JP4365957B2 - 画像処理方法及びその装置及び記憶媒体 - Google Patents

画像処理方法及びその装置及び記憶媒体 Download PDF

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JP4365957B2
JP4365957B2 JP31553699A JP31553699A JP4365957B2 JP 4365957 B2 JP4365957 B2 JP 4365957B2 JP 31553699 A JP31553699 A JP 31553699A JP 31553699 A JP31553699 A JP 31553699A JP 4365957 B2 JP4365957 B2 JP 4365957B2
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image
quantization
quantization index
correction value
value
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Japanese (ja)
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JP2001136526A (ja
JP2001136526A5 (enExample
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眞 佐藤
裕樹 岸
浩 梶原
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Canon Inc
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Canon Inc
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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
    • H04N19/44—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
    • H04N19/10—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]
    • 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
    • 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
    • H04N19/64—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 ordering of coefficients or of bits for transmission
    • H04N19/647—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 ordering of coefficients or of bits for transmission using significance based coding, e.g. Embedded Zerotrees of Wavelets [EZW] or Set Partitioning in Hierarchical Trees [SPIHT]

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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)
JP31553699A 1999-11-05 1999-11-05 画像処理方法及びその装置及び記憶媒体 Expired - Fee Related JP4365957B2 (ja)

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Application Number Priority Date Filing Date Title
JP31553699A JP4365957B2 (ja) 1999-11-05 1999-11-05 画像処理方法及びその装置及び記憶媒体
US09/702,764 US6947600B1 (en) 1999-11-05 2000-11-01 Information processing method, apparatus and storage medium for receiving and decoding a code sequence obtained by encoding an image

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JP31553699A JP4365957B2 (ja) 1999-11-05 1999-11-05 画像処理方法及びその装置及び記憶媒体

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JP2001136526A JP2001136526A (ja) 2001-05-18
JP2001136526A5 JP2001136526A5 (enExample) 2006-12-21
JP4365957B2 true JP4365957B2 (ja) 2009-11-18

