File Exchange

image thumbnail

Zone plate test image

version 1.0.0.1 (1.84 KB) by

imzoneplate.m creates a zone plate test image.

9 Downloads

Updated

View License

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/

Comments and Ratings (3)

Bo Zhang

Bo Zhang

how convenient it is!

Mr Smart

Updates

1.0.0.1

Updated license

MATLAB Release
MATLAB 7.14 (R2012a)

Download apps, toolboxes, and other File Exchange content using Add-On Explorer in MATLAB.

» Watch video