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: Including an area into a circle
Replies: 20   Last Post: Jan 19, 2011 9:43 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 ]
Forrest

Posts: 18
Registered: 8/25/08
Re: Including an area into a circle
Posted: Dec 19, 2010 8:53 PM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply


> -----------------------------------------------------------------------------------------------------------------
> Simple. You get a binary image of the gray stuff. Then call bwdist()
> on that. Then threshold at 5 to get a new binary image of places
> where you can draw a circle of radius 5 or larger. Then you can pass
> that into find() or bwlabel and regionprops to get the row,column
> coordinates of those places.

I searched on matlab search for threshold but I could not find something related with what you have said, to threshold at 5. Because I am at the begin with Matlab, I have to read alot before I write few lines of code and I will ask for your help if i will have any other questions. Thanks

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.