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DE3855053D1 - Bestrahlungsfelderkennungsverfahren - Google Patents

Bestrahlungsfelderkennungsverfahren

Info

Publication number
DE3855053D1
DE3855053D1 DE3855053T DE3855053T DE3855053D1 DE 3855053 D1 DE3855053 D1 DE 3855053D1 DE 3855053 T DE3855053 T DE 3855053T DE 3855053 T DE3855053 T DE 3855053T DE 3855053 D1 DE3855053 D1 DE 3855053D1
Authority
DE
Germany
Prior art keywords
detection method
field detection
irradiation field
irradiation
field
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 - Lifetime
Application number
DE3855053T
Other languages
English (en)
Other versions
DE3855053T2 (de
Inventor
Kazuo Fuji Photo Film Shimura
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 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
Application granted granted Critical
Publication of DE3855053D1 publication Critical patent/DE3855053D1/de
Publication of DE3855053T2 publication Critical patent/DE3855053T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/24—Aligning, centring, orientation detection or correction of the image

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Radiography Using Non-Light Waves (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
DE3855053T 1987-04-16 1988-04-15 Bestrahlungsfelderkennungsverfahren Expired - Lifetime DE3855053T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62093633A JP2596744B2 (ja) 1987-04-16 1987-04-16 放射線照射野認識方法

Publications (2)

Publication Number Publication Date
DE3855053D1 true DE3855053D1 (de) 1996-04-11
DE3855053T2 DE3855053T2 (de) 1996-09-19

Family

ID=14087740

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3855053T Expired - Lifetime DE3855053T2 (de) 1987-04-16 1988-04-15 Bestrahlungsfelderkennungsverfahren

Country Status (4)

Country Link
US (1) US4967079A (de)
EP (1) EP0287113B1 (de)
JP (1) JP2596744B2 (de)
DE (1) DE3855053T2 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2867055B2 (ja) * 1990-01-29 1999-03-08 富士写真フイルム株式会社 エッジ判定方法および装置
JP2694580B2 (ja) * 1991-03-07 1997-12-24 富士写真フイルム株式会社 被写体像内画像点決定方法
JP2727257B2 (ja) * 1991-04-16 1998-03-11 富士写真フイルム株式会社 ニューラルネットワークを用いた放射線画像処理方法
JP2676009B2 (ja) * 1991-12-26 1997-11-12 富士写真フイルム株式会社 放射線画像読取条件および／または画像処理条件決定方法および装置ならびに放射線画像解析方法および装置
US5764791A (en) * 1992-03-05 1998-06-09 Fuji Photo Film Co., Ltd. Method for determining the shape and location of an irradiation field
US5268967A (en) * 1992-06-29 1993-12-07 Eastman Kodak Company Method for automatic foreground and background detection in digital radiographic images
JP3499254B2 (ja) * 1993-06-04 2004-02-23 富士写真フイルム株式会社 画像データ圧縮処理方法
JPH07210687A (ja) * 1994-01-18 1995-08-11 Matsushita Electric Ind Co Ltd 形状検出装置
CA2164627A1 (en) * 1994-04-22 1995-11-02 Touradj Ebrahimi Method and device for encoding image signal and image signal decoding device
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
US5892840A (en) * 1996-02-29 1999-04-06 Eastman Kodak Company Method and apparatus for irradiation field detection in digital radiographic images
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
JP4083251B2 (ja) * 1996-08-16 2008-04-30 富士フイルム株式会社 照射野外画像処理方法および装置
JP3609211B2 (ja) * 1996-08-29 2005-01-12 富士写真フイルム株式会社 放射線画像処理装置
JP3946809B2 (ja) 1996-09-30 2007-07-18 富士フイルム株式会社 放射線画像処理方法および装置
JP3617751B2 (ja) 1997-03-12 2005-02-09 富士写真フイルム株式会社 放射線画像の照射野認識方法および装置
JP3923131B2 (ja) * 1997-03-31 2007-05-30 富士フイルム株式会社 放射線画像の照射野認識方法および装置、並びに黒化処理方法および装置
US5978443A (en) * 1997-11-10 1999-11-02 General Electric Company Automated removal of background regions from radiographic images
US6317510B1 (en) 1997-12-19 2001-11-13 Fuji Photo Film Co., Ltd. Blackening processing method and apparatus
JP4094178B2 (ja) 1998-08-26 2008-06-04 富士フイルム株式会社 放射線画像検出装置
JP2000331156A (ja) * 1999-05-17 2000-11-30 Internatl Business Mach Corp <Ibm> 輪郭に沿うトラッカを自動的に決定するための方法、及び該方法を実施するプログラムを記憶した記憶媒体
JP2001052011A (ja) 1999-08-06 2001-02-23 Canon Inc 画像検索装置およびその方法
JP4219571B2 (ja) * 2001-04-26 2009-02-04 富士フイルム株式会社 放射線画像の黒化処理方法および装置
JP4708712B2 (ja) 2004-02-04 2011-06-22 キヤノン株式会社 画像処理装置及びその制御方法、プログラム
DE502004004942D1 (de) 2004-05-04 2007-10-25 Agfa Gevaert Healthcare Gmbh Verfahren zur Erfassung und Darstellung eines in einer Phosphorschicht gespeicherten Röntgenbildes
US20050281464A1 (en) * 2004-06-17 2005-12-22 Fuji Photo Film Co., Ltd. Particular image area partitioning apparatus and method, and program for causing computer to perform particular image area partitioning processing
US7688988B2 (en) * 2004-06-17 2010-03-30 Fujifilm Corporation Particular image area partitioning apparatus and method, and program for causing computer to perform particular image area partitioning processing
JP2006293522A (ja) * 2005-04-07 2006-10-26 Fuji Photo Film Co Ltd 直線検出装置、直線検出方法およびそのプログラム
JP4280729B2 (ja) 2005-05-31 2009-06-17 キヤノン株式会社 照射野領域抽出方法及び放射線撮影装置
JP4416823B2 (ja) 2008-01-09 2010-02-17 キヤノン株式会社 画像処理装置、画像処理方法、及びコンピュータプログラム
CN101540040B (zh) * 2008-03-21 2012-12-12 深圳迈瑞生物医疗电子股份有限公司 自动检测限束器边界的方法与装置
JP5592962B2 (ja) 2012-02-03 2014-09-17 富士フイルム株式会社 放射線撮影装置とその制御方法、及び放射線撮影システム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2542904A1 (de) * 1975-09-26 1977-03-31 Automationsanlagen Dipl Ing Kl Verfahren zum pruefen eines gegenstandes
DE3587220T2 (de) * 1984-01-13 1993-07-08 Komatsu Mfg Co Ltd Identifizierungsverfahren von konturlinien.
EP0170270B1 (de) * 1984-07-31 1990-03-28 Fuji Photo Film Co., Ltd. Verfahren zur Einstellung von Strahlenbildauslesebedingungen
JPH0690406B2 (ja) * 1984-07-31 1994-11-14 富士写真フイルム株式会社 放射線画像情報の読取条件決定方法
US4685143A (en) * 1985-03-21 1987-08-04 Texas Instruments Incorporated Method and apparatus for detecting edge spectral features

Also Published As

Publication number Publication date
JP2596744B2 (ja) 1997-04-02
EP0287113A3 (de) 1992-04-01
DE3855053T2 (de) 1996-09-19
EP0287113A2 (de) 1988-10-19
US4967079A (en) 1990-10-30
JPS63259538A (ja) 1988-10-26
EP0287113B1 (de) 1996-03-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FUJIFILM CORP., TOKIO/TOKYO, JP