Optical Gaussian convolvers

Details Optical Gaussian convolvers Optical Gaussian convolvers

1986-06-03

1988-06-07

Fleming, Michael R.

Boots, shoes, and leggings

364819, G06G 900

Patent

active

047501480

ABSTRACT:
The variable Gaussian convolution of an optical image is performed using a transparency, a focusing lens, a TV camera and a mechanism which moves the camera. The transparency has pattern inscribed on it which diffracts the light of the image with a Gaussian function of radius. The focusing lens receives the diffracted image from the transparency and focuses it. The camera receives the Gaussian convolution of the optical image from the focusing lens by being initially positioned along the optical axis of the lens at the focal length of the lens. As the camera is shifted to variable positions by the mechanism, the size of the Gaussian function increases as the camera is moved towards the lens, and is decreased as the camera is moved away from the lens.

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patent: 4695973 (1987-09-01), Yu

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