DE69228741D1 - Verfahren zur bestimmung der lokalen orientierung eines kontursegmentes und zur bestimmung von linien und ecken - Google Patents

Verfahren zur bestimmung der lokalen orientierung eines kontursegmentes und zur bestimmung von linien und ecken

Info

Publication number
DE69228741D1
DE69228741D1 DE69228741T DE69228741T DE69228741D1 DE 69228741 D1 DE69228741 D1 DE 69228741D1 DE 69228741 T DE69228741 T DE 69228741T DE 69228741 T DE69228741 T DE 69228741T DE 69228741 D1 DE69228741 D1 DE 69228741D1
Authority
DE
Germany
Prior art keywords
determining
corners
lines
contour segment
local orientation
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.)
Expired - Fee Related
Application number
DE69228741T
Other languages
English (en)
Other versions
DE69228741T2 (de
Inventor
Shinji Kanda
Jun Wakitani
Tsugito Maruyama
Toshihiko Morita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69228741D1 publication Critical patent/DE69228741D1/de
Publication of DE69228741T2 publication Critical patent/DE69228741T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/12—Edge-based segmentation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/13—Edge detection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/70—Determining position or orientation of objects or cameras
    • G06T7/73—Determining position or orientation of objects or cameras using feature-based methods
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/44—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
    • G06V10/443—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components by matching or filtering
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/48—Extraction of image or video features by mapping characteristic values of the pattern into a parameter space, e.g. Hough transformation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • Image Analysis (AREA)
DE69228741T 1991-10-02 1992-10-02 Verfahren zur bestimmung der lokalen orientierung eines kontursegmentes und zur bestimmung von linien und ecken Expired - Fee Related DE69228741T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP25535391 1991-10-02
JP9299692 1992-04-13
PCT/JP1992/001277 WO1993007580A1 (fr) 1991-10-02 1992-10-02 Procede pour determiner la direction dans une region locale d'un segment de profil et procede pour determiner les lignes et les angles

Publications (2)

Publication Number Publication Date
DE69228741D1 true DE69228741D1 (de) 1999-04-29
DE69228741T2 DE69228741T2 (de) 1999-09-02

Family

ID=26434361

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69228741T Expired - Fee Related DE69228741T2 (de) 1991-10-02 1992-10-02 Verfahren zur bestimmung der lokalen orientierung eines kontursegmentes und zur bestimmung von linien und ecken

Country Status (6)

Country Link
US (3) US5586199A (de)
EP (1) EP0559919B1 (de)
JP (1) JP3387499B2 (de)
CA (1) CA2097492C (de)
DE (1) DE69228741T2 (de)
WO (1) WO1993007580A1 (de)

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CN102202142B (zh) * 2010-03-26 2014-04-30 鸿富锦精密工业（深圳）有限公司 毛刺检测装置及毛刺检测方法
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Also Published As

Publication number Publication date
EP0559919A1 (de) 1993-09-15
CA2097492C (en) 1999-05-18
JP3387499B2 (ja) 2003-03-17
WO1993007580A1 (fr) 1993-04-15
CA2097492A1 (en) 1993-04-03
DE69228741T2 (de) 1999-09-02
US5586199A (en) 1996-12-17
EP0559919A4 (de) 1994-02-23
US5668893A (en) 1997-09-16
US5870494A (en) 1999-02-09
EP0559919B1 (de) 1999-03-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee