How to remove unwanted points in convexity Defects

Question

0.00/5 (No votes)

See more:

Hi, in my program i was able to detect finger tips and valleys using ConvexHull() and cvConvexityDefects(). But there are more than 1 circles in each finger tip. now i want to remove unwanted circles and draw only one circle for each finger tip.how can i do that? i hope my question is clear :-) Thanx in advance

Posted 8-Apr-13 11:00am

Dilan Shaminda

Add a Solution

1 solution

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Sergey Alexandrovich Kryukov · Accepted Answer · 2013-04-08T11:08:00

I think that your circles you observe on the finger tip are all nested in each other. And I think that you want to have only the outer nested circle, remove all inner ones. If this so, you can develop a simple algorithm: find a convex hull of each "circle". Say, collect all hull points and choose the "leftmost" and "rightmost" point of each "circle" and create such an x-interval between those minimal/maximum x values. If I'm not much mistaken, the inner circle will always have the nested interval compared to an outer one. This way, you will be able to find out the most outer "circle".

—SA