Seelan, Lim J, and Dr. L. Padma Suresh. “An Effective Automatic Detection of Lung Tumor Based on Novel Optimized Chan-Vese Algorithm”. International Journal of Engineering and Technology, vol. 7, no. 4.39, Dec. 2018, pp. 737-41, https://doi.org/10.14419/ijet.v7i4.39.26266.