JPS63133760A - 照射野認識方法および画像処理条件決定方法 - Google Patents

照射野認識方法および画像処理条件決定方法

Info

Publication number
JPS63133760A
JPS63133760A JP61280117A JP28011786A JPS63133760A JP S63133760 A JPS63133760 A JP S63133760A JP 61280117 A JP61280117 A JP 61280117A JP 28011786 A JP28011786 A JP 28011786A JP S63133760 A JPS63133760 A JP S63133760A
Authority
JP
Japan
Prior art keywords
irradiation field
axis
image information
image
axis direction
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.)
Granted
Application number
JP61280117A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0549143B2 (en, 2012
Inventor
Nobuyoshi Nakajima
中島　延淑
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP61280117A priority Critical patent/JPS63133760A/ja
Publication of JPS63133760A publication Critical patent/JPS63133760A/ja
Priority to US07/498,678 priority patent/US5015853A/en
Publication of JPH0549143B2 publication Critical patent/JPH0549143B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/20—Measuring radiation intensity with scintillation detectors
    • G01T1/2012—Measuring radiation intensity with scintillation detectors using stimulable phosphors, e.g. stimulable phosphor sheets
    • G01T1/2014—Reading out of stimulable sheets, e.g. latent image
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/12—Edge-based segmentation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/194—Segmentation; Edge detection involving foreground-background segmentation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/70—Determining position or orientation of objects or cameras
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10116—X-ray image
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20068—Projection on vertical or horizontal image axis
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Radiography Using Non-Light Waves (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Facsimile Scanning Arrangements (AREA)
JP61280117A 1986-11-25 1986-11-25 照射野認識方法および画像処理条件決定方法 Granted JPS63133760A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP61280117A JPS63133760A (ja) 1986-11-25 1986-11-25 照射野認識方法および画像処理条件決定方法
US07/498,678 US5015853A (en) 1986-11-25 1990-03-26 Method of recognizing irradiation field, and method of adjusting image processing conditions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61280117A JPS63133760A (ja) 1986-11-25 1986-11-25 照射野認識方法および画像処理条件決定方法

Publications (2)

Publication Number Publication Date
JPS63133760A true JPS63133760A (ja) 1988-06-06
JPH0549143B2 JPH0549143B2 (en, 2012) 1993-07-23

Family

ID=17620565

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61280117A Granted JPS63133760A (ja) 1986-11-25 1986-11-25 照射野認識方法および画像処理条件決定方法

Country Status (2)

Country Link
US (1) US5015853A (en, 2012)
JP (1) JPS63133760A (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3154026A2 (en) 2015-10-08 2017-04-12 Canon Kabushiki Kaisha Image processing apparatus, control method thereof, and computer program

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5588071A (en) * 1994-10-26 1996-12-24 Minnesota Mining And Manufacturing Company Identifying an area of interest using histogram data arranged in predetermined sequence
JP3707871B2 (ja) * 1996-08-16 2005-10-19 富士写真フイルム株式会社 放射線画像処理方法および装置
US6201890B1 (en) * 1998-12-30 2001-03-13 General Electric Company Digital-to-film radiographic image conversion
JP6254813B2 (ja) 2013-10-10 2017-12-27 キヤノン株式会社 Ｘ線画像処理装置および方法、並びにｘ線撮像装置、プログラム

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5512429A (en) * 1978-07-12 1980-01-29 Fuji Photo Film Co Ltd Radioactive image reader
JPS5611395A (en) * 1979-07-11 1981-02-04 Fuji Photo Film Co Ltd Radiation image writeereading device
CA1203922A (en) * 1981-10-16 1986-04-29 Fuji Photo Film Co., Ltd. Radiation image read-out method and apparatus
JPS60156055A (ja) * 1984-01-26 1985-08-16 Fuji Photo Film Co Ltd 放射線画像情報読取条件決定方法
DE3588169T2 (de) * 1984-07-31 1998-02-19 Fuji Photo Film Co Ltd Verfahren zur Detektion einer Bildbelichtungsfläche in einem Bildauslesevorgang
JPS6239842A (ja) * 1985-08-15 1987-02-20 Fuji Photo Film Co Ltd 放射線画像情報読取方法
US4806759A (en) * 1985-10-09 1989-02-21 Fuji Photo Film Co., Ltd. Method of adjusting radiation image read-out conditions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3154026A2 (en) 2015-10-08 2017-04-12 Canon Kabushiki Kaisha Image processing apparatus, control method thereof, and computer program
US10311568B2 (en) 2015-10-08 2019-06-04 Canon Kabushiki Kaisha Image processing apparatus, control method thereof, and computer-readable storage medium

Also Published As

Publication number Publication date
JPH0549143B2 (en, 2012) 1993-07-23
US5015853A (en) 1991-05-14

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees