NAME
	bb - Extracts and creates a new image based on bounding box

SYNOPSIS
	bb [if=infile] [of=ofile]

DESRIPTION
	This program finds the bounding box for object contents in the source
image. It finds the left-most , top-most, right-most, and bottom-most object
pixel values and constructs a bounding box. It then creates a new image by
copying all image contents located within the bounding box. Background is
considered to have intensity 0, while object pixels have intensity > 0.

CONSTRAINTS
	None.

OPTIONS
	if=	input image for extracting bounding box
	of=	output image containing only bounding box

AUTHOR(S)
	U.Moszkowicz and A.Mehler

SEE ALSO
	None