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| Identification of Lung Nodules in CT Images Based on 3D Minimum Within-Class Scatter SVM |
| WANG Qing-Zhu1,2, KANG Wen-Wei2, WANG Xin-Zhu2, Wang Bin3 |
1.School of Information Engineering, Northeast Dianli University, Jilin 132012
2.College of Communication Engineering, Jilin University, Changchun 130025
3.Abdomal, Jilin Tumor Hospital, Changchun 130012 |
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Abstract Multi-class Support Vector Machines (MC-SVM) based on 3 Dimension (3D) minimum within-class scatter is presented. MC-SVM based on 3D matrix patterns (MC-SVM3Dmatrix) is proposed firstly which operates inputs as 3D matrixes directly, and minimum within-class scatter SVM is adopted to design a 3D minimum within-class scatter MC-SVM. Taking advantages of both minimum within-class scatter SVM and feature of 3D space, the algorithm improves accuracy of classifiers and reduces False Positives (FP) effectively. 200-case database from Jilin Tumor Hospital is used to validate the proposed algorithm. The performances of other four CAD schemes, two radiologists and the proposed algorithm are compared on the same database. The experimental results verify the effectiveness of the proposed algorithm.
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Received: 23 February 2011
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2011, Vol. 24 
