X-ray diagnostic apparatus

Details X-ray diagnostic apparatus X-ray diagnostic apparatus

1984-01-31

1987-03-24

Howell, Janice A.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378 86, 378 87, G01N 2300, G21K 112

Patent

active

046530800

ABSTRACT:
An X-ray diagnostic apparatus comprises, an X-ray radiation source for generating an X-ray and projecting the same toward an object, an X-ray detector for detecting the X-ray which has transmitted through the object to derive a total X-ray intensity signal of the object including a primary X-ray signal component and a scattered X-ray signal component, a signal processor which processes the X-ray intensity signal detected from the X-ray detector in such a manner that a scattered X-ray intensity distribution which is pre-calculated based upon the X-ray intensity signal is eliminated from an X-ray intensity distribution obtained from the X-ray intensity signal so as to derive a distribution function of the primary X-ray signal component without adverse influences on the scattered X-ray signal component, and a monitor for displaying a distribution from based upon the distribution function of the primary X-ray signal component.

REFERENCES:
patent: 4081681 (1978-03-01), Froggatt
patent: 4114041 (1978-09-01), Oliver
patent: 4149249 (1979-04-01), Pavkovich
patent: 4217641 (1980-08-01), Naparstek
patent: 4223384 (1980-09-01), Hounsfield et al.
patent: 4468697 (1984-08-01), Verhoeven
patent: 4549307 (1985-10-01), Macovski

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