CN1545067A - 一种利用计算机对数字化档案文件压缩的方法 - Google Patents
一种利用计算机对数字化档案文件压缩的方法 Download PDFInfo
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- CN1545067A CN1545067A CNA2003101114618A CN200310111461A CN1545067A CN 1545067 A CN1545067 A CN 1545067A CN A2003101114618 A CNA2003101114618 A CN A2003101114618A CN 200310111461 A CN200310111461 A CN 200310111461A CN 1545067 A CN1545067 A CN 1545067A
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- 238000000034 method Methods 0.000 title claims abstract description 67
- 238000007906 compression Methods 0.000 claims abstract description 55
- 230000006835 compression Effects 0.000 claims abstract description 51
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Images
Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Image Processing (AREA)
Abstract
Description
文件名 | 本算法(KB) | 超星PDG格式(KB) | 本算法较超星PDG格式压缩率提高比率(%) | 国图NLC格式(KB) | 本算法较国图NLC格式压缩提高比率(%) |
000019 | 25.90 | 64.10 | 59.59 | 50.90 | 49.12 |
000025 | 15.20 | 29.10 | 47.77 | 21.70 | 29.95 |
000031 | 25.80 | 48.10 | 46.36 | 34.30 | 24.78 |
平均 | 22.30 | 47.10 | 51.24 | 35.63 | 34.61 |
If(Count_0<Count_1= { LPS=0; Count_LPS=Count_0; } else { LPS=I; Count_LPS=Count_1; } Range_LPS=Range*Count_LPS/(Count_0+Count_1); If(Current_Inputting_Bit=LPS) <!-- SIPO <DP n="10"> --> <dp n="d10"/> { Low+=Range-Range_LPS; } else { Range-=Range_LPS; }
Claims (7)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2003101114618A CN100541537C (zh) | 2003-11-24 | 2003-11-24 | 一种利用计算机对数字化档案文件压缩的方法 |
US10/995,576 US20060001557A1 (en) | 2003-11-24 | 2004-11-23 | Computer-implemented method for compressing image files |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2003101114618A CN100541537C (zh) | 2003-11-24 | 2003-11-24 | 一种利用计算机对数字化档案文件压缩的方法 |
Publications (2)
Publication Number | Publication Date |
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CN1545067A true CN1545067A (zh) | 2004-11-10 |
CN100541537C CN100541537C (zh) | 2009-09-16 |
Family
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CNB2003101114618A Expired - Fee Related CN100541537C (zh) | 2003-11-24 | 2003-11-24 | 一种利用计算机对数字化档案文件压缩的方法 |
Country Status (2)
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US (1) | US20060001557A1 (zh) |
CN (1) | CN100541537C (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104980619A (zh) * | 2014-04-10 | 2015-10-14 | 富士通株式会社 | 图像处理设备和电子装置 |
CN111858981A (zh) * | 2019-04-30 | 2020-10-30 | 富泰华工业(深圳)有限公司 | 图档搜索方法、装置及计算机可读存储介质 |
CN116150129A (zh) * | 2023-04-19 | 2023-05-23 | 国家海洋局北海环境监测中心 | 入海排污口数据整编评估方法 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060170944A1 (en) * | 2005-01-31 | 2006-08-03 | Arps Ronald B | Method and system for rasterizing and encoding multi-region data |
US7989986B2 (en) * | 2006-03-23 | 2011-08-02 | Access Business Group International Llc | Inductive power supply with device identification |
JP2012160985A (ja) * | 2011-02-02 | 2012-08-23 | Fuji Xerox Co Ltd | 情報処理装置及び情報処理プログラム |
US8938001B1 (en) * | 2011-04-05 | 2015-01-20 | Google Inc. | Apparatus and method for coding using combinations |
US8891616B1 (en) | 2011-07-27 | 2014-11-18 | Google Inc. | Method and apparatus for entropy encoding based on encoding cost |
US9247257B1 (en) | 2011-11-30 | 2016-01-26 | Google Inc. | Segmentation based entropy encoding and decoding |
US11039138B1 (en) | 2012-03-08 | 2021-06-15 | Google Llc | Adaptive coding of prediction modes using probability distributions |
US9774856B1 (en) | 2012-07-02 | 2017-09-26 | Google Inc. | Adaptive stochastic entropy coding |
