Area covered by the pixel
Thanks for your usual help.
> I've an image read into matlab as matrix.I'll like to determine
> the area covered by the pixels of certain value. I
> don't have image toolbox processing. I'll like do the coding
Can't you just count all the values in the matrix that are equal to what you want?
For an image, "area" depends on what hardware and how the image is rendered. I think it's called "dot pitch"... and
from that you could get mm2 or other actual area-per-pixel figure, then just sum.