Method and system for compensating for image distortion caused b

Details Method and system for compensating for image distortion caused b Method and system for compensating for image distortion caused b

1993-03-31

1995-11-07

Groody, James J.

Television

Video display

Projection device

348745, 348181, 348184, H04N 574

Patent

active

054651212

ABSTRACT:
A method and system in a data processing system for modifying an image source data file to compensate for distortions resulting from a projection of an image source onto a surface that is not perpendicular to an image source projection system. A data processing system image source data file is identified and a test pattern is displayed utilizing a data processing system visual output device. A user is permitted to enter a distortion compensation factor, the displayed test pattern is modified utilizing the distortion compensation factor. Once a final distortion compensation factor is selected in response to the appearance of the modified test pattern, the data processing system image source data file is modified, utilizing the selected distortion compensation factor, thereby enhancing the projection of an image source onto a surface that is not perpendicular to an image source projection system.

REFERENCES:
patent: 4490652 (1984-12-01), Beck
patent: 5200815 (1993-04-01), Tsujihara et al.
patent: 5231481 (1993-07-01), Eouzan et al.
patent: 5298985 (1994-03-01), Tsujihara et al.
IBM Technical Disc. Bulletin Nov. 1970, L. E. Ambrico "CRT Distortion Correction Circuit".

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