MATLAB: Find area of white part inside red cell

image processingImage Processing Toolbox

I am new to matlab(r2007b) and know basics like read image convert to binary/grayscale. My task is to find the area of white portion inside the red cell. Kindly help.

Best Answer

First find the red. Try the Color Thresholder app on the Apps tab. First you can find white, Then call imclearborder to remove the white background. I have color segmentation demos in my File Exchange: http://www.mathworks.com/matlabcentral/fileexchange/?term=authorid%3A31862