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FI20031835L - Förfarande och system för lokalisering av ett referensmärke i digitala projektionsbilder - Google Patents

Förfarande och system för lokalisering av ett referensmärke i digitala projektionsbilder Download PDF

Info

Publication number
FI20031835L
FI20031835L FI20031835A FI20031835A FI20031835L FI 20031835 L FI20031835 L FI 20031835L FI 20031835 A FI20031835 A FI 20031835A FI 20031835 A FI20031835 A FI 20031835A FI 20031835 L FI20031835 L FI 20031835L
Authority
FI
Finland
Prior art keywords
fiducial
digital projection
detecting
digital
image
Prior art date
Application number
FI20031835A
Other languages
English (en)
Finnish (fi)
Other versions
FI20031835A0 (sv
FI20031835A7 (sv
Inventor
Henri Setaelae
Original Assignee
Instrumentarium 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 Instrumentarium Corp filed Critical Instrumentarium Corp
Priority to FI20031835A priority Critical patent/FI20031835L/sv
Publication of FI20031835A0 publication Critical patent/FI20031835A0/sv
Priority to US10/876,799 priority patent/US7499576B2/en
Priority to PCT/FI2004/000762 priority patent/WO2005057494A1/en
Publication of FI20031835A7 publication Critical patent/FI20031835A7/sv
Publication of FI20031835L publication Critical patent/FI20031835L/sv

Links

Classifications

    • 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
    • G06T7/75—Determining position or orientation of objects or cameras using feature-based methods involving models
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S128/00—Surgery
    • Y10S128/92—Computer assisted medical diagnostics
    • Y10S128/922—Computer assisted medical diagnostics including image analysis

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
FI20031835A 2003-12-15 2003-12-15 Förfarande och system för lokalisering av ett referensmärke i digitala projektionsbilder FI20031835L (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI20031835A FI20031835L (sv) 2003-12-15 2003-12-15 Förfarande och system för lokalisering av ett referensmärke i digitala projektionsbilder
US10/876,799 US7499576B2 (en) 2003-12-15 2004-06-25 Method and system for detecting a fiducial in digital projection images
PCT/FI2004/000762 WO2005057494A1 (en) 2003-12-15 2004-12-14 Method and system for detecting a fiducial in digital projection images

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20031835A FI20031835L (sv) 2003-12-15 2003-12-15 Förfarande och system för lokalisering av ett referensmärke i digitala projektionsbilder

Publications (3)

Publication Number Publication Date
FI20031835A0 FI20031835A0 (sv) 2003-12-15
FI20031835A7 FI20031835A7 (sv) 2005-06-16
FI20031835L true FI20031835L (sv) 2005-06-16

Family

ID=29763530

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20031835A FI20031835L (sv) 2003-12-15 2003-12-15 Förfarande och system för lokalisering av ett referensmärke i digitala projektionsbilder

Country Status (3)

Country Link
US (1) US7499576B2 (sv)
FI (1) FI20031835L (sv)
WO (1) WO2005057494A1 (sv)

