Projection system

Optics: image projectors – Composite projected image – Multicolor picture

Reexamination Certificate

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Details

C353S069000, C353S070000, C353S101000, C353S121000

Reexamination Certificate

active

07144115

ABSTRACT:
An image projector that modifies projected images. An imaging device preferably senses information about a projection screen upon which an image is projected. Based on the sensed information about the projection screen, the projector modifies the image in a desired manner, such as rescaling, or correcting distortion in, the projected image.

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Sukthankar, Rahul,, Stockton, Robert G., Mullin, Matthew D., “Smarter Presentations: Exploiting Homography in Camera-Proejctor System,” articles appears in Proceedings of Internation Conference on Computer Vision, 2001 and consists of 7 pages.
Raskar, Ramesh and Beardsley, Paul, “A Self Correction Projector,” IEEE Computer Vision and Pattern Recognition (CVPR) 2001, Hawaii, Dec. 2001, consisting of 5 pages.

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