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Mathematica > Data Manipulation > Image Processing & Analysis > Mathematical Morphology > Pruning >

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Pruning

Pruning[image]
removes the outermost branches of thin objects in image by setting their values to black.

removes branches that are at most n pixels long.

removes n pixels from each branch.

treats values above t as foreground.

Pruning works with binary, grayscale, and multichannel images, as well as real matrices.

Pruning takes a Padding option that specifies the values to assume for pixels outside the image. The default setting is Padding.

Prune the outermost branches:

Prune branches that are no longer than 60 pixels:

Prune 60 pixels from branches:

Prune all branches:

Prune the outermost branches:

Out[1]=

Prune branches that are no longer than 60 pixels:

Out[1]=

Prune 60 pixels from branches:

Out[1]=

Prune all branches:

Out[1]=

Morphological pruning can be applied to raw data:

Count the legs of a centipede:

Find the loops of a graph:

Iteratively prune an image:

Solve a maze puzzle by thinning all paths and pruning dead ends: