I want to find out the surface area of tree (only green part) using stereo vision. I know stereo vision and using the same I got the (X,Y,Z) values of tree, (of course one side only) (file is attached). I used delaunay function to calculate area but the problem is that I have some negative values of X and Y which cause error in surface area. How I can get the correct value of surface area using stereo vision?
It will be good if I can calculate volume also.