JP4463476B2 - 複数領域2レイヤフォーマットを用いた複合文書画像圧縮 - Google Patents
複数領域2レイヤフォーマットを用いた複合文書画像圧縮 Download PDFInfo
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- JP4463476B2 JP4463476B2 JP2002562074A JP2002562074A JP4463476B2 JP 4463476 B2 JP4463476 B2 JP 4463476B2 JP 2002562074 A JP2002562074 A JP 2002562074A JP 2002562074 A JP2002562074 A JP 2002562074A JP 4463476 B2 JP4463476 B2 JP 4463476B2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/41—Bandwidth or redundancy reduction
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Processing Or Creating Images (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Image Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Color Image Communication Systems (AREA)
Description
Claims (8)
- 文書をフォーマットする方法であって、
文書をテキストレイヤと非テキストレイヤに分離するステップ(64)と、
前記文書のテキストの本文の色に基いて、前記文書を複数の領域に分割するステップ(66)と、
前記テキストレイヤにおける複数の領域のそれぞれにおけるテキストの色情報を指定するとともに、前記非テキストレイヤにおけるピクセルの色情報を指定するステップ(66)と、
前記複数の領域のそれぞれについて、前記テキストレイヤ、及び前記非テキストレイヤを圧縮するステップ(68)と
を含む方法。 - 前記圧縮するステップ(68)は、
第1の圧縮方法を用いて前記テキストレイヤを圧縮するステップ(68)と、
第2の圧縮方法を用いて前記非テキストレイヤを圧縮するステップ(68)と
をさらに含む、請求項1に記載の方法。 - 前記テキストレイヤを圧縮するステップ(68)は、前記第1の圧縮方法として可逆圧縮方法を使用することを含み、
前記非テキストレイヤを圧縮するステップ(68)は、前記第2の圧縮方法として非可逆圧縮方法を使用することを含む、請求項2に記載の方法。 - 前記テキストレイヤは、前記領域のそれぞれにおけるピクセルに関連するバイナリ値を含み、各バイナリ値は、対応するピクセルに対し、前記テキストレイヤからの色を使用すべきか、それとも前記非テキストレイヤからの色を使用すべきか指定する、請求項1に記載の方法。
- 前記指定するステップ(66)は、前記非テキストレイヤにおける前記ピクセルにRGB値を指定することを含む、請求項1に記載の方法。
- 前記圧縮するステップ(68)の後、前記テキストレイヤ、及び前記非テキストレイヤをPDF形式で格納するステップ(70)をさらに含む、請求項1に記載の方法。
- 前記指定するステップ(66)は、前記複数の領域におけるテキストに同一の色を指定することを含む、請求項1に記載の方法。
- 前記指定するステップ(66)は、前記テキストレイヤの背景色情報を指定することを含む、請求項1に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/774,074 US7145676B2 (en) | 2001-01-31 | 2001-01-31 | Compound document image compression using multi-region two layer format |
PCT/US2002/002060 WO2002062050A2 (en) | 2001-01-31 | 2002-01-23 | Compound document image compression using multi-region two layer format |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005500709A JP2005500709A (ja) | 2005-01-06 |
JP2005500709A5 JP2005500709A5 (ja) | 2005-12-22 |
JP4463476B2 true JP4463476B2 (ja) | 2010-05-19 |
Family
ID=25100169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002562074A Expired - Fee Related JP4463476B2 (ja) | 2001-01-31 | 2002-01-23 | 複数領域2レイヤフォーマットを用いた複合文書画像圧縮 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7145676B2 (ja) |
JP (1) | JP4463476B2 (ja) |
DE (1) | DE10295968T5 (ja) |
GB (1) | GB2390257B (ja) |
TW (1) | TW522737B (ja) |
WO (1) | WO2002062050A2 (ja) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
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US7600183B2 (en) * | 2000-06-16 | 2009-10-06 | Olive Software Inc. | System and method for data publication through web pages |
JP2003046790A (ja) * | 2001-07-30 | 2003-02-14 | Fuji Photo Film Co Ltd | 色修正指示装置 |
US7346215B2 (en) * | 2001-12-31 | 2008-03-18 | Transpacific Ip, Ltd. | Apparatus and method for capturing a document |
US7321623B2 (en) | 2002-10-01 | 2008-01-22 | Avocent Corporation | Video compression system |
US9560371B2 (en) | 2003-07-30 | 2017-01-31 | Avocent Corporation | Video compression system |
US7343046B2 (en) * | 2004-02-12 | 2008-03-11 | Xerox Corporation | Systems and methods for organizing image data into regions |
US6992686B2 (en) * | 2004-06-14 | 2006-01-31 | Xerox Corporation | System and method for dynamic control of file size |
US7006700B2 (en) | 2004-06-25 | 2006-02-28 | Avocent Corporation | Digital video compression command priority |
US7457461B2 (en) | 2004-06-25 | 2008-11-25 | Avocent Corporation | Video compression noise immunity |
US7542164B2 (en) * | 2004-07-14 | 2009-06-02 | Xerox Corporation | Common exchange format architecture for color printing in a multi-function system |
US7594169B2 (en) * | 2005-08-18 | 2009-09-22 | Adobe Systems Incorporated | Compressing, and extracting a value from, a page descriptor format file |
