JP2003305035A - 検出器位置及び線源移動をマルチピン・ファントームに基づいて再構成較正するための方法及び装置 - Google Patents

検出器位置及び線源移動をマルチピン・ファントームに基づいて再構成較正するための方法及び装置

Info

Publication number
JP2003305035A
JP2003305035A JP2003045287A JP2003045287A JP2003305035A JP 2003305035 A JP2003305035 A JP 2003305035A JP 2003045287 A JP2003045287 A JP 2003045287A JP 2003045287 A JP2003045287 A JP 2003045287A JP 2003305035 A JP2003305035 A JP 2003305035A
Authority
JP
Japan
Prior art keywords
pin
detector
estimated
phantom
movement pattern
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.)
Withdrawn
Application number
JP2003045287A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003305035A5 (enExample
Inventor
Erik Chell
エリック・チェル
John Couch
ジョン・クーチ
Paul Magnuson
ポール・マグヌスン
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.)
GE Medical Systems Global Technology Co LLC
Original Assignee
GE Medical Systems Global Technology Co LLC
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
Priority claimed from US10/065,700 external-priority patent/US7269243B2/en
Priority claimed from US10/065,699 external-priority patent/US7006594B2/en
Application filed by GE Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Publication of JP2003305035A publication Critical patent/JP2003305035A/ja
Publication of JP2003305035A5 publication Critical patent/JP2003305035A5/ja
Withdrawn legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/58Testing, adjusting or calibrating thereof
    • A61B6/582Calibration
    • A61B6/583Calibration using calibration phantoms
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computed tomography [CT]
    • A61B6/032Transmission computed tomography [CT]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4021Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
    • A61B6/4028Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot resulting in acquisition of views from substantially different positions, e.g. EBCT
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/5205Means for monitoring or calibrating
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28Testing of electronic circuits, e.g. by signal tracer
    • G01R31/302Contactless testing
    • G01R31/305Contactless testing using electron beams

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Measurement Of Radiation (AREA)
  • Testing Or Measuring Of Semiconductors Or The Like (AREA)
JP2003045287A 2002-02-25 2003-02-24 検出器位置及び線源移動をマルチピン・ファントームに基づいて再構成較正するための方法及び装置 Withdrawn JP2003305035A (ja)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US35956202P 2002-02-25 2002-02-25
US60/359562 2002-02-25
US10/065,700 US7269243B2 (en) 2002-02-25 2002-11-11 Method and apparatus for controlling electron beam motion based on calibration information
US10/065,699 US7006594B2 (en) 2002-02-25 2002-11-11 Method and apparatus for reconstruction calibration of detector position and source motion based on a multi-pin phantom
US10/065700 2002-11-11
US10/065699 2002-11-11

Publications (2)

Publication Number Publication Date
JP2003305035A true JP2003305035A (ja) 2003-10-28
JP2003305035A5 JP2003305035A5 (enExample) 2006-04-06

Family

ID=27792088

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2003045287A Withdrawn JP2003305035A (ja) 2002-02-25 2003-02-24 検出器位置及び線源移動をマルチピン・ファントームに基づいて再構成較正するための方法及び装置
JP2003045288A Withdrawn JP2003265458A (ja) 2002-02-25 2003-02-24 較正情報に基づき電子ビーム移動を制御するための方法及び装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2003045288A Withdrawn JP2003265458A (ja) 2002-02-25 2003-02-24 較正情報に基づき電子ビーム移動を制御するための方法及び装置

Country Status (3)

