Anything that will prevent the retroreflectivity of the plate may help. Look into privacy screens, or "anti-peep films".
Edit: Also look into polarizing film. I wonder if the camera is at too much of an angle the photons may not return to the camera.
Anything that will prevent the retroreflectivity of the plate may help. Look into privacy screens, or "anti-peep films".
Edit: Also look into polarizing film. I wonder if the camera is at too much of an angle the photons may not return to the camera.
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