K. Venkata Rao, I. Ramesh Babu, and J.Winny Vandana. 2011. “A PARALLEL ROUGH SET BASED SMOOTHING FILTERFOR MEDICAL IMAGE ENHANCEMENT”. International Journal of Computer Science and Engineering Research and Development (IJCSERD) 1 (2): 52-59. https://ijcserd.in/index.php/home/article/view/IJCSERD_01_02_006.