JP2002010085A5 - - Google Patents

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Publication number
JP2002010085A5
JP2002010085A5 JP2001121252A JP2001121252A JP2002010085A5 JP 2002010085 A5 JP2002010085 A5 JP 2002010085A5 JP 2001121252 A JP2001121252 A JP 2001121252A JP 2001121252 A JP2001121252 A JP 2001121252A JP 2002010085 A5 JP2002010085 A5 JP 2002010085A5
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JP
Japan
Prior art keywords
processing method
basis
image processing
image
transform
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Application number
JP2001121252A
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English (en)
Japanese (ja)
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JP2002010085A (ja
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Priority claimed from US09/567,200 external-priority patent/US6584225B1/en
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Publication of JP2002010085A publication Critical patent/JP2002010085A/ja
Publication of JP2002010085A5 publication Critical patent/JP2002010085A5/ja
Withdrawn legal-status Critical Current

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JP2001121252A 2000-05-08 2001-04-19 画像処理方法 Withdrawn JP2002010085A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/567,200 US6584225B1 (en) 2000-05-08 2000-05-08 Frequency domain halftoning
US09/567200 2000-05-08

Publications (2)

Publication Number Publication Date
JP2002010085A JP2002010085A (ja) 2002-01-11
JP2002010085A5 true JP2002010085A5 (https=) 2005-08-11

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ID=24266148

Family Applications (1)

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JP2001121252A Withdrawn JP2002010085A (ja) 2000-05-08 2001-04-19 画像処理方法

Country Status (2)

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US (1) US6584225B1 (https=)
JP (1) JP2002010085A (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1489830B1 (en) * 2003-06-16 2006-11-22 Océ-Technologies B.V. Method and apparatus for generating a halftoned image from a compressed image
JP4486847B2 (ja) * 2003-06-16 2010-06-23 オセ−テクノロジーズ・ベー・ヴエー 圧縮画像から中間調画像を作成する方法と装置
US7570824B2 (en) * 2003-07-11 2009-08-04 Sharp Kabushiki Kaisha Image processing method, image processor, image forming apparatus and memory product
US7692817B2 (en) * 2004-06-23 2010-04-06 Sharp Kabushiki Kaisha Image processing method, image processing apparatus, image forming apparatus, computer program product and computer memory product for carrying out image processing by transforming image data to image data having spatial frequency components
JP4381360B2 (ja) * 2005-08-30 2009-12-09 シャープ株式会社 画像処理方法、画像処理装置、画像形成装置、コンピュータプログラム及び記録媒体
EP2018070A1 (en) * 2007-07-17 2009-01-21 Thomson Licensing Method for processing images and the corresponding electronic device
KR101619972B1 (ko) * 2008-10-02 2016-05-11 한국전자통신연구원 이산 여현 변환/이산 정현 변환을 선택적으로 이용하는 부호화/복호화 장치 및 방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5121445A (en) * 1986-07-01 1992-06-09 Konica Corporation Method and apparatus for reading image
US4922273A (en) * 1987-04-02 1990-05-01 Konica Corporation Compression method of halftone image data
JP3311221B2 (ja) * 1995-01-10 2002-08-05 キヤノン株式会社 画像処理装置及びその方法
KR100501902B1 (ko) * 1996-09-25 2005-10-10 주식회사 팬택앤큐리텔 영상정보부호화/복호화장치및방법
JP3649537B2 (ja) * 1996-11-27 2005-05-18 日本アイ・ビー・エム株式会社 データハイディング方法及びデータ抽出方法
JP3452115B2 (ja) * 1997-06-13 2003-09-29 富士ゼロックス株式会社 画像処理装置
KR100281463B1 (ko) * 1998-03-14 2001-02-01 전주범 물체 기반 부호화 시스템의 보조 정보 부호화 장치
US6064764A (en) * 1998-03-30 2000-05-16 Seiko Epson Corporation Fragile watermarks for detecting tampering in images
US6421386B1 (en) * 1999-12-29 2002-07-16 Hyundai Electronics Industries Co., Ltd. Method for coding digital moving video including gray scale shape information

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