The size of the output image after algebraic operation is same to that of input image.
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Pseudocolor image processing consists of assigning colors to gray values based on a specified criterion.
Bit allocation is one of the three key problems for transform encoding techniques.
Boudary-based segmentation uses the similarity in gray levels in a region.
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.