NL1000934C2 - Automatische typering van rasterbeelden onder gebruikmaking van dichtheidssegmentering. - Google Patents

Automatische typering van rasterbeelden onder gebruikmaking van dichtheidssegmentering. Download PDF

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Publication number
NL1000934C2
NL1000934C2 NL1000934A NL1000934A NL1000934C2 NL 1000934 C2 NL1000934 C2 NL 1000934C2 NL 1000934 A NL1000934 A NL 1000934A NL 1000934 A NL1000934 A NL 1000934A NL 1000934 C2 NL1000934 C2 NL 1000934C2
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Netherlands
Prior art keywords
values
value
image data
pixel
image
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Application number
NL1000934A
Other languages
English (en)
Dutch (nl)
Other versions
NL1000934A1 (nl
Inventor
Julie Tsai-Hsin Dawe
Original Assignee
Hewlett Packard Co
Priority date (The priority date 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 date listed.)
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Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of NL1000934A1 publication Critical patent/NL1000934A1/xx
Application granted granted Critical
Publication of NL1000934C2 publication Critical patent/NL1000934C2/nl

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06V30/413—Classification of content, e.g. text, photographs or tables

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  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Analysis (AREA)
NL1000934A 1994-08-12 1995-08-04 Automatische typering van rasterbeelden onder gebruikmaking van dichtheidssegmentering. NL1000934C2 (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US28971894A 1994-08-12 1994-08-12
US28971894 1994-08-12

Publications (2)

Publication Number Publication Date
NL1000934A1 NL1000934A1 (nl) 1996-02-12
NL1000934C2 true NL1000934C2 (nl) 1998-12-08

Family

ID=23112773

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1000934A NL1000934C2 (nl) 1994-08-12 1995-08-04 Automatische typering van rasterbeelden onder gebruikmaking van dichtheidssegmentering.

Country Status (3)

Country Link
US (1) US5812695A (ja)
JP (1) JP3772262B2 (ja)
NL (1) NL1000934C2 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5754708A (en) * 1994-11-16 1998-05-19 Mita Industrial Co. Ltd. Dotted image area detecting apparatus and dotted image area detecting method
JP3467171B2 (ja) * 1997-06-03 2003-11-17 ペンタックス株式会社 画像読取装置
US6115140A (en) * 1998-07-28 2000-09-05 Shira Computers Ltd. Method and system for half tone color conversion
JP2000293687A (ja) * 1999-02-02 2000-10-20 Minolta Co Ltd ３次元形状データ処理装置および３次元形状データ処理方法
US6939301B2 (en) * 2001-03-16 2005-09-06 Yaakov Abdelhak Automatic volume measurements: an application for 3D ultrasound
US7379594B2 (en) * 2004-01-28 2008-05-27 Sharp Laboratories Of America, Inc. Methods and systems for automatic detection of continuous-tone regions in document images
US20060002614A1 (en) * 2004-06-30 2006-01-05 Alliances Artquest International Inc. Raster-to-vector conversion process and apparatus
US7599556B2 (en) * 2005-08-25 2009-10-06 Joseph Stanley Czyszczewski Apparatus, system, and method for scanning segmentation
JP4196996B2 (ja) * 2006-02-15 2008-12-17 村田機械株式会社 画像形成装置及び画像形成装置の濃度制御方法
CN112807654B (zh) * 2020-12-05 2021-12-17 淮北禾获人科技有限公司 竞走比赛电子化判决平台及方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3107655A1 (de) * 1981-02-27 1982-09-16 Siemens AG, 1000 Berlin und 8000 München Verfahren zum auffinden und abgrenzen von textbereichen auf einer vorlage, die text-, graphik- und/oder bildbereiche enthalten kann
US4856075A (en) * 1987-10-05 1989-08-08 Eastman Kodak Company Image discrimination
JP2744619B2 (ja) * 1988-06-28 1998-04-28 富士通株式会社 画像処理装置
US4975972A (en) * 1988-10-18 1990-12-04 At&T Bell Laboratories Method and apparatus for surface inspection
US5202933A (en) * 1989-12-08 1993-04-13 Xerox Corporation Segmentation of text and graphics
JPH04271662A (ja) * 1991-02-27 1992-09-28 Nec Corp 画像領域判定装置
US5317419A (en) * 1991-08-07 1994-05-31 Konica Corporation Image recognition apparatus
US5443164A (en) * 1993-08-10 1995-08-22 Simco/Ramic Corporation Plastic container sorting system and method

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
CHAUVET P ET AL: "System for an intelligent office document analysis, recognition and description", SIGNAL PROCESSING, MAY 1993, NETHERLANDS, vol. 32, no. 1-2, ISSN 0165-1684, pages 161 - 190, XP000435730 *
E. G. JOHNSTON: "Printed Text Discrimination", COMPUTER GRAPHICS AND IMAGE PROCESSING, vol. 3, 1974, pages 83 - 89, XP002076158 *
POSTL W: "Halftone recognition by an experimental text and facsimile workstation", PROCEEDINGS OF THE 6TH INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION, MUNICH, WEST GERMANY, 19-22 OCT. 1982, 1982, New York, NY, USA, IEEE, USA, pages 489 - 491 vol.1, XP002076159 *

Also Published As

Publication number Publication date
JP3772262B2 (ja) 2006-05-10
US5812695A (en) 1998-09-22
NL1000934A1 (nl) 1996-02-12
JPH0879517A (ja) 1996-03-22

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Legal Events

Date Code Title Description
AD1A A request for search or an international type search has been filed
RD2N Patents in respect of which a decision has been taken or a report has been made (novelty report)

Effective date: 19981006

PD2B A search report has been drawn up
SD Assignments of patents

Owner name: HEWLETT-PACKARD COMPANY (A DELAWARE CORPORATION)

V1 Lapsed because of non-payment of the annual fee

Effective date: 20130301