Adding Edges to Photographic Images
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This Demonstration adds edges to an image. You can change the location of the edges by modifying the lower and upper thresholds used to binarize the image.
Contributed by: Erik Mahieu (March 2011)
Open content licensed under CC BY-NC-SA
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"Adding Edges to Photographic Images"
http://demonstrations.wolfram.com/AddingEdgesToPhotographicImages/
Wolfram Demonstrations Project
Published: March 7 2011