JP5748693B2 - 画像処理装置および方法並びにプログラム - Google Patents
画像処理装置および方法並びにプログラム Download PDFInfo
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- JP5748693B2 JP5748693B2 JP2012055599A JP2012055599A JP5748693B2 JP 5748693 B2 JP5748693 B2 JP 5748693B2 JP 2012055599 A JP2012055599 A JP 2012055599A JP 2012055599 A JP2012055599 A JP 2012055599A JP 5748693 B2 JP5748693 B2 JP 5748693B2
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
- A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
- A61B6/5217—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data extracting a diagnostic or physiological parameter from medical diagnostic data
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/50—Clinical applications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/50—Clinical applications
- A61B6/504—Clinical applications involving diagnosis of blood vessels, e.g. by angiography
-
- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/13—Edge detection
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- G—PHYSICS
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/162—Segmentation; Edge detection involving graph-based methods
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- 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
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- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
- G16H50/30—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for calculating health indices; for individual health risk assessment
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computerised tomographs
- A61B6/032—Transmission computed tomography [CT]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/50—Clinical applications
- A61B6/505—Clinical applications involving diagnosis of bone
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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
- G06T2207/10—Image acquisition modality
- G06T2207/10072—Tomographic images
- G06T2207/10081—Computed x-ray tomography [CT]
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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
- G06T2207/20—Special algorithmic details
- G06T2207/20016—Hierarchical, coarse-to-fine, multiscale or multiresolution image processing; Pyramid transform
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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
- G06T2207/20—Special algorithmic details
- G06T2207/20024—Filtering details
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- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30004—Biomedical image processing
- G06T2207/30061—Lung
Description
2 X線CT装置
10 画像取得部
20 検出領域設定部
30 判別部
32 フィルタリング部
34 評価部
35 方向判別部
40 分割部
50 表示部
60 入力部
Claims (8)
- 中空の構造物を表す画像中の各画素位置において、中空球を表す関数の二階偏微分行列を用いたフィルタリングを施した評価行列を算出するフィルタリング部と、
前記算出された評価行列に基づいて、前記画素位置における点状構造らしさ、線状構造らしさおよび面状構造らしさのうち少なくとも1つ以上の評価値を算出する評価部とを備えたことを特徴とする画像処理装置。 - 中空の構造物を表す画像中の各画素位置において、中空球を表す関数の二階偏微分行列を用いたフィルタリングを施した評価行列を算出するフィルタリング部と、
前記算出された評価行列を固有値解析して固有値および固有ベクトルを算出し、算出された固有ベクトルの向きに基づいて線状構造の主軸方向または面状構造の法線方向を判別する方向判別部とを備えたことを特徴とする画像処理装置。 - 前記中空球を表す関数は、下記式(3)により表されるものであることを特徴とする請求項1または2記載の画像処理装置。
- 前記フィルタリング部は、複数サイズの前記中空球を表す関数について、該各中空球を表す関数の二階偏微分行列を用いたフィルタリングを施した評価行列をそれぞれ算出するものであることを特徴とする請求項1から3のいずれか1項記載の画像処理装置。
- 前記フィルタリング部は、前記中空球を表す関数の二階偏微分行列を用いたフィルタリングを、フーリエ空間において実施するものであることを特徴とする請求項1から4のいずれか1項記載の画像処理装置。
- 前記画像が医用画像であり、前記中空の構造物が気管支であることを特徴とする請求項1から5のいずれか1項記載の画像処理装置。
- 中空の構造物を表す画像中の各画素位置において、中空球を表す関数の二階偏微分行列を用いたフィルタリングを施した評価行列を算出し、
前記算出された評価行列に基づいて、前記画素位置における点状構造らしさ、線状構造らしさおよび面状構造らしさのうち少なくとも1つ以上の評価値を算出することを特徴とする画像処理方法。 - コンピュータを、
中空の構造物を表す画像中の各画素位置において、中空球を表す関数の二階偏微分行列を用いたフィルタリングを施した評価行列を算出するフィルタリング部と、
前記算出された評価行列に基づいて、前記画素位置における点状構造らしさ、線状構造らしさおよび面状構造らしさのうち少なくとも1つ以上の評価値を算出する評価部として機能させることを特徴とする画像処理プログラム。
Priority Applications (3)
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JP2012055599A JP5748693B2 (ja) | 2012-03-13 | 2012-03-13 | 画像処理装置および方法並びにプログラム |
PCT/JP2013/001528 WO2013136750A1 (ja) | 2012-03-13 | 2013-03-08 | 画像処理装置および方法並びにプログラム |
US14/481,741 US9307948B2 (en) | 2012-03-13 | 2014-09-09 | Image processing apparatus, method, and program |
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JP2012055599A JP5748693B2 (ja) | 2012-03-13 | 2012-03-13 | 画像処理装置および方法並びにプログラム |
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JP5748693B2 true JP5748693B2 (ja) | 2015-07-15 |
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JP (1) | JP5748693B2 (ja) |
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JP6334902B2 (ja) | 2012-11-30 | 2018-05-30 | キヤノンメディカルシステムズ株式会社 | 医用画像処理装置 |
EP3563340A2 (en) * | 2017-03-09 | 2019-11-06 | St. Jude Medical International Holding S.à r.l. | Detection of fiducials in a clinical image |
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US7020314B1 (en) * | 2001-11-13 | 2006-03-28 | Koninklijke Philips Electronics N.V. | Black blood angiography method and apparatus |
AU2005329247A1 (en) * | 2005-03-17 | 2006-09-21 | Algotec Systems Ltd. | Bone segmentation |
US20110064289A1 (en) * | 2009-09-14 | 2011-03-17 | Siemens Medical Solutions Usa, Inc. | Systems and Methods for Multilevel Nodule Attachment Classification in 3D CT Lung Images |
US8724866B2 (en) | 2009-09-14 | 2014-05-13 | Siemens Medical Solutions Usa, Inc. | Multi-level contextual learning of data |
JP2011104206A (ja) * | 2009-11-19 | 2011-06-02 | Hiroshima City Univ | 動脈瘤候補の検出支援装置および検出方法 |
JP5037705B2 (ja) * | 2010-03-11 | 2012-10-03 | 富士フイルム株式会社 | 画像処理装置および方法並びにプログラム |
JP5265810B2 (ja) * | 2010-10-08 | 2013-08-14 | パナソニック株式会社 | 超音波診断装置、及び体内観察方法 |
JP5701138B2 (ja) * | 2011-04-19 | 2015-04-15 | 富士フイルム株式会社 | 医用画像処理装置および方法、並びにプログラム |
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US20140376796A1 (en) | 2014-12-25 |
WO2013136750A1 (ja) | 2013-09-19 |
JP2013188289A (ja) | 2013-09-26 |
US9307948B2 (en) | 2016-04-12 |
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