FR2836738B1 - Commande automatique d'exposition pour un systeme d'acquisition d'images numeriques - Google Patents

Commande automatique d'exposition pour un systeme d'acquisition d'images numeriques

Info

Publication number
FR2836738B1
FR2836738B1 FR0302497A FR0302497A FR2836738B1 FR 2836738 B1 FR2836738 B1 FR 2836738B1 FR 0302497 A FR0302497 A FR 0302497A FR 0302497 A FR0302497 A FR 0302497A FR 2836738 B1 FR2836738 B1 FR 2836738B1
Authority
FR
France
Prior art keywords
digital images
exposure control
automatic exposure
acquiring digital
acquiring
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
FR0302497A
Other languages
English (en)
French (fr)
Other versions
FR2836738A1 (fr
Inventor
Kenneth Scott Kump
Francois Serge Nicolas
Christopher David Unger
Mtthew J Walker
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
Publication of FR2836738A1 publication Critical patent/FR2836738A1/fr
Application granted granted Critical
Publication of FR2836738B1 publication Critical patent/FR2836738B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • A61B6/48Diagnostic techniques
    • A61B6/488Diagnostic techniques involving pre-scan acquisition
    • 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
    • A61B6/54Control of apparatus or devices for radiation diagnosis
    • A61B6/542Control of apparatus or devices for radiation diagnosis involving control of exposure
    • A61B6/544Control of apparatus or devices for radiation diagnosis involving control of exposure dependent on patient size
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/10Segmentation; Edge detection
    • G06T7/11Region-based segmentation
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/10Image acquisition modality
    • G06T2207/10116X-ray image
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/10Image acquisition modality
    • G06T2207/10141Special mode during image acquisition
    • G06T2207/10144Varying exposure
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/20Special algorithmic details
    • G06T2207/20021Dividing image into blocks, subimages or windows
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/20Special algorithmic details
    • G06T2207/20092Interactive image processing based on input by user
    • G06T2207/20104Interactive definition of region of interest [ROI]
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/30Subject of image; Context of image processing
    • G06T2207/30004Biomedical image processing

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Public Health (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
FR0302497A 2002-03-04 2003-02-28 Commande automatique d'exposition pour un systeme d'acquisition d'images numeriques Expired - Fee Related FR2836738B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/683,927 US6795526B2 (en) 2002-03-04 2002-03-04 Automatic exposure control for a digital image acquisition system

Publications (2)

Publication Number Publication Date
FR2836738A1 FR2836738A1 (fr) 2003-09-05
FR2836738B1 true FR2836738B1 (fr) 2010-12-17

Family

ID=27766467

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0302497A Expired - Fee Related FR2836738B1 (fr) 2002-03-04 2003-02-28 Commande automatique d'exposition pour un systeme d'acquisition d'images numeriques

Country Status (4)

Country Link
US (1) US6795526B2 (enExample)
JP (1) JP2003284708A (enExample)
DE (1) DE10309268A1 (enExample)
FR (1) FR2836738B1 (enExample)

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DE102005003225A1 (de) * 2005-01-24 2006-07-27 Siemens Ag Verfahren und Einrichtung zum Erzeugen eines Röntgenbildes
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DE102005022899A1 (de) * 2005-05-18 2006-11-23 Siemens Ag Verfahren und Einrichtung zum Erzeugen eines digitalen tomosynthetischen 3D-Röntgenbildes von einem Untersuchungsobjekt
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Also Published As

Publication number Publication date
JP2003284708A (ja) 2003-10-07
US20030165216A1 (en) 2003-09-04
FR2836738A1 (fr) 2003-09-05
US6795526B2 (en) 2004-09-21
DE10309268A1 (de) 2003-09-18

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Year of fee payment: 13

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Effective date: 20161028