Image pickup system for reproducing image data using sensitivity

Details Image pickup system for reproducing image data using sensitivity Image pickup system for reproducing image data using sensitivity

1993-10-22

1995-09-12

Kostak, Victor R.

Television

Camera, system and detail

Combined image signal generator and general image signal...

348222, H04N 904

Patent

active

054501288

ABSTRACT:
In a sensitivity function measuring unit, a CMD for picking up a beam from a light source is arranged through a photographic lens and a liquid crystal lens. A preamplifier, an A/D converter, a subtractor, a sensitivity function memory, a compressor, and R, G, and B sensitivity function memories are sequentially connected to the CMD through a switching circuit. An image reproducing unit for reproducing an original image using a sensitivity function calculated by the sensitivity function measuring unit is connected to a calculator for calculating a reproduced image, a frame memory for storing an image signal picked up by the CMD, and calculators for calculating sensitivity functions stored in the sensitivity function memories. The image reproducing unit is also connected to a display unit.

REFERENCES:
patent: 3595990 (1971-07-01), Washburn
patent: 4602291 (1986-07-01), Temes
patent: 4622584 (1986-11-01), Nagasaki et al.
patent: 4768876 (1988-09-01), Okino
patent: 4870493 (1989-09-01), Izawa et al.
patent: 4922334 (1990-05-01), Hashimoto et al.
patent: 4987482 (1991-01-01), Imai
patent: 5040068 (1991-08-01), Parulski et al.
Fundamentals of Digital Image Processing, by Anil K. Jain, Prentice-Hall International Editions, pp. 275-277 and 299-304.

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