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Zone plate test image


Steve Eddins


imzoneplate.m creates a zone plate test image.

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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:



Required Products Image Processing Toolbox
MATLAB release MATLAB 7.14 (R2012a)
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09 Apr 2012 Mr Smart

Mr Smart


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