X-Ray diagnostic installation

Details X-Ray diagnostic installation X-Ray diagnostic installation

1982-05-17

1984-05-08

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

364414, 378 99, H04N 718

Patent

active

044478275

ABSTRACT:
An exemplary embodiment has the purpose of representation of margins of organs, and comprises a television pickup system, a first image memory, a difference stage for providing subtraction images through difference formation from the stored and the current video signal, and a monitor. Connected with the output of the difference stage is an adder which is connected with a second image memory whose output signal is supplied to the adder so that, in the second image memory, the image point data of the difference stage is summed up. The output signal of the second image memory is supplied to the monitor. The circuit disposed between the first image memory and the adder is so designed that it forms the absolute values (.vertline.A.vertline.) of the image point data from the difference stage.

REFERENCES:
patent: 4367490 (1983-01-01), Riederer
patent: 4398213 (1983-08-01), Haendle

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