AU2001294697A1 - Method of and system for improving the signal to noise characteristics of imagesfrom a digital - Google Patents

Method of and system for improving the signal to noise characteristics of imagesfrom a digital

Info

Publication number
AU2001294697A1
AU2001294697A1 AU2001294697A AU9469701A AU2001294697A1 AU 2001294697 A1 AU2001294697 A1 AU 2001294697A1 AU 2001294697 A AU2001294697 A AU 2001294697A AU 9469701 A AU9469701 A AU 9469701A AU 2001294697 A1 AU2001294697 A1 AU 2001294697A1
Authority
AU
Australia
Prior art keywords
imagesfrom
improving
digital
signal
noise characteristics
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.)
Abandoned
Application number
AU2001294697A
Inventor
James G. Coffin
Enrico Dolazza
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.)
Analogic Corp
Original Assignee
Analogic 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 Analogic Corp filed Critical Analogic Corp
Publication of AU2001294697A1 publication Critical patent/AU2001294697A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/48—Diagnostic techniques
    • A61B6/482—Diagnostic techniques involving multiple energy imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/405—Source units specially adapted to modify characteristics of the beam during the data acquisition process
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration by the use of more than one image, e.g. averaging, subtraction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computerised tomographs
    • A61B6/032—Transmission computed tomography [CT]
AU2001294697A 2000-09-29 2001-09-25 Method of and system for improving the signal to noise characteristics of imagesfrom a digital Abandoned AU2001294697A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US23694400P 2000-09-29 2000-09-29
US60236944 2000-09-29
PCT/US2001/029950 WO2002028154A1 (en) 2000-09-29 2001-09-25 Method of and system for improving the signal to noise characteristics of images from a digital

Publications (1)

Publication Number Publication Date
AU2001294697A1 true AU2001294697A1 (en) 2002-04-08

Family

ID=22891658

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001294697A Abandoned AU2001294697A1 (en) 2000-09-29 2001-09-25 Method of and system for improving the signal to noise characteristics of imagesfrom a digital

Country Status (3)

Country Link
US (1) US6678350B2 (en)
AU (1) AU2001294697A1 (en)
WO (1) WO2002028154A1 (en)

