JP4146438B2 - 識別方法 - Google Patents
識別方法 Download PDFInfo
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- JP4146438B2 JP4146438B2 JP2005011253A JP2005011253A JP4146438B2 JP 4146438 B2 JP4146438 B2 JP 4146438B2 JP 2005011253 A JP2005011253 A JP 2005011253A JP 2005011253 A JP2005011253 A JP 2005011253A JP 4146438 B2 JP4146438 B2 JP 4146438B2
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- 238000000034 method Methods 0.000 title claims description 87
- 210000002429 large intestine Anatomy 0.000 claims description 45
- 239000007788 liquid Substances 0.000 claims description 31
- 230000005484 gravity Effects 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 2
- 210000000746 body region Anatomy 0.000 claims 1
- 238000002591 computed tomography Methods 0.000 description 31
- 239000013598 vector Substances 0.000 description 10
- 238000003745 diagnosis Methods 0.000 description 7
- 238000000605 extraction Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- 230000000968 intestinal effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009499 grossing Methods 0.000 description 4
- 210000000056 organ Anatomy 0.000 description 4
- 238000003672 processing method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 210000001072 colon Anatomy 0.000 description 3
- 238000002595 magnetic resonance imaging Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000000112 colonic effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001839 endoscopy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000008141 laxative Substances 0.000 description 1
- 229940125722 laxative agent Drugs 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 210000000813 small intestine Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 238000002609 virtual colonoscopy Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
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
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0012—Biomedical image inspection
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/11—Region-based segmentation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/136—Segmentation; Edge detection involving thresholding
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10072—Tomographic images
- G06T2207/10081—Computed x-ray tomography [CT]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20036—Morphological image processing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06T2207/30028—Colon; Small intestine
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06T2207/30172—Centreline of tubular or elongated structure
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- High Energy & Nuclear Physics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Quality & Reliability (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Description
12 水平面
13,51 大腸内空気
14,53 大腸内液体
21,41,62 空気
22,42,63 中間領域
23,43,64 液体
25 境界領域C
32 水平ベクトル
33 法線ベクトル
34,35,36,37 水平面部分
60 大腸
61 大腸壁
71,72,73 他の組織
Claims (9)
- 密度の異なる流体により構成される二層体領域全体を識別する識別方法であって、
各層の領域を抽出するステップと、
前記二層体の境界面を含む面を、境界面候補として抽出するステップと、
前記境界面候補のうち、向きが水平である部分を境界面部分として選択するステップと、
前記境界面部分を利用して、前記二層体の中間領域を取得するステップと、
前記中間領域に接する前記各層の領域を前記二層体領域全体と判定するステップとを有し、
識別対象はボリュームデータである識別方法。 - 請求項1記載の識別方法であって、
更に、二層体の境界面として選択した面に連続的につながっている領域を二層体それぞれの領域に分割するステップを有する識別方法。 - 請求項1記載の識別方法であって、
前記二層体は、気体と液体の二層体である識別方法。 - 請求項1記載の識別方法であって、
前記境界面を含む面が水平であることの判断を部分的に行う識別方法。 - 請求項1記載の識別方法であって、
重力方向と直交する面を水平面として識別する識別方法。 - 請求項1記載の識別方法であって、
ネットワーク分散処理により識別を行う識別方法。 - 請求項1記載の識別方法であって、
前記二層体領域全体は大腸内領域である識別方法。 - 請求項1記載の識別方法により識別した二層体領域全体もしくは当該二層体領域全体に含まれる一方の層を除いて投影する投影方法。
- コンピュータに、請求項1ないし7のいずれか一項記載の各ステップを実行させるための識別プログラム。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005011253A JP4146438B2 (ja) | 2005-01-19 | 2005-01-19 | 識別方法 |
US11/233,188 US20060157069A1 (en) | 2005-01-19 | 2005-09-22 | Identification method and computer readable medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005011253A JP4146438B2 (ja) | 2005-01-19 | 2005-01-19 | 識別方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006198059A JP2006198059A (ja) | 2006-08-03 |
JP4146438B2 true JP4146438B2 (ja) | 2008-09-10 |
Family
ID=36682586
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005011253A Active JP4146438B2 (ja) | 2005-01-19 | 2005-01-19 | 識別方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20060157069A1 (ja) |
JP (1) | JP4146438B2 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7983463B2 (en) * | 2006-11-22 | 2011-07-19 | General Electric Company | Methods and apparatus for suppressing tagging material in prepless CT colonography |
BR112012012819A2 (pt) * | 2009-11-27 | 2016-08-16 | Dog Microsystems Inc | método e sistema para filtrar dados de imagem e uso dos mesmos na endoscopia virtual |
DE102010028478B4 (de) * | 2010-05-03 | 2020-03-12 | Siemens Healthcare Gmbh | Verfahren und System zur berührungslosen magnetischen Navigation |
JP2012187161A (ja) * | 2011-03-09 | 2012-10-04 | Fujifilm Corp | 画像処理装置、方法、及びプログラム |
JP5957409B2 (ja) * | 2013-03-29 | 2016-07-27 | 富士フイルム株式会社 | 領域抽出装置および方法並びにプログラム |
JP5923067B2 (ja) * | 2013-07-26 | 2016-05-24 | 富士フイルム株式会社 | 診断支援装置および診断支援方法並びに診断支援プログラム |
JP6415878B2 (ja) * | 2014-07-10 | 2018-10-31 | キヤノンメディカルシステムズ株式会社 | 画像処理装置、画像処理方法及び医用画像診断装置 |
CN107106110B (zh) * | 2014-12-26 | 2020-03-03 | 株式会社日立制作所 | 图像处理装置以及图像处理方法 |
CN112890844B (zh) * | 2019-12-04 | 2024-01-23 | 上海西门子医疗器械有限公司 | 测量医疗成像设备的水平度的方法、装置、医疗成像设备和模体 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5782762A (en) * | 1994-10-27 | 1998-07-21 | Wake Forest University | Method and system for producing interactive, three-dimensional renderings of selected body organs having hollow lumens to enable simulated movement through the lumen |
US6331116B1 (en) * | 1996-09-16 | 2001-12-18 | The Research Foundation Of State University Of New York | System and method for performing a three-dimensional virtual segmentation and examination |
US6343936B1 (en) * | 1996-09-16 | 2002-02-05 | The Research Foundation Of State University Of New York | System and method for performing a three-dimensional virtual examination, navigation and visualization |
US6477401B1 (en) * | 2000-03-10 | 2002-11-05 | Mayo Foundation For Medical Education And Research | Colonography of an unprepared colon |
US6947784B2 (en) * | 2000-04-07 | 2005-09-20 | The General Hospital Corporation | System for digital bowel subtraction and polyp detection and related techniques |
EP1402478A4 (en) * | 2000-10-02 | 2006-11-02 | Univ New York State Res Found | IMPROVED VIRTUAL NAVIGATION AND INVESTIGATION |
JP2005511234A (ja) * | 2001-12-14 | 2005-04-28 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 容積走査に基づいた対象の内臓管腔臓器壁の表面組織の視覚化に関する方法、システム及びコンピュータープログラム |
-
2005
- 2005-01-19 JP JP2005011253A patent/JP4146438B2/ja active Active
- 2005-09-22 US US11/233,188 patent/US20060157069A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
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JP2006198059A (ja) | 2006-08-03 |
US20060157069A1 (en) | 2006-07-20 |
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