US7913160B2 (en) * | 2006-02-16 | 2011-03-22 | Xerox Corporation | Document versioning based on layer content |
US8718147B2 (en) | 2006-02-17 | 2014-05-06 | Avocent Huntsville Corporation | Video compression algorithm |
US7555570B2 (en) | 2006-02-17 | 2009-06-30 | Avocent Huntsville Corporation | Device and method for configuring a target device |
DE102006010763A1 (de) * | 2006-03-08 | 2007-09-13 | Netviewer Gmbh | Hybrides Bildkompressionsverfahren |
WO2007127452A2 (en) | 2006-04-28 | 2007-11-08 | Avocent Corporation | Dvc delta commands |
US7483186B2 (en) * | 2006-07-03 | 2009-01-27 | Xerox Corporation | Pitch to pitch online gray balance calibration |
US7903873B2 (en) * | 2007-09-13 | 2011-03-08 | Microsoft Corporation | Textual image coding |
JP5523047B2 (ja) * | 2008-10-20 | 2014-06-18 | キヤノン株式会社 | 電子文書生成方法及び電子文書生成装置 |
US9069731B2 (en) * | 2009-12-29 | 2015-06-30 | Olive Software Inc. | System and method for providing online versions of print-medium publications |
JP5847063B2 (ja) | 2012-11-27 | 2016-01-20 | 京セラドキュメントソリューションズ株式会社 | 画像処理装置 |
JP5847062B2 (ja) | 2012-11-27 | 2016-01-20 | 京セラドキュメントソリューションズ株式会社 | 画像処理装置 |
EP3091440A4 (en) | 2015-03-12 | 2017-04-26 | Renesas Electronics Corporation | Data processing device, data processing system and method therefor |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5280367A (en) * | 1991-05-28 | 1994-01-18 | Hewlett-Packard Company | Automatic separation of text from background in scanned images of complex documents |
US5243414A (en) * | 1991-07-29 | 1993-09-07 | Tektronix, Inc. | Color processing system |
EP0580375B1 (en) | 1992-07-20 | 1998-06-17 | Canon Kabushiki Kaisha | Image processing and communication apparatus |
US5991515A (en) * | 1992-11-10 | 1999-11-23 | Adobe Systems Incorporated | Method and apparatus for compressing and decompressing data prior to display |
US5638498A (en) | 1992-11-10 | 1997-06-10 | Adobe Systems Incorporated | Method and apparatus for reducing storage requirements for display data |
US5706096A (en) | 1994-04-25 | 1998-01-06 | Ricoh Company, Ltd. | Optimum line density determining method and system |
US5552898A (en) | 1994-07-06 | 1996-09-03 | Agfa-Gevaert | Lossy and lossless compression in raster image processor |
US5778092A (en) | 1996-12-20 | 1998-07-07 | Xerox Corporation | Method and apparatus for compressing color or gray scale documents |
US5982937A (en) | 1996-12-24 | 1999-11-09 | Electronics For Imaging, Inc. | Apparatus and method for hybrid compression of raster data |
US6400844B1 (en) | 1998-12-02 | 2002-06-04 | Xerox Corporation | Method and apparatus for segmenting data to create mixed raster content planes |
US6809741B1 (en) * | 1999-06-09 | 2004-10-26 | International Business Machines Corporation | Automatic color contrast adjuster |
US6856428B1 (en) * | 1999-06-10 | 2005-02-15 | Electronics For Imaging, Inc. | Black text printing from page description languages |
-
2001
- 2001-01-31 US US09/774,074 patent/US7145676B2/en not_active Expired - Lifetime
- 2001-08-24 TW TW090120945A patent/TW522737B/zh not_active IP Right Cessation
-
2002
- 2002-01-23 WO PCT/US2002/002060 patent/WO2002062050A2/en active Application Filing
- 2002-01-23 GB GB0317737A patent/GB2390257B/en not_active Expired - Fee Related
- 2002-01-23 JP JP2002562074A patent/JP4463476B2/ja not_active Expired - Fee Related
- 2002-01-23 DE DE10295968T patent/DE10295968T5/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US20020101609A1 (en) | 2002-08-01 |
US7145676B2 (en) | 2006-12-05 |
GB2390257A (en) | 2003-12-31 |
WO2002062050A2 (en) | 2002-08-08 |
TW522737B (en) | 2003-03-01 |
GB2390257B (en) | 2005-06-29 |
GB0317737D0 (en) | 2003-09-03 |
WO2002062050A3 (en) | 2003-01-23 |
DE10295968T5 (de) | 2004-04-22 |
JP2005500709A (ja) | 2005-01-06 |
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