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Boudary-based segmentation uses the similarity in gray levels in a region.
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The sign of the first derivative can be used to determine whether an edge pixel lies on the dark or light side of an edge.
Which one does not belong to the research contents of digital image processing?
The term transform domain refers to the image plane itself, and transform domain processing approaches are based on direct manipulation of pixels in an image.
Digital image processing is to subject a numerical representation of an object to a series of operations in order to obtain a desired result.
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