Woodbridge & Associates, P.C.
Optical blending for multi-projector display wall systems
A multi-projector video wall system employs a blending frame to blend the overlapping portions of two adjacent images I1 and I2. The blending frame is preferably located a distance Dframe from the aperture of the projector and has an optimal half frame width Wf from the axis of the lens of the projector. A camera-based feedback loop can be employed to fine-tune the optical blending by digitally altering the image source.
Princeton University
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Timothy YuQun Kai
Housel Chen Li