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

Built-in Mathematica Symbol

HitMissTransform

HitMissTransform[image, ker]
gives the hit-and-miss transform of image with respect to the composite structuring element ker.

HitMissTransform[image, {ker₁, ker₂, ...}]
gives the union of the hit-and-miss transforms for all the structuring elements ker_i.

HitMissTransform[image, {ker₁, ker₂, ...}, t]
treats values above t as foreground.

The composite structuring element ker is a matrix containing 0, +1 and -1 elements, with +1 elements representing foreground and -1 elements representing background.

HitMissTransform automatically adds zeros to structuring elements so that they have odd dimensions.

Find all foreground pixels that are below a background pixel:

Find bottom-right corners:

Find all corners by specifying four structuring elements:

Find the larger disk:

Find all foreground pixels that are below a background pixel:

Find bottom-right corners:

Find all corners by specifying four structuring elements:

Find the larger disk: