Browsing by Subject "Computer-aided Diagnosis"

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    Detection of microcalcifications in mammograms using higher order statistics
    (Institute of Electrical and Electronics Engineers, 1997-08) Gürcan, M. N.; Yardımcı, Y.; Çetin, A. Enis; Ansari, R.
    A new method for detecting microcalcifications in mammograms is described. In this method, the mammogram image is first processed by a subband decomposition filterbank. The bandpass subimage is divided into overlapping square regions in which skewness and kurtosis as measures of the asymmetry and impulsiveness of the distribution are estimated. The detection method utilizes these two parameters. A region with high positive skewness and kurtosis is marked as a region of interest. Simulation results show that this method is successful in detecting regions with microcalcifications.