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Zone plate test image

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5.0 | 2 ratings Rate this file 16 Downloads (last 30 days) File Size: 1.84 KB File ID: #35961 Version: 1.0.0.1
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Zone plate test image

by

Steve Eddins (view profile)

 

06 Apr 2012 (Updated )

imzoneplate.m creates a zone plate test image.

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Description

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:

http://blogs.mathworks.com/steve/2011/07/19/jahne-test-pattern-take-3/

http://blogs.mathworks.com/steve/2011/07/22/filtering-fun/

Required Products Image Processing Toolbox
MATLAB
MATLAB release MATLAB 7.14 (R2012a)
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Comments and Ratings (3)
22 Feb 2015 Bo Zhang  
22 Feb 2015 Bo Zhang

how convenient it is!

Comment only
09 Apr 2012 Mr Smart  
Updates
01 Sep 2016 1.0.0.1

Updated license

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