Automatic keystone correction system and method

Computer graphics processing and selective visual display system – Plural display systems – Tiling or modular adjacent displays

Reexamination Certificate

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Reexamination Certificate

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07609228

ABSTRACT:
The invention relates to an automatic keystone correction system and method. The system includes a projection means to project an image on a projection surface and a means for selecting a maximally distorted corner on the image. And the system includes means for moving the maximally distorted corner from a first to a second position and means for distorting image data responsive to the moving.

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