get more from the borders of binary image...

i obtained a binary image as shown in the first column.... i wanted to get more from the borders of image as shown in 2nd column... i used imdilate, but the edges i get is not smooth, how to get the edges more in shape as demonstrated in 2nd column...

Answer 1

[Image Analyst]

Use imresize() with the 'nearest' option, then crop. Figuring out where to crop to might be somewhat tricky.