digital film work.
* Image calculator: apply a mathematical expression to an image or image
channels.
+ * Connected component labeling: uniquely label connected regions in an
+ image.
* Discrete Fourier transform: implements the forward and inverse DFT.
* Perceptual hash: maps visually identical images to the same or similar
hash-- useful in image retrieval, authentication, indexing, or copy
http://www.fmwconcepts.com/imagemagick/: a plethora of command-line scripts
that perform geometric transforms, blurs, sharpens, edging, noise removal,
and color manipulations.
+