FR2507419B1 - METHOD AND DEVICE FOR EXTRACTING CONTOURS OF OBJECTS USING A VIDEO CAMERA - Google Patents

METHOD AND DEVICE FOR EXTRACTING CONTOURS OF OBJECTS USING A VIDEO CAMERA

Info

Publication number
FR2507419B1
FR2507419B1 FR8111467A FR8111467A FR2507419B1 FR 2507419 B1 FR2507419 B1 FR 2507419B1 FR 8111467 A FR8111467 A FR 8111467A FR 8111467 A FR8111467 A FR 8111467A FR 2507419 B1 FR2507419 B1 FR 2507419B1
Authority
FR
France
Prior art keywords
objects
video camera
extracting contours
contours
extracting
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
Application number
FR8111467A
Other languages
French (fr)
Other versions
FR2507419A1 (en
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.)
Centre National de la Recherche Scientifique CNRS
Original Assignee
Centre National de la Recherche Scientifique CNRS
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 Centre National de la Recherche Scientifique CNRS filed Critical Centre National de la Recherche Scientifique CNRS
Priority to FR8111467A priority Critical patent/FR2507419B1/en
Publication of FR2507419A1 publication Critical patent/FR2507419A1/en
Application granted granted Critical
Publication of FR2507419B1 publication Critical patent/FR2507419B1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/20—Contour coding, e.g. using detection of edges
    • 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
    • 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
    • G06V10/46—Descriptors for shape, contour or point-related descriptors, e.g. scale invariant feature transform [SIFT] or bags of words [BoW]; Salient regional features
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Image Analysis (AREA)
FR8111467A 1981-06-09 1981-06-09 METHOD AND DEVICE FOR EXTRACTING CONTOURS OF OBJECTS USING A VIDEO CAMERA Expired FR2507419B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8111467A FR2507419B1 (en) 1981-06-09 1981-06-09 METHOD AND DEVICE FOR EXTRACTING CONTOURS OF OBJECTS USING A VIDEO CAMERA

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8111467A FR2507419B1 (en) 1981-06-09 1981-06-09 METHOD AND DEVICE FOR EXTRACTING CONTOURS OF OBJECTS USING A VIDEO CAMERA

Publications (2)

Publication Number Publication Date
FR2507419A1 FR2507419A1 (en) 1982-12-10
FR2507419B1 true FR2507419B1 (en) 1985-10-04

Family

ID=9259380

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8111467A Expired FR2507419B1 (en) 1981-06-09 1981-06-09 METHOD AND DEVICE FOR EXTRACTING CONTOURS OF OBJECTS USING A VIDEO CAMERA

Country Status (1)

Country Link
FR (1) FR2507419B1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4656507A (en) * 1984-04-10 1987-04-07 Motion Analysis Systems, Inc. Quad-edge video signal detector
JPS6140684A (en) * 1984-07-31 1986-02-26 Omron Tateisi Electronics Co Contour tracking device
FR2582426B1 (en) 1985-05-22 1987-07-24 Telemecanique Electrique METHOD AND DEVICE FOR IDENTIFYING THE CLOSED CONTOURS OF OBJECTS PLACED ON A SURFACE
EP0215975A1 (en) * 1985-09-25 1987-04-01 Maurer Electronics Gmbh Method and apparatus for the storage and reproduction of graphic patterns, especially signatures
EP0282972B1 (en) * 1987-03-16 1995-12-27 Kabushiki Kaisha Meidensha Image contour detecting apparatus
US6356656B1 (en) 1994-06-17 2002-03-12 Canon Kabushiki Kaisha Contour-information extraction apparatus and method

Also Published As

Publication number Publication date
FR2507419A1 (en) 1982-12-10

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Legal Events

Date Code Title Description
ST Notification of lapse
ST Notification of lapse