JPH11312220A5 - - Google Patents

Info

Publication number
JPH11312220A5
JPH11312220A5 JP1999069138A JP6913899A JPH11312220A5 JP H11312220 A5 JPH11312220 A5 JP H11312220A5 JP 1999069138 A JP1999069138 A JP 1999069138A JP 6913899 A JP6913899 A JP 6913899A JP H11312220 A5 JPH11312220 A5 JP H11312220A5
Authority
JP
Japan
Prior art keywords
image
candidate
value
images
sample image
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP1999069138A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11312220A (ja
JP4497574B2 (ja
Filing date
Publication date
Priority claimed from US09/042,016 external-priority patent/US6266445B1/en
Application filed filed Critical
Publication of JPH11312220A publication Critical patent/JPH11312220A/ja
Publication of JPH11312220A5 publication Critical patent/JPH11312220A5/ja
Application granted granted Critical
Publication of JP4497574B2 publication Critical patent/JP4497574B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

JP06913899A 1998-03-13 1999-03-15 正規化されたグレースケール画像の分類駆動型閾値処理 Expired - Fee Related JP4497574B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/042016 1998-03-13
US09/042,016 US6266445B1 (en) 1998-03-13 1998-03-13 Classification-driven thresholding of a normalized grayscale image

Publications (3)

Publication Number Publication Date
JPH11312220A JPH11312220A (ja) 1999-11-09
JPH11312220A5 true JPH11312220A5 (enExample) 2009-11-12
JP4497574B2 JP4497574B2 (ja) 2010-07-07

Family

ID=21919592

Family Applications (1)

Application Number Title Priority Date Filing Date
JP06913899A Expired - Fee Related JP4497574B2 (ja) 1998-03-13 1999-03-15 正規化されたグレースケール画像の分類駆動型閾値処理

Country Status (5)

Country Link
US (1) US6266445B1 (enExample)
EP (1) EP0949580B1 (enExample)
JP (1) JP4497574B2 (enExample)
CA (1) CA2265423C (enExample)
DE (1) DE69931211D1 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100295225B1 (ko) * 1997-07-31 2001-07-12 윤종용 컴퓨터에서 영상정보 검색장치 및 방법
JP3965983B2 (ja) * 2001-11-30 2007-08-29 松下電工株式会社 画像処理方法およびその装置
US7590260B2 (en) * 2003-09-25 2009-09-15 Siemens Aktiengesellschaft Method and apparatus for video coding by validation matrix
CN100369051C (zh) * 2005-01-11 2008-02-13 富士通株式会社 灰度字符词典的生成装置
DE102006016602B4 (de) * 2006-04-06 2007-12-13 Siemens Ag Verfahren zur Erkennung einer Postsendungsinformation
US7870140B2 (en) 2006-06-12 2011-01-11 D&S Consultants, Inc. System and method of incorporating user preferences in image searches
US7869657B2 (en) 2006-06-12 2011-01-11 D & S Consultants, Inc. System and method for comparing images using an edit distance
US8027549B2 (en) 2006-06-12 2011-09-27 D&S Consultants, Inc. System and method for searching a multimedia database using a pictorial language
US8311341B1 (en) 2006-11-29 2012-11-13 D & S Consultants, Inc. Enhanced method for comparing images using a pictorial edit distance
US8504546B2 (en) 2006-11-29 2013-08-06 D&S Consultants, Inc. Method and system for searching multimedia content
US7921120B2 (en) 2006-11-30 2011-04-05 D&S Consultants Method and system for image recognition using a similarity inverse matrix
US7773811B2 (en) 2006-12-06 2010-08-10 D & S Consultants, Inc. Method and system for searching a database of graphical data
CN102496163B (zh) * 2011-11-03 2013-07-17 长安大学 一种基于灰度极值的背景重构方法
US9940511B2 (en) * 2014-05-30 2018-04-10 Kofax, Inc. Machine print, hand print, and signature discrimination

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58161470A (ja) * 1982-03-18 1983-09-26 Toshiyuki Sakai 映像信号２値化方式
JPH0245892A (ja) * 1988-08-08 1990-02-15 Mitsubishi Electric Corp 文字認識方法及びその装置
US5081690A (en) 1990-05-08 1992-01-14 Eastman Kodak Company Row-by-row segmentation and thresholding for optical character recognition
US5274714A (en) * 1990-06-04 1993-12-28 Neuristics, Inc. Method and apparatus for determining and organizing feature vectors for neural network recognition
US5307424A (en) * 1990-12-12 1994-04-26 Eberhard Kuehl Character recognition system
US5987170A (en) * 1992-09-28 1999-11-16 Matsushita Electric Industrial Co., Ltd. Character recognition machine utilizing language processing
US5875264A (en) * 1993-12-03 1999-02-23 Kaman Sciences Corporation Pixel hashing image recognition system
JP3375766B2 (ja) * 1994-12-27 2003-02-10 松下電器産業株式会社 文字認識装置
US5850480A (en) * 1996-05-30 1998-12-15 Scan-Optics, Inc. OCR error correction methods and apparatus utilizing contextual comparison
US5999664A (en) * 1997-11-14 1999-12-07 Xerox Corporation System for searching a corpus of document images by user specified document layout components

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