Device for differential image determination

Details Device for differential image determination Device for differential image determination

1980-07-02

1982-09-21

Britton, Howard

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

364515, 364724, H04N 718

Patent

active

043509983

ABSTRACT:
A real-time image processing device having only one image memory. Consecutive images are sequentially fed in digital form to a recursive filter. The memory is employed in the recursive filter as a "delay element", as result of which noise integration and differential image determination between consecutive images take place.

REFERENCES:
patent: 4149259 (1979-04-01), Kowalski
patent: 4228465 (1980-10-01), Stone
Optical Engineering, vol. 17, No. 6, Nov.-Dec. 1978, pp. 652-657, R. A. Kruger et al., "A Digital Video Image Processor for Real-Time X-Ray Subtraction Imaging".

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