How could I make the discontinuous contour of an image consistant?

Question

In the task, I got an discontinuous edge image, how could make it closed? in other word make the curve continuous. And the shape could be any kind, cause this the coutour shadow

Answer 1

You can try using distance transform

% binarize
im=rgb2gray(im); im=im>100;

% Distance transform
bd=bwdist(im);
maxDist = 5;
bd(bd