Yee Lau, Phooi, and Shinji Ozawa. 2005. “A Multiparameter Hierarchical Representation Using Region-Based Estimation Model for Detecting Tumor in T2-Weighted MRI Brain Images”. Malaysian Journal of Computer Science 18 (1):1-19. https://juku.um.edu.my/index.php/MJCS/article/view/6227.