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What is Spatial Filtering Techniques in Image Processing about?

This document discusses techniques for digital image processing and enhancement. It covers spatial filtering refresher, sharpening filters including 1st and 2nd derivative filters, and combining filtering techniques. The key sharpening filter covered is the Laplacian filter, which is defined and its digital implementation as a 3x3 kernel is shown. Applying the Laplacian highlights edges but does not directly enhance the image. To generate a final sharpened image, the Laplacian result is subtracted from the

Author

Mudathir Ayomide

Language

EN