Contour detection in an infrared image using the modified snake algorithm Viacheslav V. Voronin, Oxana S. Balabaeva, Marina M. Pismenskova, Svetlana V. Tokareva and Irina V. Tolstova MATEC Web Conf., 226 (2018) 04049 Published online: 07 November 2018 DOI: 10.1051/matecconf/201822604049