ATE403194T1 - System und verfahren zum analysieren einer bildkontur mittels bearbeitung durch einen sobel- operator - Google Patents

System und verfahren zum analysieren einer bildkontur mittels bearbeitung durch einen sobel- operator

Info

Publication number
ATE403194T1
ATE403194T1 AT03253013T AT03253013T ATE403194T1 AT E403194 T1 ATE403194 T1 AT E403194T1 AT 03253013 T AT03253013 T AT 03253013T AT 03253013 T AT03253013 T AT 03253013T AT E403194 T1 ATE403194 T1 AT E403194T1
Authority
AT
Austria
Prior art keywords
array
gradient
image
analyzing
gradient directions
Prior art date
Application number
AT03253013T
Other languages
English (en)
Inventor
Walter D Clark
Omar Aboutalib
Liya Su
Original Assignee
Northrop Grumman Corp
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 Northrop Grumman Corp filed Critical Northrop Grumman Corp
Application granted granted Critical
Publication of ATE403194T1 publication Critical patent/ATE403194T1/de

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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 OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10048—Infrared image
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20112—Image segmentation details
    • G06T2207/20132—Image cropping

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
AT03253013T 2002-07-10 2003-05-15 System und verfahren zum analysieren einer bildkontur mittels bearbeitung durch einen sobel- operator ATE403194T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/193,413 US7116823B2 (en) 2002-07-10 2002-07-10 System and method for analyzing a contour of an image by applying a Sobel operator thereto

Publications (1)

Publication Number Publication Date
ATE403194T1 true ATE403194T1 (de) 2008-08-15

Family

ID=29735329

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03253013T ATE403194T1 (de) 2002-07-10 2003-05-15 System und verfahren zum analysieren einer bildkontur mittels bearbeitung durch einen sobel- operator

Country Status (5)

Country Link
US (1) US7116823B2 (de)
EP (1) EP1380986B1 (de)
AT (1) ATE403194T1 (de)
DE (1) DE60322474D1 (de)
IL (1) IL156221A (de)

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Also Published As

Publication number Publication date
DE60322474D1 (de) 2008-09-11
EP1380986A3 (de) 2005-02-09
IL156221A (en) 2007-07-04
EP1380986B1 (de) 2008-07-30
IL156221A0 (en) 2003-12-23
US20050002570A1 (en) 2005-01-06
EP1380986A2 (de) 2004-01-14
US7116823B2 (en) 2006-10-03

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