Kay Ajayi-
> 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
> directly.
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.
-Jeff