How do I find the area of a binary image?
Show older comments
Hi, I need to find the area of this image (around the outer edge). Anyone got an idea? Thanks!!!!!
Accepted Answer
Image Analyst
on 2 Jul 2015
To find the actual boundary, invert, fill, and sum
binaryImage = imfill(~binaryImage, 'holes');
numPixels = sum(binaryImage(:));
If you want a smooth boundary, you need to use activecontour(), like in my attached demo.
More Answers (0)
Categories
Find more on Object Analysis in Help Center and File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!
