Flexible image acquisition and processing system

Details Flexible image acquisition and processing system Flexible image acquisition and processing system

1986-11-26

1989-04-11

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

382 52, H04M 140

Patent

active

048211087

ABSTRACT:
A flexible image acquisition and process system comprising photosensor means supplying analogue output signals for compensating and digital conversion means for supplying digital output signals representing the image; timing means for controlling scanning of the photosensor means; means for performing two-dimensional convolutions of data representing the images; and system operating phase control means. The main characteristic of the aforementioned system consists in the fact that the control means comprise a processing unit for calculating first compensating values for standardizing to a given value the analogue output signals for single photoelements on the aforementioned photosensor means under dark conditions, and for calculating second conpensating values for standardizing the output signals for the aforementioned single photoelements on the aforementioned photosensor means under normal lighting conditions of the scene defining the aforementioned images, the aforementioned first and second compensating values being stored in a non-volatile memory on the aforementioned control means; and in the fact that the aforementioned control means are also designed for selecting and modifying the operating coefficients employed by the convoluting means.

REFERENCES:
patent: 4174528 (1979-11-01), White
patent: 4520395 (1985-05-01), Abe
patent: 4567527 (1986-01-01), Yokomizo

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