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Next: 13.3.5.4.1 Basic High-Pass Filter: Up: 13.3.5 Useful Convolution Filters Previous: 13.3.5.3.3 Basic Smooth: 5x5

13.3.5.4 High-pass Filters

A high-pass filter enhances the high-frequency parts of an image. This type of filter is used to sharpen images.

 

David Blythe
1999-08-06