Segmentation of image

This function segment_parallel segments the input black & white image to segmented image. The segments are numbered as and when new segments comes up. The input image should have only 1s and 0s(use matlab command bw). The outputs are Largest Index used and segmented/labelled image
Example:
im=[1 1 1 0 0 0 0 0 1 1;1 1 0 0 1 0 0 1 1 1;1 1 0 0 1 1 0 1 0 0;0 0 0 1 0 1 1 1 1 1;0 0 0 1 1 1 0 0 0 0;0 0 0 1 1 0 0 0 0 0];
[Label, Index]=segment_parallel(im);

Author:Santhana Raj.A https://sites.google.com/site/santhanarajarunachalam/