Pruning
Pruning[image] removes the outermost branches of thin objects in image by setting their values to black.
Pruning[image, n]removes branches that are at most n pixels long.Pruning[image, {n}]removes n pixels from each branch.Pruning[image, n, t]treats values above t as foreground.
Examples
Pruning[Thinning[Binarize[img]], 10]Please visit the official Wolfram Language Reference for more details.