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

Info

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
Authority
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
Other languages
English (en)
Other versions
CA2307439A1 (fr
Inventor
Alain Bergeron
Michel Doucet
Donald Prevost
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.)
Institut National dOptique
Original Assignee
Institut National dOptique
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 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

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/60—Analysis of geometric attributes
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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)

Country Link
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 (13)

* 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
US10422919B2 (en) 2011-09-07 2019-09-24 Rapiscan Systems, Inc. X-ray inspection system that integrates manifest data with imaging/detection processing
US9632206B2 (en) 2011-09-07 2017-04-25 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
US12174334B2 (en) 2011-09-07 2024-12-24 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

Similar Documents

Publication Publication Date Title
US6549683B1 (en) Method and apparatus for evaluating a scale factor and a rotation angle in image processing
CN110555889B (zh) 一种基于CALTag和点云信息的深度相机手眼标定方法
Crispin et al. Automated inspection of PCB components using a genetic algorithm template-matching approach
David et al. Softposit: Simultaneous pose and correspondence determination
JP3049094B2 (ja) 非接触署名画像化方法および装置
CA2013378C (fr) Methode pour determiner l'orientation d'un objet au moyen d'un reseau neural a couplage vers l'avant
Ikeuchi et al. Determining grasp configurations using photometric stereo and the prism binocular stereo system
CN101589408A (zh) 标记生成及标记检测的系统、方法和程序
JP2012523598A (ja) ２次元シンボルコードおよびそのシンボルコードを読取るための方法
EP1904952A2 (fr) Configurations et procedes de recherche efficaces pour application a des problemes de vision artificielle en deux dimensions
JPS62269279A (ja) パタ−ン認識システム
CN107038443B (zh) 一种在电路板上定位感兴趣区域的方法和装置
CA2307439C (fr) Methode et appareil d'evaluation d'un facteur d'echelle et d'un angle de rotation dans le traitement des images
CN116021519A (zh) 一种基于tof相机采摘机器人手眼标定方法以及装置
CN112464753A (zh) 图像中关键点的检测方法、检测装置及终端设备
CN117809115A (zh) Smt贴片错件检测方法、装置及视觉检测系统
EP0356727A2 (fr) Mesure de position de cible basée sur la symétrie
EP1152371A2 (fr) Procédé et dispositif d'évaluation d'un facteur d'échelle et d'un angle de rotation en traitement d'image
CN120259629A (zh) 图像处理方法、装置、设备、可读存储介质和程序产品
CN117173681B (zh) 一种基于深度学习的航空维修工具识别抓取方法及系统
CN111914857B (zh) 板材余料的排样方法、装置、系统、电子设备及存储介质
CN111914856B (zh) 板材余料的排样方法、装置、系统、电子设备及存储介质
CN114332726A (zh) 对象识别方法、装置、设备及存储介质
JP2850807B2 (ja) 検査データ作成装置
CN119722804B (zh) 目标插槽识别方法、装置、设备、介质及产品

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20200502