JP2008126065A - 少なくとも1つの血管を輪郭付けする方法および装置 - Google Patents
少なくとも1つの血管を輪郭付けする方法および装置 Download PDFInfo
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- JP2008126065A JP2008126065A JP2007293848A JP2007293848A JP2008126065A JP 2008126065 A JP2008126065 A JP 2008126065A JP 2007293848 A JP2007293848 A JP 2007293848A JP 2007293848 A JP2007293848 A JP 2007293848A JP 2008126065 A JP2008126065 A JP 2008126065A
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- 210000004204 blood vessel Anatomy 0.000 claims description 34
- 210000000577 adipose tissue Anatomy 0.000 claims description 8
- 238000003384 imaging method Methods 0.000 abstract description 10
- 238000002059 diagnostic imaging Methods 0.000 abstract description 5
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- 238000013170 computed tomography imaging Methods 0.000 description 1
- 208000029078 coronary artery disease Diseases 0.000 description 1
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- 238000001514 detection method Methods 0.000 description 1
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Classifications
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- 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
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/23—Clustering techniques
- G06F18/232—Non-hierarchical techniques
- G06F18/2321—Non-hierarchical techniques using statistics or function optimisation, e.g. modelling of probability density functions
- G06F18/23211—Non-hierarchical techniques using statistics or function optimisation, e.g. modelling of probability density functions with adaptive number of clusters
-
- 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
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/508—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for non-human patients
-
- 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
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30004—Biomedical image processing
- G06T2207/30048—Heart; Cardiac
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- 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
- G06T2207/30101—Blood vessel; Artery; Vein; Vascular
- G06T2207/30104—Vascular flow; Blood flow; Perfusion
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/14—Vascular patterns
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- Data Mining & Analysis (AREA)
- General Physics & Mathematics (AREA)
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- Bioinformatics & Cheminformatics (AREA)
- General Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
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- Evolutionary Computation (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Probability & Statistics with Applications (AREA)
- Health & Medical Sciences (AREA)
- Bioinformatics & Computational Biology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Quality & Reliability (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Image Processing (AREA)
- Image Analysis (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
【解決手段】少なくとも1つの血管に関する画像データにアクセスし、ヒストグラムの複数の構成要素を画定することによって、少なくとも1つの血管に輪郭付けする(52)。他の態様において提供される、臓器の組織をセグメント化する方法は、撮像剤(imaging agent)、血液、造影剤、および生物医学的剤の少なくとも1つと関連して、または関連せずに獲得された、撮像モダリティ獲得システムからの画像データにアクセスすることを含む。セグメント化は、ヒストグラムに対して線はめ込み技法を使用することにより、データの心外膜の脂肪、カルシウム、管腔/コントラスト、および脂肪性血小板/血栓の少なくとも1つとして、血管組織の要素を異なる密度に分類することによるヒストグラム分析を含む方法を使用することによってデータについて実施され、各要素は、血管の外壁を画定する。
【選択図】図5
Description
20 ディスプレイ
40 線
50 方法
52 ステップ
54 ステップ
56 ステップ
58 ステップ
Claims (10)
- 少なくとも1つの血管に関する画像データにアクセスすることと、
ヒストグラムの複数の構成要素を画定することによって、前記少なくとも1つの血管を輪郭付けすること(52)とを含む方法(50)。 - 前記輪郭付けすること(52)が、ヒストグラムの複数の構成要素を画定することによって、構成要素が体脂肪および血栓/脂肪性血小板を含むヒストグラムの複数の構成要素を画定することによって、前記少なくとも1つの血管を輪郭付けすること(52)を含む、請求項1記載の方法(50)。
- 前記輪郭付けすること(52)が、構成要素が体脂肪、血栓/脂肪性血小板、管腔、およびカルシウムを含むヒストグラムの複数の構成要素を画定することによって、前記少なくとも1つの血管を輪郭付けすること(52)を含む、請求項1記載の方法(50)。
- 前記画定された構成要素に画素またはボクセルをはめ込むために、前記画像データに対してクラスタ化方法を実施することをさらに含む、請求項2記載の方法(50)。
- 血小板負荷量の推定を生成するために、前記はめ込まれた画素またはボクセルを使用することをさらに含む、請求項4記載の方法(50)。
- 検出器と、
前記検出器に動作式に結合されたコンピュータとを備え、前記コンピュータが、
少なくとも1つの血管に関する画像データにアクセスし、
ヒストグラムの複数の構成要素を画定することによって、前記少なくとも1つの血管を輪郭付けするように構成される装置(10)。 - 前記輪郭付けすること(52)が、構成要素が、体脂肪、および血栓/脂肪性血小板を含むヒストグラムの複数の構成要素を画定することによって、前記少なくとも1つの血管を輪郭付けすること(52)をさらに含む、請求項6記載の装置(10)。
- 前記輪郭付けすること(52)が、構成要素が、体脂肪、血栓/脂肪性血小板、管腔、およびカルシウムを備えるヒストグラムの複数の構成要素を画定することによって、前記少なくとも1つの血管を輪郭付けすること(52)をさらに含む、請求項7記載の装置(10)。
- 前記コンピュータが、前記画定された構成要素に画素またはボクセルをはめ込むために、前記画像データに対してファジークラスタ化を実施するようにさらに構成される、請求項6記載の装置(10)。
- 前記コンピュータが、血小板負荷量の推定を生成するために、前記はめ込まれた画素またはボクセルを使用するようにさらに構成される、請求項9記載の装置(10)。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/561,110 US20070242863A1 (en) | 2006-04-13 | 2006-11-17 | Methods and Apparatus for Contouring at Least One Vessel |
Publications (1)
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JP2008126065A true JP2008126065A (ja) | 2008-06-05 |
Family
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JP2007293848A Pending JP2008126065A (ja) | 2006-11-17 | 2007-11-13 | 少なくとも1つの血管を輪郭付けする方法および装置 |
Country Status (3)
Country | Link |
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US (1) | US20070242863A1 (ja) |
JP (1) | JP2008126065A (ja) |
NL (1) | NL1034681C2 (ja) |
Cited By (1)
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JP2013512009A (ja) * | 2009-11-27 | 2013-04-11 | ドッグ マイクロシステムズ インコーポレーテッド | 画像データのフィルタリング方法、画像データのフィルタリングシステム、及び仮想内視鏡検査における画像データの使用 |
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US8504491B2 (en) | 2010-05-25 | 2013-08-06 | Microsoft Corporation | Variational EM algorithm for mixture modeling with component-dependent partitions |
CN102800090B (zh) * | 2012-07-09 | 2014-11-26 | 中国人民解放军国防科学技术大学 | 一种血细胞分割方法 |
GB201414496D0 (en) * | 2014-08-15 | 2014-10-01 | Isis Innovation | Method |
CN107392127B (zh) * | 2017-07-13 | 2019-09-10 | 国家电网公司 | 基于切比雪夫多项式描述子的输电线路提取方法 |
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NL1034681A1 (nl) | 2008-05-20 |
US20070242863A1 (en) | 2007-10-18 |
NL1034681C2 (nl) | 2009-03-04 |
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