hawkes.png isodata.m Otsu_vs_RC.m rice.jpg rice.png saturn.png airplane.png Comparing Otsu's method and Automatic Thresholding by Ridler & Calvard.pdf Comparing Output of ImageJ and a manual written Gaussian smoothing code.pdf Evaluating Quality of Segmentation.pdf flower.jpg gaussian_smoothing.m Significance of Histogram Smoothing.pdf