How can I perform connected component analysis on an image ?

After color to gray and gray to binary conversion of image I want to do connected component analysis on the same image.

Answer 1

[Walter Roberson]

http://www.mathworks.com/help/images/ref/bwconncomp.html

http://www.mathworks.com/help/images/ref/bwlabel.html

http://www.mathworks.com/help/images/ref/regionprops.html

Answer 2

[Image Analyst]

Basically it's

[labeledImage, numberOfBlobs] = bwlabel(binaryImage);

or

cc = bwconncomp(binaryImage);

See my Image Segmentation Tutorial for a tutorial on how to use it.

http://www.mathworks.com/matlabcentral/fileexchange/?term=authorid%3A31862