Country Link
EP (2) EP1346689A3 (enExample)
JP (2) JP2003305035A (enExample)
CN (2) CN1326091C (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100403988C (zh) * 2004-04-29 2008-07-23 Ge医疗系统环球技术有限公司 X射线几何结构测定方法及x射线ct装置
DE102005007938A1 (de) * 2005-02-23 2006-08-31 Siemens Ag Vorrichtung bzw. Verfahren zum Einstellen einer relativen Verschiebestellung zweier Bauteile einer medizinischen Einrichtung
CN100381103C (zh) * 2005-03-22 2008-04-16 东软飞利浦医疗设备系统有限责任公司 一种ct机几何参数校正方法
DE102006032607B4 (de) * 2006-07-11 2011-08-25 Carl Zeiss Industrielle Messtechnik GmbH, 73447 Anordnung zur Erzeugung elektromagnetischer Strahlung und Verfahren zum Betreiben der Anordnung
US9247926B2 (en) 2010-04-14 2016-02-02 Maui Imaging, Inc. Concave ultrasound transducers and 3D arrays
WO2011103303A2 (en) 2010-02-18 2011-08-25 Maui Imaging, Inc. Point source transmission and speed-of-sound correction using mult-aperture ultrasound imaging
US9131869B2 (en) * 2010-05-11 2015-09-15 Rhythmia Medical, Inc. Tracking using field mapping
JP6407719B2 (ja) 2011-12-01 2018-10-17 マウイ イマギング,インコーポレーテッド ピングベース及び多数開口ドップラー超音波を用いた運動の検出
WO2013126559A1 (en) 2012-02-21 2013-08-29 Maui Imaging, Inc. Determining material stiffness using multiple aperture ultrasound
EP2833791B1 (en) 2012-03-26 2022-12-21 Maui Imaging, Inc. Methods for improving ultrasound image quality by applying weighting factors
IN2015DN00556A (enExample) * 2012-08-10 2015-06-26 Maui Imaging Inc
US20140064513A1 (en) 2012-09-06 2014-03-06 MUSIC Group IP Ltd. System and method for remotely controlling audio equipment
WO2015028069A1 (de) * 2013-08-29 2015-03-05 Siemens Aktiengesellschaft Computertomographie mit bewegungskompensation
US9883848B2 (en) 2013-09-13 2018-02-06 Maui Imaging, Inc. Ultrasound imaging using apparent point-source transmit transducer
EP3182900B1 (en) 2014-08-18 2019-09-25 Maui Imaging, Inc. Network-based ultrasound imaging system
US10380399B2 (en) 2015-03-30 2019-08-13 Maui Imaging, Inc. Ultrasound imaging systems and methods for detecting object motion
JP6553290B2 (ja) * 2015-09-23 2019-07-31 プリズマティック、センサーズ、アクチボラグPrismatic Sensors Ab 入射するx線の方向に対するエッジオン型x線検出器の配向の決定
EP3408037A4 (en) 2016-01-27 2019-10-23 Maui Imaging, Inc. ULTRASONIC IMAGING WITH SAFE ARRAY PROBES
CN111261313B (zh) * 2020-01-17 2021-01-05 桂林狮达技术股份有限公司 带电粒子束加工设备扫描系统校准标定方法
WO2024212134A1 (en) * 2023-04-12 2024-10-17 Shanghai United Imaging Healthcare Co., Ltd. Systems and methods for position correction of imaging planes of a multi-energy computed tomograph apparatus