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FR2841987B1 (en) * 2002-07-05 2004-08-13 Commissariat Energie Atomique METHOD FOR MULTI-ENERGY RADIOLOGICAL EXAMINATION OF AN OBJECT
WO2006058160A2 (en) 2004-11-26 2006-06-01 Hologic, Inc. Integrated multi-mode mammography/tomosynthesis x-ray system and method
US10638994B2 (en) 2002-11-27 2020-05-05 Hologic, Inc. X-ray mammography with tomosynthesis
US7123684B2 (en) 2002-11-27 2006-10-17 Hologic, Inc. Full field mammography with tissue exposure control, tomosynthesis, and dynamic field of view processing
US7616801B2 (en) 2002-11-27 2009-11-10 Hologic, Inc. Image handling and display in x-ray mammography and tomosynthesis
FR2861283B1 (en) * 2003-10-22 2006-01-21 Diagnostic Medical Systems Dms METHOD FOR DETERMINING AT LEAST ONE GEOMETRIC CHARACTERISTIC OF AN X-RAY REPERABLE PORTION LOCATED IN A PATIENT EXAMINATION AREA
US7274771B2 (en) * 2005-05-03 2007-09-25 General Electric Company Methods and systems for controlling exposure for medical imaging devices
CA2608119A1 (en) 2005-05-11 2006-11-16 Optosecurity Inc. Method and system for screening luggage items, cargo containers or persons
US7991242B2 (en) 2005-05-11 2011-08-02 Optosecurity Inc. Apparatus, method and system for screening receptacles and persons, having image distortion correction functionality
US8155422B2 (en) * 2006-03-29 2012-04-10 Koninklijke Philips Electronics N.V. Dynamic optimization of the signal-to-noise ratio of dual-energy attenuation data for reconstructing images
ATE448529T1 (en) * 2006-03-29 2009-11-15 Koninkl Philips Electronics Nv NOISE REDUCTION IN DUAL ENERGY X-RAY IMAGING
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
US7801265B2 (en) * 2007-11-23 2010-09-21 Mayo Foundation For Medical Education And Research System and method for creating mixed image from dual-energy CT data
JP5184981B2 (en) * 2008-06-10 2013-04-17 キヤノン株式会社 X-ray image diagnostic system, image processing apparatus, and image processing method
US20090316853A1 (en) * 2008-06-24 2009-12-24 Parazzoli Claudio G Brilliant x-rays for casting inspection radiography and computed tomography
US7920674B2 (en) 2008-10-10 2011-04-05 Samsung Electronics Co., Ltd. Apparatus and method for image processing
US7773725B2 (en) * 2008-10-28 2010-08-10 The Boeing Company Multi-energy radiography using monoenergetic pulsed source
US8194820B2 (en) * 2009-02-06 2012-06-05 The Board Of Trustees Of The Leland Stanford Junior University Optimal weights for measuring spectral x-ray data
US8054939B2 (en) * 2009-07-30 2011-11-08 The Boeing Company Tangent radiography using brilliant x-ray source
US8199874B2 (en) * 2009-12-11 2012-06-12 General Electric Company System and method of mitigating low signal data for dual energy CT
PL2753920T3 (en) 2011-09-07 2018-09-28 Rapiscan Systems, Inc. X-ray inspection system that integrates manifest data with imaging/detection processing
JP6482934B2 (en) * 2014-06-03 2019-03-13 キヤノンメディカルシステムズ株式会社 Image processing apparatus, radiation detection apparatus, and image processing method
CN106796733B (en) 2014-10-13 2021-05-25 皇家飞利浦有限公司 Noise reduction for spectral imaging
CN116309260A (en) 2016-02-22 2023-06-23 拉皮斯坎系统股份有限公司 Method for evaluating average pallet size and density of goods
US11076820B2 (en) 2016-04-22 2021-08-03 Hologic, Inc. Tomosynthesis with shifting focal spot x-ray system using an addressable array
EP3668404B1 (en) 2017-08-16 2022-07-06 Hologic, Inc. Techniques for breast imaging patient motion artifact compensation
EP3449835B1 (en) * 2017-08-22 2023-01-11 Hologic, Inc. Computed tomography system and method for imaging multiple anatomical targets
US11090017B2 (en) 2018-09-13 2021-08-17 Hologic, Inc. Generating synthesized projection images for 3D breast tomosynthesis or multi-mode x-ray breast imaging
EP3629283A1 (en) 2018-09-28 2020-04-01 Siemens Healthcare GmbH Generation of a mixed image data set
EP3832689A3 (en) 2019-12-05 2021-08-11 Hologic, Inc. Systems and methods for improved x-ray tube life
US11471118B2 (en) 2020-03-27 2022-10-18 Hologic, Inc. System and method for tracking x-ray tube focal spot position
US11786191B2 (en) 2021-05-17 2023-10-17 Hologic, Inc. Contrast-enhanced tomosynthesis with a copper filter

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US4789930A (en) * 1985-11-15 1988-12-06 Picker International, Inc. Energy dependent gain correction for radiation detection
US4868857A (en) * 1987-10-30 1989-09-19 Duke University Variable compensation method and apparatus for radiological images
US5933540A (en) 1995-05-11 1999-08-03 General Electric Company Filter system and method for efficiently suppressing noise and improving edge definition in a digitized image
US6052433A (en) * 1995-12-29 2000-04-18 Advanced Optical Technologies, Inc. Apparatus and method for dual-energy x-ray imaging
US6408050B1 (en) * 2000-09-14 2002-06-18 Ge Medical Systems Global Technology Company, Llc X-ray detector and method for tissue specific image

Also Published As

Publication number Publication date
US6678350B2 (en) 2004-01-13
WO2002028154A1 (en) 2002-04-04
US20020094062A1 (en) 2002-07-18

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