Investigation of wave atom transform by using the classification of mammograms |
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Affiliation: | 1. Institute of Mathematics, Silesian University of Technology, Kaszubska 23, 44-100 Gliwice, Poland;2. Department of Mathematics and Informatics, University of Catania, Viale A. Doria 6, 95125 Catania, Italy;1. Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan 430060, China;2. Department of Clinical Laboratory, Renmin Hospital of Wuhan University, Wuhan, China |
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Abstract: | This paper presents an approach for breast cancer diagnosis in digital mammograms using wave atom transform. Wave atom is a recent member of the multi-resolution representation methods. Primarily, the mammogram images are decomposed on the basis of wave atoms, and then a special set of the biggest coefficients from wave atom transform is used as a feature vector. Two different classifiers, support vector machine and k-nearest neighbors, are employed to classify mammograms. The method is tested using two different sets of images provided by MIAS and DDSM database. |
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Keywords: | Mammograms Wave atom transform SVM k-NN Sensitivity Specificity |
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