CA2307439C - Methode et appareil d'evaluation d'un facteur d'echelle et d'un angle de rotation dans le traitement des images - Google Patents

Methode et appareil d'evaluation d'un facteur d'echelle et d'un angle de rotation dans le traitement des images Download PDF

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Publication number
CA2307439C
CA2307439C CA002307439A CA2307439A CA2307439C CA 2307439 C CA2307439 C CA 2307439C CA 002307439 A CA002307439 A CA 002307439A CA 2307439 A CA2307439 A CA 2307439A CA 2307439 C CA2307439 C CA 2307439C
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CA
Canada
Prior art keywords
image
scaled
images
mosaic
reference template
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 - Lifetime
Application number
CA002307439A
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English (en)
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CA2307439A1 (fr
Inventor
Alain Bergeron
Michel Doucet
Donald Prevost
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Institut National dOptique
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Institut National dOptique
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Publication date
Application filed by Institut National dOptique filed Critical Institut National dOptique
Priority to CA002307439A priority Critical patent/CA2307439C/fr
Priority to EP01401076A priority patent/EP1152371A3/fr
Publication of CA2307439A1 publication Critical patent/CA2307439A1/fr
Application granted granted Critical
Publication of CA2307439C publication Critical patent/CA2307439C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/60—Analysis of geometric attributes
    • 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
    • G06T7/74—Determining position or orientation of objects or cameras using feature-based methods involving reference images or patches
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/88—Image or video recognition using optical means, e.g. reference filters, holographic masks, frequency domain filters or spatial domain filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • Geometry (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
CA002307439A 2000-05-02 2000-05-02 Methode et appareil d'evaluation d'un facteur d'echelle et d'un angle de rotation dans le traitement des images Expired - Lifetime CA2307439C (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA002307439A CA2307439C (fr) 2000-05-02 2000-05-02 Methode et appareil d'evaluation d'un facteur d'echelle et d'un angle de rotation dans le traitement des images
EP01401076A EP1152371A3 (fr) 2000-05-02 2001-04-26 Procédé et dispositif d'évaluation d'un facteur d'échelle et d'un angle de rotation en traitement d'image

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002307439A CA2307439C (fr) 2000-05-02 2000-05-02 Methode et appareil d'evaluation d'un facteur d'echelle et d'un angle de rotation dans le traitement des images

Publications (2)

Publication Number Publication Date
CA2307439A1 CA2307439A1 (fr) 2001-11-02
CA2307439C true CA2307439C (fr) 2008-07-08

Family

ID=4166065

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002307439A Expired - Lifetime CA2307439C (fr) 2000-05-02 2000-05-02 Methode et appareil d'evaluation d'un facteur d'echelle et d'un angle de rotation dans le traitement des images

Country Status (1)

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CA (1) CA2307439C (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7734102B2 (en) 2005-05-11 2010-06-08 Optosecurity Inc. Method and system for screening cargo containers
US7899232B2 (en) 2006-05-11 2011-03-01 Optosecurity Inc. Method and apparatus for providing threat image projection (TIP) in a luggage screening system, and luggage screening system implementing same
US7991242B2 (en) 2005-05-11 2011-08-02 Optosecurity Inc. Apparatus, method and system for screening receptacles and persons, having image distortion correction functionality
US8494210B2 (en) 2007-03-30 2013-07-23 Optosecurity Inc. User interface for use in security screening providing image enhancement capabilities and apparatus for implementing same
US9632206B2 (en) 2011-09-07 2017-04-25 Rapiscan Systems, Inc. X-ray inspection system that integrates manifest data with imaging/detection processing
US10302807B2 (en) 2016-02-22 2019-05-28 Rapiscan Systems, Inc. Systems and methods for detecting threats and contraband in cargo

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110321908A (zh) * 2018-03-29 2019-10-11 华为技术有限公司 图像识别方法、终端设备及计算机可读存储介质
CN112184764A (zh) * 2020-09-10 2021-01-05 太原理工大学 一种基于傅里叶-梅林变换的目标跟踪方法

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7734102B2 (en) 2005-05-11 2010-06-08 Optosecurity Inc. Method and system for screening cargo containers
US7991242B2 (en) 2005-05-11 2011-08-02 Optosecurity Inc. Apparatus, method and system for screening receptacles and persons, having image distortion correction functionality
US7899232B2 (en) 2006-05-11 2011-03-01 Optosecurity Inc. Method and apparatus for providing threat image projection (TIP) in a luggage screening system, and luggage screening system implementing same
US8494210B2 (en) 2007-03-30 2013-07-23 Optosecurity Inc. User interface for use in security screening providing image enhancement capabilities and apparatus for implementing same
US9632206B2 (en) 2011-09-07 2017-04-25 Rapiscan Systems, Inc. X-ray inspection system that integrates manifest data with imaging/detection processing
US10422919B2 (en) 2011-09-07 2019-09-24 Rapiscan Systems, Inc. X-ray inspection system that integrates manifest data with imaging/detection processing
US10509142B2 (en) 2011-09-07 2019-12-17 Rapiscan Systems, Inc. Distributed analysis x-ray inspection methods and systems
US10830920B2 (en) 2011-09-07 2020-11-10 Rapiscan Systems, Inc. Distributed analysis X-ray inspection methods and systems
US11099294B2 (en) 2011-09-07 2021-08-24 Rapiscan Systems, Inc. Distributed analysis x-ray inspection methods and systems
US10302807B2 (en) 2016-02-22 2019-05-28 Rapiscan Systems, Inc. Systems and methods for detecting threats and contraband in cargo
US10768338B2 (en) 2016-02-22 2020-09-08 Rapiscan Systems, Inc. Systems and methods for detecting threats and contraband in cargo
US11287391B2 (en) 2016-02-22 2022-03-29 Rapiscan Systems, Inc. Systems and methods for detecting threats and contraband in cargo

Also Published As

Publication number Publication date
CA2307439A1 (fr) 2001-11-02

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