Image Processing:
Derivatives, Edges and Whole Image
Methods
a) Give the 3x3 Sobel filter for detecting anti-diagonal
edges of an image.
b) Compute the result of applying the filter you provided
in (a) to the central pixel of the image fragment shown in Figure
5. Show your workings.
33 29 27 30 32 28 31 27 29 Figure 5
Image Processing: Derivatives, Edges and Whole Image Methods a) Give the 3x3 Sobel filter for detecting anti-diagonal ed
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