Help remove unconnected small pixel from image
3 views (last 30 days)
Show older comments
MOHAMMAD AZRUL AIMAN
on 4 Jan 2021
Answered: Image Analyst
on 8 Jun 2022
Hello, maybe this question have been ask from other people, but i not fully understand how this code work. when i combine with my code it appear "index exceeds the number of array element" . can u help fix my code and help me understand the function
0 Comments
Accepted Answer
Uday Pradhan
on 7 Jan 2021
Hi,
I found the mistake at line 132 of the code you have attached. If you notice, grayImage is already a binary image so thresholding it this way, will lead to binaryImage being a logical array with only zeros, hence the error.
% Threshold the image to binarize it.
binaryImage = grayImage > 100;
I believe you can just take:
% Threshold the image to binarize it.
binaryImage = grayImage ;
and then run the code to get the largest extracted blob. I hope this helps!
More Answers (1)
Image Analyst
on 8 Jun 2022
You can now use bwareafilt instead of that ExtractNLargestBlobs() function I wrote (before bwareafilt was available) that you are using.
largestBlob = bwareafilt(binaryImage, 1); % Take largest blob only.
0 Comments
See Also
Products
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!