Image processing system

Details Image processing system Image processing system

1978-06-27

1979-11-27

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

235 92PC, H04N 702

Patent

active

041763769

ABSTRACT:
An image processing system converts gradation data of an image signal from a television camera into a digital code and transfers it to a computer. In the image processing system suitable means slice a portion which contains data of the image signal at a given level, means quantize a signal waveform obtained by the slice means, means count how many numbers of pulses obtained by the quantizing means at a given portion of one horizontal scan during each horizontal scan, and means for transfer counted values of the counting means to the computer at every completion of one horizontal scan.

REFERENCES:
patent: 3579249 (1971-05-01), Dewey et al.
patent: 3674926 (1972-07-01), Dewey et al.
patent: 3811036 (1974-05-01), Perry
patent: 3978324 (1976-08-01), Rayner

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