Optical: systems and elements – Relief illusion
Patent
1993-09-07
1996-09-24
Sugarman, Scott J.
Optical: systems and elements
Relief illusion
351 44, 351 45, 359462, 359464, G02B 2722, G02C 710
Patent
active
055596320
ABSTRACT:
Improved methods for 3-D motion picture, video or video game images with a one camera system. When a scene is photographed using this system to create 3-D, the scene must be lit so that the midground light intensity is approximately 50% greater than the intensity on the foreground and the background light intensity is approximately double that of the foreground with some subjects in the scene being backlit as well. The scene is photographed by a movable video or motion picture camera moving about the scene at a constant angular velocity in the range of 25-60 degrees per second. Additional cameras photograph the scene from fixed locations spaced approximately 120 degrees apart about the scene. When editing the 3-D film or video tape a method is used to alleviate dizziness by inserting approximately 5-40 seconds of the flat shots from said fixed locations between segments of 3-25 seconds of film or video shot by said moving camera and providing viewing glasses having lenses, one of metallized (mirrored) plastic film creating a silvered effect, void of spectral peaks and of color absorption across all wavelengths, and which gives the lens a neutral density in the range of 0.5 to 2.0; and one lens formed of clear film which provides 100% light transmission when viewing through it.
REFERENCES:
patent: 4893898 (1990-01-01), Beard
patent: 5144344 (1992-09-01), Takahashi et al.
Lawrence John
Lukens Linda S.
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