Sample Result. The original image is in the upper left corner. The image in the upper right corner is the image after cropping it to the region in which bone is found and histogram equalization. In the lower left corner is the image after Speckle Reducing Anisotropic Diffusion (SRAD) filtering. In the lower right corner are results of segmentation. Results of the proposed method are accurate and faithful to original bone contours. This particular image is an example of an image which would be very difficult to segment using an atlas based approach due to high fragmentation of the bone.