Abstract
This paper presents a method of classifying ultrasound medical images towards dealing with two important aspects: (i) optimal feature subset selection for representing ultrasound medical images and (ii) improvement of classification accuracy by avoiding outliers. An objective function combining the concept of between-class distance and within-class divergence among the training dataset has been proposed as the evaluation criteria of feature selection. Searching for the optimal subset of features has been performed using Multi-Objective Genetic Algorithm (MOGA). Applying the proposed criteria, a subset of Grey Level Co-occurrence Matrix (GLCM) and Grey Level Run Length Matrix (GLRLM) based statistical texture descriptors have been identified that maximizes separability among the classes of the training dataset. To avoid the impact of noisy data during classification, Fuzzy Support Vector Machine (FSVM) has been adopted that reduces the effects of outliers by taking into account the level of significance of each training sample. The proposed approach of ultrasound medical image classification has been tested using a database of 679 ultrasound ovarian images and 89.60% average classification accuracy has been achieved.
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Sohail, A.S.M., Bhattacharya, P., Mudur, S.P., Krishnamurthy, S. (2011). Classification of Ultrasound Medical Images Using Distance Based Feature Selection and Fuzzy-SVM. In: Vitrià, J., Sanches, J.M., Hernández, M. (eds) Pattern Recognition and Image Analysis. IbPRIA 2011. Lecture Notes in Computer Science, vol 6669. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-21257-4_22
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DOI: https://doi.org/10.1007/978-3-642-21257-4_22
Publisher Name: Springer, Berlin, Heidelberg
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