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Electrophoresis gel image and watershed transformation of the gradient image : oversegmentation
Cleavage fracture in steel
The problem here consists in extracting the cleavage facets from a fractured surface in steel (MEB image). A rather complex combination of contrast and distance functions is used in this example.
Silver grains on a photographic plate
This example is more difficult than the coffee beans application because the overlapping regions must be segmented too.
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