Snakules: A Model-Based Active Contour Algorithm for the Annotation of Spicules on Mammography. - Gautam S. Muralidhar; Alan Conrad Bovik; J. David Giese; Mehul P. Sampat; Gary J. Whitman; Tamara Miner Haygood; Tanya W. Stephens; Mia K. Markey (IEEE Trans. Medical Imaging, 2010)