Additive color means for the calibration of stereoscopic project

Details Additive color means for the calibration of stereoscopic project Additive color means for the calibration of stereoscopic project

1981-08-24

1984-09-18

Hayes, Monroe H.

Optics: motion pictures

Stereoscopic cameras and/or projectors

352 41, 352 42, G03B 3500

Patent

active

044720378

ABSTRACT:
Right and left projected image fields of stereoscopic images must have even illumination. If audiences are subjected to uneven illumination intensity of right and left pairs of stereoscopic images, the result for most people will be discomfort. Complimentary colored filters are used in the optical paths of the right and left projected fields, and the resultant additive color mixture is used for evaluation of symmetrical illumination. A means is thus presented for quickly, accurately, and inexpensively calibrating right and left image fields for both equal and even illumination intensity.

REFERENCES:
patent: 1192876 (1916-08-01), Ebeling
patent: 1232504 (1917-07-01), Comstock
patent: 1880026 (1932-09-01), Singerman
patent: 1953958 (1934-04-01), Gilmore
patent: 1985471 (1934-12-01), Thomas
patent: 3402637 (1968-09-01), Durst

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