処理システム、画像形成装置、画像処理方法、およびプログラム
JP2004221836A (ja) * 2003-01-14 2004-08-05 Ricoh Co Ltd 画像処理装置、プログラム、記憶媒体及び符号伸長方法
JP3584032B2 (ja) * 2003-02-24 2004-11-04 沖電気工業株式会社 データ圧縮装置及びデータ展開装置
JP2005045666A (ja) * 2003-07-24 2005-02-17 Mitsubishi Electric Corp トランスコーダ
JP4622843B2 (ja) 2005-12-16 2011-02-02 富士ゼロックス株式会社 画像処理装置及びプログラム
JP2008042688A (ja) * 2006-08-08 2008-02-21 Canon Inc 画像処理装置およびその制御方法、並びに、コンピュータプログラム及びコンピュータ可読記憶媒体
US7573405B2 (en) * 2006-12-29 2009-08-11 Texas Instruments Incorporated System updating accumulated statistics coding variable values after multiple encodings
JP5167944B2 (ja) * 2008-05-15 2013-03-21 株式会社リコー 情報処理装置、情報処理方法、プログラム及び記録媒体

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US20120219234A1 (en) 2012-08-30
US8983219B2 (en) 2015-03-17

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