i have to extract a rectangular region from an image which contains white and skin regions...i need to get height and width of the pixels which fall into skin region and i need to transform the skin regon into another image....can any one help mee...

i have to extract a rectangular region from an image which contains white and skin regions...i need to get height and width of the pixels which fall into skin region and i need to transform the skin regon into another image....can any one help mee....

Answer 1

[vijay sai]

identify the range of pixel values form image using the imshow window...and then use submatrix to get the range of values..

[BALIREDDY]

thank u Mr.Vijay sai for your answer...i need to extract the top most skin pixel and bottom pixel in an image obtained after extracting skin regions in it how can i do it more effectively?

[vijay sai]

then segmentation is the only way as Mr.Image Analyst said..

Answer 2

[Image Analyst]

See my color segmentation demos: http://www.mathworks.com/matlabcentral/fileexchange/?term=authorid%3A31862. Also see the image segmentation demo on that page to see how you can crop out segmented areas to separate, new images.