JP5753473B2 - 二次元ビジュアルフィンガープリントを用いる複製ドキュメントコンテンツの検出方法 - Google Patents

二次元ビジュアルフィンガープリントを用いる複製ドキュメントコンテンツの検出方法 Download PDF

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JP5753473B2
JP5753473B2 JP2011227416A JP2011227416A JP5753473B2 JP 5753473 B2 JP5753473 B2 JP 5753473B2 JP 2011227416 A JP2011227416 A JP 2011227416A JP 2011227416 A JP2011227416 A JP 2011227416A JP 5753473 B2 JP5753473 B2 JP 5753473B2
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fingerprint
document
page
image
keypoint
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JP2012089132A (ja
JP2012089132A5 (enExample
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ドロン・クレッター
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Palo Alto Research Center Inc
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Palo Alto Research Center Inc
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/40—Document-oriented image-based pattern recognition
    • G06V30/41—Analysis of document content
    • G06V30/418—Document matching, e.g. of document images
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/40—Document-oriented image-based pattern recognition
    • G06V30/41—Analysis of document content
    • G06V30/414—Extracting the geometrical structure, e.g. layout tree; Block segmentation, e.g. bounding boxes for graphics or text

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  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • General Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Computer Graphics (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Document Processing Apparatus (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
JP2011227416A 2010-10-19 2011-10-14 二次元ビジュアルフィンガープリントを用いる複製ドキュメントコンテンツの検出方法 Active JP5753473B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/907,226 2010-10-19
US12/907,226 US8750624B2 (en) 2010-10-19 2010-10-19 Detection of duplicate document content using two-dimensional visual fingerprinting

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JP2012089132A JP2012089132A (ja) 2012-05-10
JP2012089132A5 JP2012089132A5 (enExample) 2014-11-27
JP5753473B2 true JP5753473B2 (ja) 2015-07-22

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US (1) US8750624B2 (enExample)
EP (1) EP2444920B1 (enExample)
JP (1) JP5753473B2 (enExample)

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CN108664900B (zh) * 2018-04-20 2022-05-27 上海掌门科技有限公司 一种用于识别文字作品异同的方法与设备
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CN109471921A (zh) * 2018-11-23 2019-03-15 深圳市元征科技股份有限公司 一种文本查重方法、装置及设备
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CN113297888B (zh) * 2020-09-18 2024-06-07 阿里巴巴集团控股有限公司 一种图像内容检测结果核查方法及装置

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Also Published As

Publication number Publication date
EP2444920A2 (en) 2012-04-25
US8750624B2 (en) 2014-06-10
JP2012089132A (ja) 2012-05-10
US20120093421A1 (en) 2012-04-19
EP2444920A3 (en) 2013-04-03
EP2444920B1 (en) 2019-08-21

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