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4130759A (en) * 1977-03-17 1978-12-19 Haimson Research Corporation Method and apparatus incorporating no moving parts, for producing and selectively directing x-rays to different points on an object
US4344183A (en) * 1980-04-14 1982-08-10 Radiation Measurements, Inc. Measuring tool for computer assisted tomographic scanner
US4631741A (en) * 1984-04-05 1986-12-23 Imatron, Inc. Beam spot monitoring arrangement for use in a scanning electron beam computed tomography scanner and method
JPH01185246A (ja) * 1988-01-19 1989-07-24 Toshiba Corp X線撮影装置
DE59009026D1 (de) * 1990-06-19 1995-06-08 Siemens Ag Medizinische Vorrichtung.
DE19608497C2 (de) * 1996-03-05 2002-05-02 Siemens Ag Röntgendiagnostikgerät
US5712895A (en) * 1997-01-14 1998-01-27 Picker International, Inc. Rotational digital subtraction angiography phantom
DE19703556A1 (de) * 1997-01-31 1998-08-06 Philips Patentverwaltung Verfahren und Anordnung zur Positionsbestimmung bei der Röntgenbildgebung
US5841835A (en) * 1997-03-31 1998-11-24 General Electric Company Apparatus and method for automatic monitoring and assessment of image quality in x-ray systems
US5923727A (en) * 1997-09-30 1999-07-13 Siemens Corporate Research, Inc. Method and apparatus for calibrating an intra-operative X-ray system
US6148057A (en) * 1998-11-02 2000-11-14 Analogic Corporation Apparatus and method for calibrating detectors in a computed tomography scanner
US6325539B1 (en) * 1998-12-31 2001-12-04 General Electric Company Calibration simplification for a computed tomograph system
US6292171B1 (en) * 1999-03-31 2001-09-18 Seiko Epson Corporation Method and apparatus for calibrating a computer-generated projected image
DE19926098C2 (de) * 1999-06-08 2003-05-15 Siemens Ag Röntgenaufnahmeeinrichtung

Also Published As

Publication number Publication date
CN1443512A (zh) 2003-09-24
CN100337591C (zh) 2007-09-19
CN1444182A (zh) 2003-09-24
EP1346689A2 (en) 2003-09-24
EP1346689A3 (en) 2003-12-03
JP2003265458A (ja) 2003-09-24
EP1346688A3 (en) 2003-12-03
EP1346688A2 (en) 2003-09-24
CN1326091C (zh) 2007-07-11

Similar Documents

Publication Publication Date Title
US7006594B2 (en) Method and apparatus for reconstruction calibration of detector position and source motion based on a multi-pin phantom
JP2003305035A (ja) 検出器位置及び線源移動をマルチピン・ファントームに基づいて再構成較正するための方法及び装置
US6888924B2 (en) Method, apparatus, and medium for calibration of tomosynthesis system geometry using fiducial markers with non-determined position
Beque et al. Characterization of pinhole SPECT acquisition geometry
JP5198443B2 (ja) 画像の分解能を高めるシステム及び方法
JP3698167B2 (ja) X線画像形成装置の幾何学的較正を行うための装置と、それを自動的に行う方法
US9743891B2 (en) Super-resolution tomosynthesis imaging systems and methods
US9848844B2 (en) Iterative reconstruction process
US7447295B2 (en) Method and tomography unit for the reconstruction of a tomographic display of an object
US7269243B2 (en) Method and apparatus for controlling electron beam motion based on calibration information
US6561695B2 (en) Calibration table for a cone-beam CT-apparatus
CN111728632B (zh) 射线探测装置、射线探测方法和ct图像重建方法
US7929659B2 (en) System and method for generating computed tomography images
JP2005534444A (ja) 傾斜したガントリーに対するコンピュータ断層撮影法の再構成方法
US7056020B2 (en) Alignment systems and methods for radiographic imaging systems
CN109658465B (zh) 图像重建过程中的数据处理、图像重建方法和装置
US7286631B2 (en) Method and apparatus for tomosynthesis image quality control
US12400377B2 (en) Computer-implemented method for determining at least one geometric parameter required for evaluating measurement data
JP2011212036A (ja) 放射線撮像装置
JP7746450B2 (ja) ワイヤファントムを用いたct検出器の較正のためのシステム及び方法
RU2766050C1 (ru) Система для лечения, способ калибровки и носитель информации
JP4733484B2 (ja) コンピュータ断層撮影装置
US20100232673A1 (en) Reduction of artifacts caused by movement of an x-ray tube in object reconstruction
Holt Geometric calibration of detectors with discrete irregularities for computed tomography
CN112748135A (zh) 一种外部ct扫描模式下转台旋转中心标定方法及装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060221

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060221

A761 Written withdrawal of application

Free format text: JAPANESE INTERMEDIATE CODE: A761

Effective date: 20080410