DE69312257T2 - Strahlungsfelderkennungsverfahren - Google Patents

Strahlungsfelderkennungsverfahren

Info

Publication number
DE69312257T2
DE69312257T2 DE69312257T DE69312257T DE69312257T2 DE 69312257 T2 DE69312257 T2 DE 69312257T2 DE 69312257 T DE69312257 T DE 69312257T DE 69312257 T DE69312257 T DE 69312257T DE 69312257 T2 DE69312257 T2 DE 69312257T2
Authority
DE
Germany
Prior art keywords
detection method
field detection
radiation field
radiation
field
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
DE69312257T
Other languages
English (en)
Other versions
DE69312257D1 (de
Inventor
Michael Ibison
Pieter Vuylsteke
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.)
Agfa HealthCare NV
Original Assignee
Agfa Gevaert NV
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 Agfa Gevaert NV filed Critical Agfa Gevaert NV
Publication of DE69312257D1 publication Critical patent/DE69312257D1/de
Application granted granted Critical
Publication of DE69312257T2 publication Critical patent/DE69312257T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G06T7/194—Segmentation; Edge detection involving foreground-background segmentation
    • 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
    • G06T2207/10116—X-ray image
    • 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
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing
DE69312257T 1993-02-11 1993-02-11 Strahlungsfelderkennungsverfahren Expired - Lifetime DE69312257T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP93200376A EP0610605B1 (de) 1993-02-11 1993-02-11 Strahlungsfelderkennungsverfahren

Publications (2)

Publication Number Publication Date
DE69312257D1 DE69312257D1 (de) 1997-08-21
DE69312257T2 true DE69312257T2 (de) 1998-01-29

Family

ID=8213630

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69312257T Expired - Lifetime DE69312257T2 (de) 1993-02-11 1993-02-11 Strahlungsfelderkennungsverfahren

Country Status (4)

Country Link
US (1) US5506913A (de)
EP (1) EP0610605B1 (de)
JP (1) JP3243110B2 (de)
DE (1) DE69312257T2 (de)

