Device for differential image determination

Details Device for differential image determination Device for differential image determination

H - Electricity

05

G

354/68, 358/11.2

H05G 1/64 (2006.01) G06T 5/50 (2006.01) H04N 5/32 (2006.01)

Patent

CA 1150859

PHN 9538 9 9-6-1980 ABSTRACT: "A device for differential image determination." The invention relates to real-time (X-ray image) signal processing with which it is necessary to have only one memory with a capacity for one X-ray image. Via an X-ray image intensifier-TV chain consecutive X-ray 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 a. noise integration and b. differential image determination between consecutive images take place.

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