Chernoff, Vilhauer, McClung & Stenzel
Projection system that adjusts for keystoning
A system for adjusting keystoning in a projector may include sensing using an imaging device at least two boundaries defining a projection screen and determining a transformation to adjust the keystoning of an image projected from the projector. The image may be modified from the projector in accordance with the transformation and projecting the modified image from the projector, wherein the imaging device and the projector are maintained in a fixed relationship with respect to each other.
Sharp Laboratories of America, Inc.
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H04N G03B G03B G03B G02B
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Kazuya Toshinori Ryohichi Shigeru Baoxin
Arakawa Furuhashi Yonezawa Kojima Li