Yee Lau, P., and S. Ozawa. “A Multiparameter Hierarchical Representation Using Region-Based Estimation Model for Detecting Tumor in T2-Weighted MRI Brain Images”. Malaysian Journal of Computer Science, vol. 18, no. 1, June 2005, pp. 1-19, https://jati.um.edu.my/index.php/MJCS/article/view/6227.