24
Structured Light
3D Computation
3D data can also be derived using
•   a single camera
•
•   a light source that can produce
     stripe(s) on  the 3D object
light
source
x axis
f
(x´,y´,f)
3D point
(x, y, z)
q
b
                       b
[x y z] = --------------- [x´ y´ f]
                 f cot q - x´
(0,0,0)
3D
image