I'm working on a computer vision problem. Do short throw projectors
distort differently than long throw projectors?
Is the correction formula different? The short throw is a BENQ TH671ST,
the long throw is a Viewsonic PJD7828HDL.
I need a conversion constant to go from camera pixels to projector
pixels, a pixels per inch value. The calibration
camera is 5.0mp.
Do I need more information to get the constant I seek? Camera make and
model?
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