WO2004006745A3 - System and method for performing tomosynthesis of an object - Google Patents

System and method for performing tomosynthesis of an object Download PDF

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Publication number
WO2004006745A3
WO2004006745A3 PCT/EP2003/006137 EP0306137W WO2004006745A3 WO 2004006745 A3 WO2004006745 A3 WO 2004006745A3 EP 0306137 W EP0306137 W EP 0306137W WO 2004006745 A3 WO2004006745 A3 WO 2004006745A3
Authority
WO
WIPO (PCT)
Prior art keywords
projections
performing tomosynthesis
tomosynthesis
reference object
xray
Prior art date
Application number
PCT/EP2003/006137
Other languages
German (de)
French (fr)
Other versions
WO2004006745A2 (en
Inventor
Eckhard Sperschneider
Original Assignee
Macrotron Process Technologies
Eckhard Sperschneider
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 Macrotron Process Technologies, Eckhard Sperschneider filed Critical Macrotron Process Technologies
Priority to AU2003275956A priority Critical patent/AU2003275956A1/en
Priority to PCT/EP2003/006137 priority patent/WO2004006745A2/en
Publication of WO2004006745A2 publication Critical patent/WO2004006745A2/en
Publication of WO2004006745A3 publication Critical patent/WO2004006745A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/044—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using laminography or tomosynthesis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/006—Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/40—Imaging
    • G01N2223/419—Imaging computed tomograph
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/424—Iterative

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Algebra (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mathematical Optimization (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

The invention relates to a method and a system for performing tomosynthesis of an object (O) made of a material. Said system comprises a device (XRAY) for forming projections, particularly an x-ray device which forms projections (P1(0)... P1(m)) of the object, and a computer (CC) to which a control program is assigned. In order to determine the interior space of the object (O), the projections (P1(0)...P1(m)) thereof are compared with projections (E) of a reference object, and the projections (E) of the reference object are approximated to the projections (P1(0)...P1(m)) of the object (O).
PCT/EP2003/006137 2002-06-11 2003-06-11 System and method for performing tomosynthesis of an object WO2004006745A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2003275956A AU2003275956A1 (en) 2002-06-11 2003-06-11 System and method for performing tomosynthesis of an object
PCT/EP2003/006137 WO2004006745A2 (en) 2002-06-11 2003-06-11 System and method for performing tomosynthesis of an object

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10225922.4 2002-06-11
PCT/EP2003/006137 WO2004006745A2 (en) 2002-06-11 2003-06-11 System and method for performing tomosynthesis of an object

Publications (2)

Publication Number Publication Date
WO2004006745A2 WO2004006745A2 (en) 2004-01-22
WO2004006745A3 true WO2004006745A3 (en) 2005-03-03

Family

ID=34203133

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/006137 WO2004006745A2 (en) 2002-06-11 2003-06-11 System and method for performing tomosynthesis of an object

Country Status (1)

Country Link
WO (1) WO2004006745A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005032686A1 (en) * 2005-07-06 2007-01-11 Carl Zeiss Industrielle Messtechnik Gmbh Method and device for examining a test object by means of invasive radiation
DE102005033533A1 (en) * 2005-07-14 2007-01-18 Carl Zeiss Industrielle Messtechnik Gmbh Method and device for examining a test object by means of invasive radiation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1343133A (en) * 1971-03-10 1974-01-10 Usines Balteau Sa Method of and apparatus for inspecting an object
JPH095267A (en) * 1995-06-19 1997-01-10 Ngk Spark Plug Co Ltd Humidity sensor
US6005907A (en) * 1996-05-17 1999-12-21 Sirona Dental Systems Gmbh & Co. Kg Method and apparatus for producing tomosynthesis exposures employing a reference object composed of a number of sub-objects
US6289235B1 (en) * 1998-03-05 2001-09-11 Wake Forest University Method and system for creating three-dimensional images using tomosynthetic computed tomography

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1343133A (en) * 1971-03-10 1974-01-10 Usines Balteau Sa Method of and apparatus for inspecting an object
JPH095267A (en) * 1995-06-19 1997-01-10 Ngk Spark Plug Co Ltd Humidity sensor
US6005907A (en) * 1996-05-17 1999-12-21 Sirona Dental Systems Gmbh & Co. Kg Method and apparatus for producing tomosynthesis exposures employing a reference object composed of a number of sub-objects
US6289235B1 (en) * 1998-03-05 2001-09-11 Wake Forest University Method and system for creating three-dimensional images using tomosynthetic computed tomography

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS: "Computer Tomographie (CT)", INTERNET ARTICLE, 28 April 2001 (2001-04-28), XP002311022, Retrieved from the Internet <URL:http://web.archive.org/web/20010428162124/http://www.iis.fraunhofer.de/xrt/tech/ct/index_d.html> [retrieved on 20041215] *
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 05 30 May 1997 (1997-05-30) *

Also Published As

Publication number Publication date
WO2004006745A2 (en) 2004-01-22

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