1. 1. E. A. Sickles, “Mammography: Asymmetries, masses, and architectural distortion,” in Diseases of the Heart and Chest, Including Breast 2011–2014, J. Hodler, G. K. von Schulthess, and C. L. Zollikofer, Eds. New York: Springer, 2011, pp. 255–258.
   2. J. Tang, R. M. Rangayyan, X. Jun, I. El Naqa, and Y. Yang, “Computeraided detection and diagnosis of breast cancer with mammography: Recent advances,” IEEE Trans. Inf. Technol. Biomed., vol. 13, no. 2, pp. 236–251, Mar. 2009.
   3. R. J. Ferrari, R. M. Rangayyan, J. E. L. Desautels, and A. F. Frère, “Analysis of asymmetry in mammograms via directional filtering with Gabor wavelets,” IEEE Trans. Med. Imag., vol. 20, no. 9, pp. 953–964, Sep. 2001.
   4. R. J. Ferrari, R. M. Rangayyan, J. E. L. Desautels, R. A. Borges, and A. F. Frère, “Automatic identification of the pectoralmuscle in mammograms,” IEEE Trans. Med. Imag., vol. 23,Feb 2004. b.2004IEEE Trans. Med. Imag., vol. 23, no.2, pp. 232–245, Nov. 21–23, 2013.
   5. S. Banik, R. M. Rangayyan, and J. E. L. Desautels, “Detection of architecturaldistortion in prior mammograms,” IEEE Trans. Med. Imag., vol. 30, no. 2, pp. 279–294, Feb. 2011.
   6. P. Casti, A. Mencattini, M. Salmeri, A. Ancona, F. Mangieri, and R. M.Rangayyan, “Masking proceduresand measures of angular similarity for detection ofbilateralasymmetryin mammograms,” in Proc. IEEE eHealth and Bioeng. Conf., Iasi, Romania, Nov. 21–23, 2013.
   7. P. Casti, A. Mencattini, and M. Salmeri, “Characterization of the breast region for computerassisted Tabár masking of paired mammographic images,” in Proc. 25th Int. Symp. IEEE Comput.-Based Med. Syst., 2012,pp.1-6.
   8. Z. Wang, A. C. Bovik, H. R. Sheikh, and E. P. Simoncelli, “Image quality assessment: From error visibility to structural similarity,” IEEE Trans.,vol. 13,no.4,pp.600-612, Apr.2004.
   9. E. P. Simoncelli, W. T. Freeman, E. H. Adelson, and D. J. Heeger, “Shiftable multi-scale transforms,” IEEE Trans. Inf. Theory, vol. 38, no. 2, pp. 587–607, Mar. 2010.
   10. A. Mencattini, M. Salmeri, and P. Casti, “Bilateral asymmetry identification for the early detection of breastcancer,” in Proc. IEEE Int. Workshop Med. Meas. Appl.Proc., 2011, pp. 613–618