How do I find the area of a binary image?

1 view (last 30 days)
Heejin Kim
Heejin Kim on 2 Jul 2015
Answered: Image Analyst on 2 Jul 2015
Hi, I need to find the area of this image (around the outer edge). Anyone got an idea? Thanks!!!!!

Sign in to answer this question.

Accepted Answer

Image Analyst
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 Image Processing Toolbox in Help Center and File Exchange

Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!