Drexel dragonThe Math ForumDonate to the Math Forum


Math Forum
 Ask Dr. Math
 Discussions
 Internet Newsletter
 MathTools
 Problems of the Week
 Teacher2Teacher
 Teacher Exchange
 Workshops

Search All of the Math Forum:
Browse our Internet Mathematics Library

Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.


Math Forum » Discussions » Software » comp.soft-sys.matlab

Topic: anybody got a complex 2-D median filter script they can share?
Replies: 7   Last Post: Nov 13, 2012 5:55 PM

Advanced Search
Reply to this Topic Reply to this Topic

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
Matt J

Posts: 4,976
Registered: 11/28/09
Re: anybody got a complex 2-D median filter script they can share?
Posted: Mar 4, 2011 10:46 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

"Matt J" wrote in message <ikr10v$2e3$1@fred.mathworks.com>...
>
> > I am in a bit of a time crunch and am looking for a script to handle 2-D complex data with a median filter. long story short I've been doing the operation wrong and getting good results with bad math. any assistance is appreciated!
> ============
>
> median filtering relies on the ability to sort/order the input data. Since your data is complex valued, how would you define an ordering for it, on which to base calculations of the medians?
====================

If you mean that you just want to median filter the real and imaginary part of the image separately, you could just do

X_filtered = medfilt2(real(X))+i*medfilt2(imag(X));

Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© Drexel University 1994-2013. All Rights Reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.