Methods and apparati for generating optical mattes

Details Methods and apparati for generating optical mattes Methods and apparati for generating optical mattes

1983-08-22

1986-10-28

Hayes, Monroe H.

Optics: motion pictures

Methods

Recording

352 47, 352 89, G03B 1918

Patent

active

046195076

ABSTRACT:
The invention pertains to the art of photography and provides a method of making the optical mattes that are used in making composite photographs. The method consists of transforming an image of an object photographed against an illuminated background into a luminous silhouette of the object on a dark background, diminishing the luminosity contrast within the said silhouette, and recording the result on black-and-white film. The invention includes apparatus necessary to carry out the method.

REFERENCES:
patent: 2866397 (1958-12-01), Gillette
patent: 3155978 (1964-11-01), Seitz
patent: 3521954 (1970-07-01), French
patent: 3680956 (1972-08-01), Custer
patent: 4417791 (1983-11-01), Erland et al.

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