Apparatus and method for imaging a body

Details Apparatus and method for imaging a body Apparatus and method for imaging a body

1982-01-25

1987-06-30

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358166, 364724, H04N 532

Patent

active

046774785

ABSTRACT:
The disclosure is directed to an improved method and apparatus for obtaining a processed image of a body. In accordance with the disclosed method, a bolus of contrast medium is injected into the body, and the body is irradiated. Radiation which passes through the body is detected and converted into an electronic video signal. The generated video signal is then filtered with a filter function having a temporal frequency response that has a single bandpass peak at a temporal frequency substantially corresponding to the temporal frequency of the movement of the bolus of contrast material through a region of the body. The filtered signal can then be displayed and/or recorded.

REFERENCES:
patent: 4350998 (1982-09-01), Verhoeven
patent: 4394684 (1983-07-01), Verhoeven
R. A. Kruger, "A Digital Video Image Processor for Real Time X-Ray Subtraction Imaging", Optical Engineering/vol. 17, No. 6 (Nov.-Dec. 1978).

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