JP4907978B2 - コリメーション・エッジを検出する方法及び、コリメーション・エッジを検出する命令を有するコンピュータによるアクセスが可能な媒体 - Google Patents

コリメーション・エッジを検出する方法及び、コリメーション・エッジを検出する命令を有するコンピュータによるアクセスが可能な媒体 Download PDF

Info

Publication number
JP4907978B2
JP4907978B2 JP2005369004A JP2005369004A JP4907978B2 JP 4907978 B2 JP4907978 B2 JP 4907978B2 JP 2005369004 A JP2005369004 A JP 2005369004A JP 2005369004 A JP2005369004 A JP 2005369004A JP 4907978 B2 JP4907978 B2 JP 4907978B2
Authority
JP
Japan
Prior art keywords
image
edge
images
projection space
input image
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
JP2005369004A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006181362A5 (enExample
JP2006181362A (ja
Inventor
カドリ・ニザール・ジャブリ
ゴパール・ビー・アヴィナシュ
ガウリ・キショー・ジョグルカー
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of JP2006181362A publication Critical patent/JP2006181362A/ja
Publication of JP2006181362A5 publication Critical patent/JP2006181362A5/ja
Application granted granted Critical
Publication of JP4907978B2 publication Critical patent/JP4907978B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/36—Applying a local operator, i.e. means to operate on image points situated in the vicinity of a given point; Non-linear local filtering operations, e.g. median filtering
    • 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
    • G06T2207/20112—Image segmentation details
    • G06T2207/20132—Image cropping
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06V10/245—Aligning, centring, orientation detection or correction of the image by locating a pattern; Special marks for positioning

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Nonlinear Science (AREA)
  • Multimedia (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Analysis (AREA)
JP2005369004A 2004-12-24 2005-12-22 コリメーション・エッジを検出する方法及び、コリメーション・エッジを検出する命令を有するコンピュータによるアクセスが可能な媒体 Expired - Fee Related JP4907978B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/023,244 US7508970B2 (en) 2004-12-24 2004-12-24 Systems, methods and apparatus for detecting a collimation edge in digital image radiography
US11/023,244 2004-12-24

Publications (3)

Publication Number Publication Date
JP2006181362A JP2006181362A (ja) 2006-07-13
JP2006181362A5 JP2006181362A5 (enExample) 2011-08-11
JP4907978B2 true JP4907978B2 (ja) 2012-04-04

Family

ID=36611578

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005369004A Expired - Fee Related JP4907978B2 (ja) 2004-12-24 2005-12-22 コリメーション・エッジを検出する方法及び、コリメーション・エッジを検出する命令を有するコンピュータによるアクセスが可能な媒体

Country Status (2)

Country Link
US (1) US7508970B2 (enExample)
JP (1) JP4907978B2 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080008372A1 (en) * 2006-07-07 2008-01-10 General Electric Company A method and system for reducing artifacts in a tomosynthesis imaging system
US7801344B2 (en) * 2006-12-01 2010-09-21 Carestream Health, Inc. Edge boundary definition for radiographic detector
JP5074054B2 (ja) * 2007-02-16 2012-11-14 株式会社日立メディコ Ｘ線画像診断装置
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
US8135200B2 (en) * 2008-07-03 2012-03-13 Infimed, Inc. Imaging auto shutter ROI
US8786873B2 (en) * 2009-07-20 2014-07-22 General Electric Company Application server for use with a modular imaging system
US8831325B2 (en) 2009-12-29 2014-09-09 Shimadzu Corporation Radiographic image processing apparatus and radiographic image processing program
US8243882B2 (en) 2010-05-07 2012-08-14 General Electric Company System and method for indicating association between autonomous detector and imaging subsystem
CN104161531B (zh) * 2014-05-04 2015-09-30 上海联影医疗科技有限公司 限束器边缘的获取方法及装置、x射线摄影设备
US10973473B2 (en) * 2017-06-27 2021-04-13 Canon Medical Systems Corporation X-ray diagnostic apparatus
CN110353707A (zh) * 2018-03-26 2019-10-22 通用电气公司 准直器边界检测方法的训练方法和系统
EP3785222B1 (en) 2018-05-30 2024-04-17 Shanghai United Imaging Healthcare Co., Ltd. Systems and methods for image processing

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0342379B1 (en) * 1988-04-20 1994-03-09 Fuji Photo Film Co., Ltd. Method for recognizing the contour of an irradiation field
US5282254A (en) * 1992-06-29 1994-01-25 Siemens Corporate Research, Inc. Method for locating an edge portion of an aperture in a filter member in X-ray fluoroscopy apparatus
JP3380609B2 (ja) * 1993-12-24 2003-02-24 コニカ株式会社 放射線画像の照射野領域抽出装置
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
JP2000023952A (ja) * 1998-04-30 2000-01-25 Konica Corp 照射野認識方法
US6836570B2 (en) * 2001-11-14 2004-12-28 Eastman Kodak Company Method for contrast-enhancement of digital portal images
JP2003250789A (ja) * 2002-02-28 2003-09-09 Canon Inc 放射線撮影装置、プログラム、及びコンピュータ可読記憶媒体

Also Published As

Publication number Publication date
US7508970B2 (en) 2009-03-24
US20060140483A1 (en) 2006-06-29
JP2006181362A (ja) 2006-07-13

Similar Documents

Publication Publication Date Title
JP4907978B2 (ja) コリメーション・エッジを検出する方法及び、コリメーション・エッジを検出する命令を有するコンピュータによるアクセスが可能な媒体
EP3621034A1 (en) Method and apparatus for calibrating relative parameters of collector, and storage medium
CN113870293B (zh) 图像处理方法、装置、电子设备及存储介质
US7783130B2 (en) Spatial standard observer
US7342572B2 (en) System and method for transforming an ordinary computer monitor into a touch screen
US8139710B2 (en) Systems, methods and apparatus to image objects
US9861332B2 (en) Tomographic image generation device and method, and recording medium
US7483559B2 (en) Method and apparatus for deblurring mask images
US5710839A (en) Method and apparatus for obscuring features of an image
CN112396640A (zh) 图像配准方法、装置、电子设备及存储介质
US20070260137A1 (en) Image Processing Device And Method Which Use Two Images
CN114266799B (zh) 一种识别束光器边框方法、装置、计算机设备及存储介质
JP2002008008A (ja) 医用画像出力方法および装置
US7570792B2 (en) Image processing apparatus and control method and program therefor
US6937751B2 (en) System and method for aligning images
Mori et al. Deriving the modulation transfer function of CT from extremely noisy edge profiles
US20070286527A1 (en) System and method of determining the exposed field of view in an x-ray radiograph
CN104240184B (zh) 噪声标准差的估算方法和系统
JPH1127574A (ja) 手ぶれパラメータ検出方法及び情報記録媒体
JP2002094772A (ja) 放射線画像処理方法および放射線画像処理装置
US7529402B2 (en) Image information processing apparatus, image information processing method, and program
CN115825128B (zh) 带图像修正功能的广角中子照相方法、装置、设备及介质
CN109813259B (zh) 高动态x射线成像方法、存储介质和装置
US8615134B2 (en) Method and a device for identifying a set of pixels, the values of which are intended to be used to determine the value of a target pixel
JP2010042774A (ja) 位置誤差補正装置及び位置誤差補正プログラム

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20081218

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20101222

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20101222

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20110120

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110627

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20110826

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20110906

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20111108

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20111220

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20120112

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20150120

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Ref document number: 4907978

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees