OHLANDER PRICE REDDY METHOD
Macro: -not applicable-
Function: Recusive segmentation of image based on gray level histogram and a stack of binary masks representing different stages of segmentation. Start with a mask containing entire image. Smoothed histogram of the image to segment is caculated. The best peak according the 6 criteria defined by OHP is searched. The image is thresholded using the peak, and a new set of masks is obtained for the regions to segment.If no peak is found the mask forms a part of the resultant image. 