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JP (1) JP4365957B2 (enExample)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7206459B2 (en) 2001-07-31 2007-04-17 Ricoh Co., Ltd. Enhancement of compressed images
JP3984886B2 (ja) * 2001-09-28 2007-10-03 キヤノン株式会社 データ変換装置、データ変換方法、コンピュータプログラム、記憶媒体
US7903734B2 (en) * 2003-04-24 2011-03-08 Canon Kabushiki Kaisha Moving image decoding apparatus, moving image decoding method, image decoding method, and image decoding apparatus
US7574063B2 (en) * 2003-07-23 2009-08-11 Canon Kabushiki Kaisha Image coding method and apparatus
JP4418762B2 (ja) 2004-05-07 2010-02-24 キヤノン株式会社 画像符号化装置及び画像復号装置及びそれらの制御方法、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
US20080089413A1 (en) * 2004-06-28 2008-04-17 Canon Kabushiki Kaisha Moving Image Encoding Apparatus And Moving Image Encoding Method
US7529417B2 (en) * 2004-07-09 2009-05-05 Canon Kabushiki Kaisha Apparatus, method and storage medium for image encoding/decoding using shape-based coefficient interpolation
KR100887029B1 (ko) * 2004-07-22 2009-03-04 닛본 덴끼 가부시끼가이샤 화상 처리 시스템
JP4533035B2 (ja) * 2004-08-02 2010-08-25 キヤノン株式会社 画像符号化装置及び方法、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
JP4533043B2 (ja) * 2004-08-25 2010-08-25 キヤノン株式会社 画像符号化装置及び方法、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
JP4393319B2 (ja) * 2004-09-08 2010-01-06 キヤノン株式会社 画像符号化装置及び方法、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
JP4440051B2 (ja) * 2004-09-08 2010-03-24 キヤノン株式会社 画像符号化装置及び方法、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
JP4693603B2 (ja) * 2004-11-15 2011-06-01 キヤノン株式会社 画像符号化装置及びその制御方法、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
JP4725127B2 (ja) * 2005-02-16 2011-07-13 ソニー株式会社 復号装置および方法、記録媒体、並びにプログラム
US7650039B2 (en) 2005-03-03 2010-01-19 Canon Kabushiki Kaisha Image encoding apparatus, image decoding apparatus, control method therefor, computer program, and computer-readable storage medium
JP4775756B2 (ja) * 2005-03-18 2011-09-21 富士ゼロックス株式会社 復号化装置及びそのプログラム
JP4645948B2 (ja) * 2005-03-18 2011-03-09 富士ゼロックス株式会社 復号化装置及びプログラム
JP4587175B2 (ja) * 2005-05-19 2010-11-24 キヤノン株式会社 画像符号化装置及び方法、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
JP4784281B2 (ja) * 2005-11-18 2011-10-05 富士ゼロックス株式会社 復号化装置、逆量子化方法及びこれらのプログラム
JP4979323B2 (ja) * 2005-12-07 2012-07-18 キヤノン株式会社 画像処理装置及びその制御方法
JP4732203B2 (ja) * 2006-03-17 2011-07-27 キヤノン株式会社 画像符号化装置及び復号装置及びそれらの制御方法、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
JP4829835B2 (ja) * 2006-06-12 2011-12-07 キヤノン株式会社 画像処理装置、画像処理方法、コンピュータプログラム、及びコンピュータ読み取り可能な記憶媒体
EP1978749B1 (en) * 2007-04-06 2017-08-30 Canon Kabushiki Kaisha Compression of multidimensional look-up tables for colour space conversion
JP4986906B2 (ja) * 2008-03-27 2012-07-25 株式会社リコー 復号装置、復号方法、プログラム及び記録媒体
JP4958831B2 (ja) * 2008-04-02 2012-06-20 キヤノン株式会社 画像符号化装置及びその制御方法
JP4958832B2 (ja) * 2008-04-02 2012-06-20 キヤノン株式会社 画像符号化装置及びその制御方法
JP4979655B2 (ja) * 2008-08-07 2012-07-18 キヤノン株式会社 画像符号化装置及びその制御方法
JP5081113B2 (ja) * 2008-09-17 2012-11-21 キヤノン株式会社 画像符号化装置及び画像復号装置、並びにそれらの制御方法
JP5199955B2 (ja) * 2009-06-16 2013-05-15 キヤノン株式会社 画像復号装置及びその制御方法
JP5199956B2 (ja) * 2009-06-16 2013-05-15 キヤノン株式会社 画像復号装置及びその制御方法
JP5529571B2 (ja) * 2010-02-08 2014-06-25 キヤノン株式会社 画像符号化装置及びその制御方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0597556B1 (en) 1985-12-13 2001-10-17 Canon Kabushiki Kaisha Image processing apparatus
JP3171913B2 (ja) 1992-04-03 2001-06-04 キヤノン株式会社 画像符号化装置及び画像符号化方法
JP3202433B2 (ja) * 1993-09-17 2001-08-27 株式会社リコー 量子化装置、逆量子化装置及び画像処理装置並びに量子化方法、逆量子化方法及び画像処理方法
JPH08130649A (ja) 1994-11-01 1996-05-21 Canon Inc データ処理装置
US6031938A (en) 1995-04-26 2000-02-29 Canon Kabushiki Kaisha Image encoding apparatus with selective Markov and predictive coding
US6101282A (en) 1995-06-22 2000-08-08 Canon Kabushiki Kaisha Apparatus and method for image data encoding
US5812788A (en) * 1995-07-21 1998-09-22 Intel Corporation Encoding/decoding video signals using quantization tables based on explicitly encoded base and scale matrices
US5819215A (en) * 1995-10-13 1998-10-06 Dobson; Kurt Method and apparatus for wavelet based data compression having adaptive bit rate control for compression of digital audio or other sensory data
US6028963A (en) 1996-06-17 2000-02-22 Canon Kabushiki Kaisha Image encoding based on judgement on prediction error
US6373894B1 (en) * 1997-02-18 2002-04-16 Sarnoff Corporation Method and apparatus for recovering quantized coefficients
US6459816B2 (en) * 1997-05-08 2002-10-01 Ricoh Company, Ltd. Image processing system for compressing image data including binary image data and continuous tone image data by a sub-band transform method with a high-compression rate
US6603884B2 (en) * 1997-05-08 2003-08-05 Ricoh Company, Ltd. Image processing system for compressing image data including binary image data and continuous tone image data by a sub-band transform method with a high-compression rate
AUPO951297A0 (en) * 1997-09-29 1997-10-23 Canon Information Systems Research Australia Pty Ltd Method and apparatus for digital data compression

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JP2001136526A (ja) 2001-05-18

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