Adaptive enhancement of x-ray images

Details Adaptive enhancement of x-ray images Adaptive enhancement of x-ray images

1988-08-31

1990-07-17

Fields, Carolyn E.

X-ray or gamma ray systems or devices

Electronic circuit

X-ray source power supply

378110, 378112, H05G 134

Patent

active

049425960

ABSTRACT:
The quality of x-ray images is significantly enhanced by adjusting the x-ray system operating parameters in real time during acquisition of x-ray data to take information about the part into account adaptively. X-ray energy, x-ray flux, and integration time can all by varied independently and in combination to improve the signal to noise ratio in the image. The x-ray data from a previous subsection of the image is processed to determine optimum system operating parameters for a next image subsection. x-ray tube voltage is adjusted to change x-ray energy and keep .alpha.L close to 2 over all image subsections. X-ray tube current is adjusted to change x-ray flux and data acquisition integration time is adjusted to keep the signal to noise ratio within limits.

REFERENCES:
patent: 4309614 (1982-01-01), Wagner
patent: 4773087 (1988-09-01), Pleaves

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