Exposure control on the basis of a relevant part of an X-ray ima

Details Exposure control on the basis of a relevant part of an X-ray ima Exposure control on the basis of a relevant part of an X-ray ima

1998-04-16

2000-07-04

Porta, David P.

X-ray or gamma ray systems or devices

Electronic circuit

With display or signaling

378 97, 378 988, 378108, H05G 164

Patent

active

060849401

ABSTRACT:
An X-ray examination apparatus according to the present invention includes an X-ray detector for deriving an image signal from an X-ray image, and an exposure control system for adjustment of the X-ray examination apparatus on the basis of a relevant part of the X-ray image. The exposure control system is arranged to group pixels of the X-ray image in one or more clusters on the basis of their brightness values and to select the relevant part of the X-ray image from the clusters.

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Concise guide Systems and Components, The BV300 Series, Mobile C-Arm Systems for Universal and Advanced Applications, Philips Medical Systems International B.V. 1997.

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