JP3977087B2 - 画像符号化装置、方法及びプログラム - Google Patents

画像符号化装置、方法及びプログラム Download PDF

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Publication number
JP3977087B2
JP3977087B2 JP2002013524A JP2002013524A JP3977087B2 JP 3977087 B2 JP3977087 B2 JP 3977087B2 JP 2002013524 A JP2002013524 A JP 2002013524A JP 2002013524 A JP2002013524 A JP 2002013524A JP 3977087 B2 JP3977087 B2 JP 3977087B2
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Japan
Prior art keywords
orthogonal transform
scan
output
order
quantization
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JP2002013524A
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Japanese (ja)
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JP2002320091A5 (enExample
JP2002320091A (ja
Inventor
進 五十嵐
克己 大塚
幸郎 千葉
佐藤　　誠
徹也 立野
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Canon Inc
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Canon Inc
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Priority to JP2002013524A priority Critical patent/JP3977087B2/ja
Priority to US10/073,112 priority patent/US7218788B2/en
Publication of JP2002320091A publication Critical patent/JP2002320091A/ja
Publication of JP2002320091A5 publication Critical patent/JP2002320091A5/ja
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/007—Transform coding, e.g. discrete cosine transform

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (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)
JP2002013524A 2001-02-13 2002-01-22 画像符号化装置、方法及びプログラム Expired - Fee Related JP3977087B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002013524A JP3977087B2 (ja) 2001-02-13 2002-01-22 画像符号化装置、方法及びプログラム
US10/073,112 US7218788B2 (en) 2001-02-13 2002-02-12 Image coder/decoder, image coding/decoding method, and storage medium

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001-36095 2001-02-13
JP2001036095 2001-02-13
JP2002013524A JP3977087B2 (ja) 2001-02-13 2002-01-22 画像符号化装置、方法及びプログラム

Related Child Applications (1)

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JP2006283147A Division JP4267020B2 (ja) 2001-02-13 2006-10-17 画像復号化装置、方法及びプログラム

Publications (3)

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JP2002320091A JP2002320091A (ja) 2002-10-31
JP2002320091A5 JP2002320091A5 (enExample) 2005-08-11
JP3977087B2 true JP3977087B2 (ja) 2007-09-19

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JP2002013524A Expired - Fee Related JP3977087B2 (ja) 2001-02-13 2002-01-22 画像符号化装置、方法及びプログラム

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US (1) US7218788B2 (enExample)
JP (1) JP3977087B2 (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002261623A (ja) * 2001-02-28 2002-09-13 Canon Inc 復号装置、復号方法、記憶媒体及びプログラムソフトウェア
EP1271926B1 (en) * 2001-06-18 2015-08-12 Canon Kabushiki Kaisha Image processing method, apparatus and computer program for compression-encoding
CN1320809C (zh) * 2001-08-29 2007-06-06 佳能株式会社 图像处理装置与方法
US7106909B2 (en) * 2001-12-25 2006-09-12 Canon Kabushiki Kaisha Method and apparatus for encoding image data in accordance with a target data size
JP2003250154A (ja) 2002-02-22 2003-09-05 Canon Inc 画像処理装置及びその制御方法
JP2003304404A (ja) * 2002-04-09 2003-10-24 Canon Inc 画像符号化装置
JP2004007555A (ja) * 2002-04-09 2004-01-08 Canon Inc エントロピー符号化装置
JP4181887B2 (ja) * 2002-05-29 2008-11-19 キヤノン株式会社 可変長符号化装置、及びその方法
JP4366141B2 (ja) * 2002-08-20 2009-11-18 キヤノン株式会社 画像処理装置、画像処理方法、記憶媒体、及びプログラム
JP4537089B2 (ja) * 2003-04-01 2010-09-01 キヤノン株式会社 可変長復号装置及び方法、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
EP1530373A2 (en) * 2003-11-06 2005-05-11 Matsushita Electric Industrial Co., Ltd. Memory arrangement for a quick read access to image blocks according to a different scan order
JP4742614B2 (ja) * 2005-02-25 2011-08-10 ソニー株式会社 データ変換装置および方法、データ逆変換装置および方法、情報処理システム、記録媒体、並びにプログラム
JP4993676B2 (ja) * 2006-09-01 2012-08-08 キヤノン株式会社 画像符号化装置及び画像符号化方法
JP4878262B2 (ja) * 2006-10-31 2012-02-15 キヤノン株式会社 エントロピー符号化装置
US8000546B2 (en) * 2008-08-01 2011-08-16 National Cheng Kung University Adaptive scan method for image/video coding
JP6016332B2 (ja) 2011-05-12 2016-10-26 キヤノン株式会社 画像処理装置、画像処理方法
CN102595134B (zh) * 2012-02-23 2014-06-11 杭州士兰微电子股份有限公司 一种四通道的之型扫描方法
JP7598254B2 (ja) 2021-02-04 2024-12-11 キヤノン株式会社 符号化装置、撮像装置、符号化方法、及びプログラム

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5121216A (en) * 1989-07-19 1992-06-09 Bell Communications Research Adaptive transform coding of still images
DE69033946T2 (de) * 1989-12-25 2002-11-21 Mitsubishi Denki K.K., Tokio/Tokyo Kodierungsgerät
US5838834A (en) * 1991-11-07 1998-11-17 Canon Kabushiki Kaisha Image processing apparatus and method for quantizing image data and quantization errors using single quantizing unit and pluralities of quantization tables
JPH0654196A (ja) 1992-07-31 1994-02-25 Canon Inc 画像処理装置
EP0586074B1 (en) * 1992-07-31 2001-11-14 Canon Kabushiki Kaisha Image processing apparatus and method suitable for multistage compression
AU688635B2 (en) * 1994-12-16 1998-03-12 Canon Kabushiki Kaisha Coding/decoding apparatus and coding/decoding method
JP3394619B2 (ja) 1995-01-12 2003-04-07 富士フイルムマイクロデバイス株式会社 画像圧縮システム
JP3453452B2 (ja) * 1995-05-19 2003-10-06 キヤノン株式会社 復号化装置
EP1104972B1 (en) * 1996-11-06 2003-09-10 Matsushita Electric Industrial Co., Ltd. Image decoding method using variable length codes
US6313767B1 (en) * 1999-02-19 2001-11-06 Canon Kabushiki Kaisha Decoding apparatus and method

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JP2002320091A (ja) 2002-10-31
US7218788B2 (en) 2007-05-15
US20020122599A1 (en) 2002-09-05

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