US8773292B2 (en) * | 2012-10-09 | 2014-07-08 | Alcatel Lucent | Data compression |
US9509998B1 (en) | 2013-04-04 | 2016-11-29 | Google Inc. | Conditional predictive multi-symbol run-length coding |
US9392288B2 (en) | 2013-10-17 | 2016-07-12 | Google Inc. | Video coding using scatter-based scan tables |
US9179151B2 (en) | 2013-10-18 | 2015-11-03 | Google Inc. | Spatial proximity context entropy coding |
CN104394418B (zh) * | 2014-09-23 | 2018-06-05 | 清华大学 | 一种视频数据编码、解码的方法及装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58114670A (ja) * | 1981-12-28 | 1983-07-08 | Photo Composing Mach Mfg Co Ltd | 文字画像デ−タ圧縮方式 |
US5303313A (en) * | 1991-12-16 | 1994-04-12 | Cartesian Products, Inc. | Method and apparatus for compression of images |
FR2698192B1 (fr) * | 1992-11-16 | 1995-09-08 | Ona Electro Erosion | Système de génération en deux dimensions de la géométrie d'un modèle par vision artificielle. |
US7171016B1 (en) * | 1993-11-18 | 2007-01-30 | Digimarc Corporation | Method for monitoring internet dissemination of image, video and/or audio files |
US5815096A (en) * | 1995-09-13 | 1998-09-29 | Bmc Software, Inc. | Method for compressing sequential data into compression symbols using double-indirect indexing into a dictionary data structure |
US5710719A (en) * | 1995-10-19 | 1998-01-20 | America Online, Inc. | Apparatus and method for 2-dimensional data compression |
US5818965A (en) * | 1995-12-20 | 1998-10-06 | Xerox Corporation | Consolidation of equivalence classes of scanned symbols |
JP3061765B2 (ja) * | 1996-05-23 | 2000-07-10 | ゼロックス コーポレイション | コンピュータベースの文書処理方法 |
EP0956701B1 (en) * | 1997-02-03 | 2005-11-23 | Sharp Kabushiki Kaisha | An embedded image coder with rate-distortion optimization |
US6247015B1 (en) * | 1998-09-08 | 2001-06-12 | International Business Machines Corporation | Method and system for compressing files utilizing a dictionary array |
US6460044B1 (en) * | 1999-02-02 | 2002-10-01 | Jinbo Wang | Intelligent method for computer file compression |
US6904170B2 (en) * | 2002-05-17 | 2005-06-07 | Hewlett-Packard Development Company, L.P. | Method and system for document segmentation |
US7873218B2 (en) * | 2004-04-26 | 2011-01-18 | Canon Kabushiki Kaisha | Function approximation processing method and image processing method |
-
2003
- 2003-11-24 CN CNB2003101114618A patent/CN100541537C/zh not_active Expired - Fee Related
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2004
- 2004-11-23 US US10/995,576 patent/US20060001557A1/en not_active Abandoned
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104980619A (zh) * | 2014-04-10 | 2015-10-14 | 富士通株式会社 | 图像处理设备和电子装置 |
CN104980619B (zh) * | 2014-04-10 | 2018-04-13 | 富士通株式会社 | 图像处理设备和电子装置 |
CN111858981A (zh) * | 2019-04-30 | 2020-10-30 | 富泰华工业(深圳)有限公司 | 图档搜索方法、装置及计算机可读存储介质 |
CN116150129A (zh) * | 2023-04-19 | 2023-05-23 | 国家海洋局北海环境监测中心 | 入海排污口数据整编评估方法 |
Also Published As
Publication number | Publication date |
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US20060001557A1 (en) | 2006-01-05 |
CN100541537C (zh) | 2009-09-16 |
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Application publication date: 20041110 Assignee: Nanning sea light data Co., Ltd. Assignor: Liao Hong Contract record no.: 2009450000124 Denomination of invention: A method for compressing digitalized archive file using computer Granted publication date: 20090916 License type: Exclusive License Record date: 20091216 |
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