FR2853827B1 - Procede de determination de facteurs d'echelle - Google Patents

Procede de determination de facteurs d'echelle

Info

Publication number
FR2853827B1
FR2853827B1 FR0304704A FR0304704A FR2853827B1 FR 2853827 B1 FR2853827 B1 FR 2853827B1 FR 0304704 A FR0304704 A FR 0304704A FR 0304704 A FR0304704 A FR 0304704A FR 2853827 B1 FR2853827 B1 FR 2853827B1
Authority
FR
France
Prior art keywords
scale factors
determining scale
determining
factors
scale
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 - Fee Related
Application number
FR0304704A
Other languages
English (en)
Other versions
FR2853827A1 (fr
Inventor
Regis Vaillant
Houdant Laurence Gavit
Jean Lienard
Francois Nicolas
Philippe Ballesio
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
Application filed by GE Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Priority to FR0304704A priority Critical patent/FR2853827B1/fr
Priority to DE200410018155 priority patent/DE102004018155A1/de
Priority to JP2004118458A priority patent/JP2004313790A/ja
Publication of FR2853827A1 publication Critical patent/FR2853827A1/fr
Application granted granted Critical
Publication of FR2853827B1 publication Critical patent/FR2853827B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/44—Constructional features of apparatus for radiation diagnosis
    • A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
    • A61B6/4435—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure
    • A61B6/4441—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure the rigid structure being a C-arm or U-arm
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/582—Calibration
    • A61B6/585—Calibration of detector units
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/588—Setting distance between source unit and detector unit
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/58—Testing, adjusting or calibrating thereof
    • A61B6/589—Setting distance between source unit and patient

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Engineering & Computer Science (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
FR0304704A 2003-04-15 2003-04-15 Procede de determination de facteurs d'echelle Expired - Fee Related FR2853827B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR0304704A FR2853827B1 (fr) 2003-04-15 2003-04-15 Procede de determination de facteurs d'echelle
DE200410018155 DE102004018155A1 (de) 2003-04-15 2004-04-08 Verfahren und Vorrichtung zum Bestimmen von Skalierungsfaktoren in Bildern
JP2004118458A JP2004313790A (ja) 2003-04-15 2004-04-14 画像の縮尺係数を決定する方法及び装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0304704A FR2853827B1 (fr) 2003-04-15 2003-04-15 Procede de determination de facteurs d'echelle

Publications (2)

Publication Number Publication Date
FR2853827A1 FR2853827A1 (fr) 2004-10-22
FR2853827B1 true FR2853827B1 (fr) 2005-06-17

Family

ID=33041882

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0304704A Expired - Fee Related FR2853827B1 (fr) 2003-04-15 2003-04-15 Procede de determination de facteurs d'echelle

Country Status (3)

Country Link
JP (1) JP2004313790A (fr)
DE (1) DE102004018155A1 (fr)
FR (1) FR2853827B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011005750B4 (de) * 2011-03-18 2012-11-15 Siemens Aktiengesellschaft Verfahren und Computertomograph zur Ermittlung des Abstandes eines Untersuchungsobjektes vom Fokus eines Computertomographen
US8848868B2 (en) * 2011-08-24 2014-09-30 Albert Davydov X-ray system and method of using thereof
CN113876341B (zh) * 2020-07-03 2023-12-19 上海西门子医疗器械有限公司 待测对象厚度测量的参数校准因子计算及厚度测量方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2631810B1 (fr) * 1988-05-24 1990-09-07 Gen Medical Merate Spa Procede de calibration numerique d'une installation de radiologie et installation de calibration numerique pour la mise en oeuvre du procede
US5251128A (en) * 1990-11-19 1993-10-05 General Electric Company Motion artifact reduction in projection imaging
US5654997A (en) * 1995-10-02 1997-08-05 General Electric Company Ultrasonic ranging system for radiation imager position control
US6249289B1 (en) * 1996-11-27 2001-06-19 Silicon Graphics, Inc. Multi-purpose high resolution distortion correction
JP2002119502A (ja) * 2000-10-17 2002-04-23 Toshiba Corp 医用装置
FR2823057B1 (fr) * 2001-03-28 2003-07-04 Ge Med Sys Global Tech Co Llc Procede de determination de facteur de grandissement d'une image radiographique notamment vasculaire

Also Published As

Publication number Publication date
DE102004018155A1 (de) 2004-10-28
FR2853827A1 (fr) 2004-10-22
JP2004313790A (ja) 2004-11-11

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20081231