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Does not work. Just returns zeros. I used
on a 3D graph. All three points were (0,0,0).
For those who have problems using it, here is an example of how to launch it (eye.jpg is a 480x360 image of an eye):
[ci,cp,out] = thresh(eye,50,400);
Do the job
What everyone should use (even just partially) to quickly and nicely make their templates.