Presentation 2000/5/5
Computer Aided Diagnosis of Small Pulmonary Nodules Based on Hierarchical Classification Using Three-dimensional Thoracic CT Images
Y. Kawata, N. Niki, H. Ohmatsu, M. Kusumoto, R. Kakinuma, K. Mori, H. Nishiyama, K. Eguchi, M. Kaneko, N. Moriyama,
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Abstract(in English) This paper presents a computerized classification scheme of pulmonary nodules in thin-section CT images.In this scheme, we introduce a clustering procedure of 3-D nodule images as a preprocess of discriminating between malignant and benign nodules. The feature vector used in the clustering procedure consists of the mean CT density values in three different regions of the 3-D nodule. The 3-D nodule images in each cluster is discriminated between malignant and benign nodules by using the curvature based features. The potential usefulness of the scheme in the computer-aided differential diagnosis is demonstrated by using receiver operating characteristic (ROC) curves as the performance measure.
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Keyword(in English) pulmonary nodule / thin-section CT image / differential diagnosis / internal structure / hierarchical classification
Paper # MI2000-17
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Committee MI
Conference Date 2000/5/5(1days)
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Registration To Medical Imaging (MI)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Computer Aided Diagnosis of Small Pulmonary Nodules Based on Hierarchical Classification Using Three-dimensional Thoracic CT Images
Sub Title (in English)
Keyword(1) pulmonary nodule
Keyword(2) thin-section CT image
Keyword(3) differential diagnosis
Keyword(4) internal structure
Keyword(5) hierarchical classification
1st Author's Name Y. Kawata
1st Author's Affiliation Dept. of Optical Science, Univ.of Tokushinma()
2nd Author's Name N. Niki
2nd Author's Affiliation Dept. of Optical Science, Univ.of Tokushima
3rd Author's Name H. Ohmatsu
3rd Author's Affiliation National Cancer Center Hospital East
4th Author's Name M. Kusumoto
4th Author's Affiliation National Cancer Center Hospital
5th Author's Name R. Kakinuma
5th Author's Affiliation National Cancer Center Hospital East
6th Author's Name K. Mori
6th Author's Affiliation Tochigi Cancer Center
7th Author's Name H. Nishiyama
7th Author's Affiliation The Social Health Insurance Medical Center
8th Author's Name K. Eguchi
8th Author's Affiliation National Shikoku Cancer Center Hospital
9th Author's Name M. Kaneko
9th Author's Affiliation National Cancer Center Hospital
10th Author's Name N. Moriyama
10th Author's Affiliation National Cancer Center Hospital
Date 2000/5/5
Paper # MI2000-17
Volume (vol) vol.100
Number (no) 46
Page pp.pp.-
#Pages 6
Date of Issue