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EP0742536B1 (de) * 1995-05-11 2000-09-13 Agfa-Gevaert N.V. Bestrahlungsfeldererkennungsverfahren
US5892840A (en) * 1996-02-29 1999-04-06 Eastman Kodak Company Method and apparatus for irradiation field detection in digital radiographic images
JPH09329527A (ja) * 1996-04-08 1997-12-22 Advantest Corp 画像処理方法および画像処理装置
US5815591A (en) * 1996-07-10 1998-09-29 R2 Technology, Inc. Method and apparatus for fast detection of spiculated lesions in digital mammograms
US5901240A (en) * 1996-12-12 1999-05-04 Eastman Kodak Company Method for detecting the collimation field in a digital radiography
US6212291B1 (en) 1998-01-29 2001-04-03 Eastman Kodak Company Method for recognizing multiple irradiation fields in digital radiography
WO1999057683A1 (en) * 1998-05-04 1999-11-11 The Johns Hopkins University Method and apparatus for segmenting small structures in images
JP4112762B2 (ja) * 1999-10-05 2008-07-02 株式会社東芝 画像処理装置およびｘ線診断装置
JP4393016B2 (ja) * 2000-06-30 2010-01-06 株式会社日立メディコ 画像診断支援装置
JP4124406B2 (ja) * 2001-06-13 2008-07-23 富士フイルム株式会社 異常陰影検出装置
US6934413B2 (en) * 2001-06-25 2005-08-23 International Business Machines Corporation Segmentation of text lines in digitized images
US7123761B2 (en) * 2001-11-20 2006-10-17 Konica Corporation Feature extracting method, subject recognizing method and image processing apparatus
US7391895B2 (en) 2003-07-24 2008-06-24 Carestream Health, Inc. Method of segmenting a radiographic image into diagnostically relevant and diagnostically irrelevant regions
WO2005086079A1 (en) * 2004-03-02 2005-09-15 Sarnoff Corporation Method and apparatus for differentiating pedestrians, vehicles, and other objects
DE502004004942D1 (de) * 2004-05-04 2007-10-25 Agfa Gevaert Healthcare Gmbh Verfahren zur Erfassung und Darstellung eines in einer Phosphorschicht gespeicherten Röntgenbildes
US8014625B2 (en) 2004-11-10 2011-09-06 Agfa Healthcare Method of performing measurements on digital images
EP1657681B1 (de) 2004-11-10 2009-01-21 Agfa HealthCare NV Verfahren zum Durchführen von Messungen auf digitalen Bildern
FR2887061B1 (fr) * 2005-06-08 2007-08-17 Sagem Procede d'analyse d'une presence dans un espace
CA2668297C (en) * 2006-09-19 2017-10-24 Cedara Software Corp. System and method for shutter detection
US7747079B2 (en) * 2006-09-27 2010-06-29 Tandent Vision Science, Inc. Method and system for learning spatio-spectral features in an image
US7894662B2 (en) * 2006-10-11 2011-02-22 Tandent Vision Science, Inc. Method for using image depth information in identifying illumination fields
EP1916624B1 (de) 2006-10-25 2016-11-23 Agfa HealthCare NV Verfahren zur Segmentierung eines digitalen medizinischen Bildes
US7844127B2 (en) * 2007-03-30 2010-11-30 Eastman Kodak Company Edge mapping using panchromatic pixels
US20090060372A1 (en) * 2007-08-27 2009-03-05 Riverain Medical Group, Llc Object removal from images
EP2188774B1 (de) 2007-09-19 2019-04-17 Thomson Licensing System und verfahren zum skalieren von bildern
JP4908440B2 (ja) * 2008-03-06 2012-04-04 株式会社東芝 画像処理装置及び方法
WO2009124130A1 (en) * 2008-04-01 2009-10-08 Infimed, Inc. Multi-pass edge detection of collimator blades in digital radiography images
EP2131325B1 (de) 2008-05-08 2013-01-30 Agfa Healthcare Verfahren für Nachweis und Segmentierung von Massekandidaten bei digitaler Mammografie
JP5610761B2 (ja) 2009-12-16 2014-10-22 キヤノン株式会社 Ｘ線画像処理装置、ｘ線画像処理システム、ｘ線画像処理方法、及びコンピュータプログラム
US9485495B2 (en) 2010-08-09 2016-11-01 Qualcomm Incorporated Autofocus for stereo images
EP2500864B1 (de) 2011-03-15 2020-05-06 Agfa Nv Bestrahlungsfeld-Erkennung
US9438889B2 (en) 2011-09-21 2016-09-06 Qualcomm Incorporated System and method for improving methods of manufacturing stereoscopic image sensors
JP5822664B2 (ja) 2011-11-11 2015-11-24 株式会社Pfu 画像処理装置、直線検出方法及びコンピュータプログラム
JP5854774B2 (ja) * 2011-11-11 2016-02-09 株式会社Pfu 画像処理装置、直線検出方法及びコンピュータプログラム
JP5871571B2 (ja) 2011-11-11 2016-03-01 株式会社Pfu 画像処理装置、矩形検出方法及びコンピュータプログラム
US9398264B2 (en) 2012-10-19 2016-07-19 Qualcomm Incorporated Multi-camera system using folded optics
US20140264078A1 (en) * 2013-03-12 2014-09-18 Agfa Healthcare Nv Radiation Image Read-Out and Cropping System
US10178373B2 (en) 2013-08-16 2019-01-08 Qualcomm Incorporated Stereo yaw correction using autofocus feedback
US9383550B2 (en) 2014-04-04 2016-07-05 Qualcomm Incorporated Auto-focus in low-profile folded optics multi-camera system
US9374516B2 (en) 2014-04-04 2016-06-21 Qualcomm Incorporated Auto-focus in low-profile folded optics multi-camera system
US10013764B2 (en) 2014-06-19 2018-07-03 Qualcomm Incorporated Local adaptive histogram equalization
US9549107B2 (en) 2014-06-20 2017-01-17 Qualcomm Incorporated Autofocus for folded optic array cameras
US9541740B2 (en) 2014-06-20 2017-01-10 Qualcomm Incorporated Folded optic array camera using refractive prisms
US9819863B2 (en) 2014-06-20 2017-11-14 Qualcomm Incorporated Wide field of view array camera for hemispheric and spherical imaging
US9294672B2 (en) 2014-06-20 2016-03-22 Qualcomm Incorporated Multi-camera system using folded optics free from parallax and tilt artifacts
US9386222B2 (en) 2014-06-20 2016-07-05 Qualcomm Incorporated Multi-camera system using folded optics free from parallax artifacts
US9256939B1 (en) 2014-07-17 2016-02-09 Agfa Healthcare System and method for aligning mammography images
US9832381B2 (en) 2014-10-31 2017-11-28 Qualcomm Incorporated Optical image stabilization for thin cameras

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DE163885C (de) *
US4952807A (en) * 1985-01-24 1990-08-28 Fuji Photo Film Co., Ltd. Method of adjusting radiation image read-out conditions and image processing conditions
JPS6239842A (ja) * 1985-08-15 1987-02-20 Fuji Photo Film Co Ltd 放射線画像情報読取方法
US4970393A (en) * 1986-11-25 1990-11-13 Fuji Photo Film Co., Ltd. Irradiation field recognizing method, and method of adjusting image processing conditions using the same
US4952805A (en) * 1987-08-20 1990-08-28 Fuji Photo Film Co., Ltd. Method of judging the presence or absence of a limited irradiation field, method of selecting a correct irradiation field, and method of judging correctness or incorrectness of an irradiation field
US4992663A (en) * 1988-03-19 1991-02-12 Fuji Photo Film Co., Ltd. Method of judging the correctness or incorrectness of a prospective contour point of an irradiation field
EP0544644B1 (de) * 1988-04-20 2000-02-23 Fuji Photo Film Co., Ltd. Verfahren zur Beurteilung, ob ein potentieller Konturpunkt eines Strahlenfeldes ein tatsächlicher Konturpunkt ist
US5170440A (en) * 1991-01-30 1992-12-08 Nec Research Institute, Inc. Perceptual grouping by multiple hypothesis probabilistic data association
US5265173A (en) * 1991-03-20 1993-11-23 Hughes Aircraft Company Rectilinear object image matcher

Also Published As

Publication number Publication date
DE69312257D1 (de) 1997-08-21
JPH06251127A (ja) 1994-09-09
JP3243110B2 (ja) 2002-01-07
EP0610605B1 (de) 1997-07-16
US5506913A (en) 1996-04-09
EP0610605A1 (de) 1994-08-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8327 Change in the person/name/address of the patent owner

Owner name: AGFA HEALTHCARE NV, MORTSEL, BE