# -*- coding: utf-8 -*-
"""
Created on Mon Nov 15 23:17:20 2010

@author: myname
"""

def findMinBoundBox( img ):
   "Given a binary image of 0's and 1's, this function finds the minimum box\
    which encapsulates all 1's in the image.\
    Input is a 2D binary numpy.ndarray\
    Output is coordinats in input frame coordinateset, organized as:\
    (left, upper, right, lower)"
    xmin=1000;
    xmax=0;
    ymin=1000;
    ymax=0;
    for i in range(0,img.shape[0]):
        for j in range(0,img.shape[1]):
            if(tstImg[i,j]):
                if(xmin>i):xmin=i;
                if(xmax<i):xmax=i;
                if(ymin>j):ymin=j;
                if(ymax<j):ymax=j;
   return [(ymin,xmin,ymax,xmax)]