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US8176564B2 (en) 2004-11-15 2012-05-08 Microsoft Corporation Special PC mode entered upon detection of undesired state
US8464348B2 (en) 2004-11-15 2013-06-11 Microsoft Corporation Isolated computing environment anchored into CPU and motherboard
US8336085B2 (en) 2004-11-15 2012-12-18 Microsoft Corporation Tuning product policy using observed evidence of customer behavior
US20060106920A1 (en) * 2004-11-15 2006-05-18 Microsoft Corporation Method and apparatus for dynamically activating/deactivating an operating system
US8438645B2 (en) 2005-04-27 2013-05-07 Microsoft Corporation Secure clock with grace periods
US8725646B2 (en) 2005-04-15 2014-05-13 Microsoft Corporation Output protection levels
US9363481B2 (en) 2005-04-22 2016-06-07 Microsoft Technology Licensing, Llc Protected media pipeline
US9436804B2 (en) 2005-04-22 2016-09-06 Microsoft Technology Licensing, Llc Establishing a unique session key using a hardware functionality scan
US7817830B2 (en) * 2005-05-20 2010-10-19 Imaging Sciences International Llc Locating an elongated object in a three-dimensional data array
US20060265758A1 (en) 2005-05-20 2006-11-23 Microsoft Corporation Extensible media rights
US8353046B2 (en) 2005-06-08 2013-01-08 Microsoft Corporation System and method for delivery of a modular operating system
KR100723406B1 (ko) * 2005-06-20 2007-05-30 삼성전자주식회사 국부이진패턴 구별 방법을 이용한 얼굴 검증 방법 및 장치
FI120760B (sv) * 2006-05-31 2010-02-26 Palodex Group Oy Förfarande och apparatur för medicinsk röntgenavbildning
US7954071B2 (en) * 2008-10-31 2011-05-31 Synopsys, Inc. Assist feature placement based on a focus-sensitive cost-covariance field
US9082177B2 (en) * 2009-11-25 2015-07-14 Dental Imaging Technologies Corporation Method for tracking X-ray markers in serial CT projection images
US8180130B2 (en) * 2009-11-25 2012-05-15 Imaging Sciences International Llc Method for X-ray marker localization in 3D space in the presence of motion
US8363919B2 (en) * 2009-11-25 2013-01-29 Imaging Sciences International Llc Marker identification and processing in x-ray images
US9082036B2 (en) * 2009-11-25 2015-07-14 Dental Imaging Technologies Corporation Method for accurate sub-pixel localization of markers on X-ray images
US9082182B2 (en) * 2009-11-25 2015-07-14 Dental Imaging Technologies Corporation Extracting patient motion vectors from marker positions in x-ray images
US9826942B2 (en) 2009-11-25 2017-11-28 Dental Imaging Technologies Corporation Correcting and reconstructing x-ray images using patient motion vectors extracted from marker positions in x-ray images
JP5570866B2 (ja) * 2010-04-30 2014-08-13 オリンパス株式会社 画像処理装置、画像処理装置の作動方法、および画像処理プログラム
JP5620194B2 (ja) * 2010-08-24 2014-11-05 オリンパス株式会社 画像処理装置、画像処理方法、および画像処理プログラム
JP5658945B2 (ja) * 2010-08-24 2015-01-28 オリンパス株式会社 画像処理装置、画像処理装置の作動方法、および画像処理プログラム
DE102010043975B4 (de) * 2010-11-16 2021-07-29 Siemens Healthcare Gmbh Verfahren zur Reduktion der verwendeten Strahlendosis im Rahmen einer bildgebenden Röntgenuntersuchung und Computersystem
CN103177252B (zh) * 2013-03-04 2017-04-12 苏州瑞派宁科技有限公司 一种自动识别并分割位置谱的方法及装置
US9324155B2 (en) * 2014-03-10 2016-04-26 General Electric Company Systems and methods for determining parameters for image analysis
US10169909B2 (en) * 2014-08-07 2019-01-01 Pixar Generating a volumetric projection for an object
CN109636773B (zh) * 2018-10-24 2023-04-07 中国航空工业集团公司洛阳电光设备研究所 一种基于梯度相关的圆形目标检测方法
JP7373980B2 (ja) * 2019-11-29 2023-11-06 キヤノンメディカルシステムズ株式会社 Ｘ線診断装置、およびマーカ検出プログラム
CN113776676B (zh) * 2021-09-23 2024-12-03 中国航天科工集团八五一一研究所 一种基于图像曲率和梯度的红外小目标检测方法

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Also Published As

Publication number Publication date
FI20031835A0 (sv) 2003-12-15
US20050129296A1 (en) 2005-06-16
WO2005057494A1 (en) 2005-06-23
FI20031835A7 (sv) 2005-06-16
US7499576B2 (en) 2009-03-03

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