Comparative study of features classification methods for mass lesion recognition in digitized mammograms

Donato Cascio, Giuseppe Raso, Francesco Fauci, Rosario Magro, Fulcheri, Gargano, Chincarini, Cheran, Stumbo, Gori, Francesco De Carlo, Retico, De Nunzio, Golosio, Cerello, De Carlo, De Mitri, Bottigli, Bellotti, MasalaOliva, E. Lopez Torres, Tangaro

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16 Citazioni (Scopus)

Abstract

In this work a comparison of different classification methods for the identification of mass lesions in digitized mammograms is performed. These methods, used in order to develop Computer Aided Detection (CAD) systems, have been implemented in the framework of the MAGIC-5 Collaboration. The system for identification of mass lesions is based on a three-step procedure: a) preprocessing and segmentation, b) region of interest (ROI) searching, c) feature extraction and classification. It was tested on a very large mammographic database (3369 mammographic images from 967 patients). Each ROI is characterized by eight features extracted from a co-occurrence matrix containing spatial statistics information on the ROI pixel grey tones. The reduction of false-positive cases is performed using a classification system. The classification systems we compared are: Multi Layer Perceptron (MLP), Probabilistic Neural Network (PNN), Radial Basis Function Network (RBF) and K-Nearest Neighbours classifiers (KNN). The results in terms of sensitivity (percentage of pathological ROIs correctly classified) and specificity (percentage of nonpathological ROIs correctly classified) are presented. MLP and RBF outperform other classification algorithms by about 8% of the area under the ROC curve
Lingua originaleEnglish
pagine (da-a)305-316
Numero di pagine12
RivistaIL NUOVO CIMENTO DELLA SOCIETÀ ITALIANA DI FISICA. C, GEOPHYSICS AND SPACE PHYSICS
Volume30 C
Stato di pubblicazionePublished - 2007

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Physics and Astronomy (miscellaneous)

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    Cascio, D., Raso, G., Fauci, F., Magro, R., Fulcheri, Gargano, Chincarini, Cheran, Stumbo, Gori, De Carlo, F., Retico, De Nunzio, Golosio, Cerello, De Carlo, De Mitri, Bottigli, Bellotti, ... Tangaro (2007). Comparative study of features classification methods for mass lesion recognition in digitized mammograms. IL NUOVO CIMENTO DELLA SOCIETÀ ITALIANA DI FISICA. C, GEOPHYSICS AND SPACE PHYSICS, 30 C, 305-316.