Zone plate test image
Updated 03 Dec 2019
A zone plate is a radially symmetric pattern with low frequencies in the middle and high frequencies near the edge. It is useful for experimenting with frequency- and direction-sensitive filtering and also for testing the anti-aliasing capability of image resizing methods.
For more, see:
Steve Eddins (2021). Zone plate test image (https://github.com/mathworks/zone-plate-test-image), GitHub. Retrieved .
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