OHLANDER PRICE REDDY, GRAY TONE
Macro: PROREGOPRGRA
Function:Segmentation of image based on gray level histogram. Histogram of the image is first smoothed with a mask to eliminate small irregularities. Produces segmented image as output. 
Parameters:
1. Input output image planes.
2. Output vector for the mask smoothed histogram of input image.
3. Specify mask size.
