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Selecting elements in an image based on area

From: Samuel Setchell
Subject: Selecting elements in an image based on area
Date: Fri, 1 Jul 2011 14:48:56 +0100

I am currently struggling to remove unwanted elements from a busy image. 
The elements are essentially incomplete halos, some of which are only half 
included in the image. Originally I wanted to use imfill.m 'holes' to fill in 
these elements and remove them, however this was not possible. Is there a way 
for separating these elements based on area form a binary? i.e. mask out all 
areas of ones that are connected that are greater than 400 pixels? Any help 
would be greatly appreciated.


Sam Setchell

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