Continuously sweeping multiple-pass image acquisition system for

Details Continuously sweeping multiple-pass image acquisition system for Continuously sweeping multiple-pass image acquisition system for

1990-01-29

1991-02-19

Howell, Janice A.

X-ray or gamma ray systems or devices

Electronic circuit

Exposure timer

378 4, 378 62, 358111, H05G 164, A61B 600, H04N 532

Patent

active

049950649

ABSTRACT:
In an X-ray imaging system, images of a moving bolus of contrast medium are acquired by the emission of X-ray radiation pulses through an object to be imaged while controlling the longitudinal movement of an X-ray imaging device of said system in a continuously sweeping manner over said object. For limiting motion induced blur in the acquired images to an acceptable level, X-ray exposure values are developed which limit the duration of the X-ray pulses so that they do not exceed a predetermined maximum duration. In a preferred embodiment mutliple passes of the imaging device are made over the object.

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Proceedings of SPIE, papers presented Jan. 29-31, 1989, D. Wilson et al., vol. 1091, Medical Imaging III: Image Capture and Display (1989), pp. 356-362.

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