Device for and method of x-ray image processing

Details Device for and method of x-ray image processing Device for and method of x-ray image processing

A - Human Necessities

61

B

358/11.2

A61B 6/00 (2006.01) G01N 23/225 (2006.01) H04N 5/32 (2006.01) H05G 1/64 (2006.01)

Patent

CA 1205217

16 ABSTRACT: A device for and a method of X-ray image pro- cessing in which a constant adjustable signal value is subtracted from a video signal of an X-ray image in order to correct the video signal for the effects of inherent scatter. The adjustable signal value depends on the X-ray tube voltage, the nature of the object to be examined, the field size etc. so that it is preferably dependent on the X-ray exposure parameters. The video signal is preferably converted into a logarithmic value by means of a logarith- mic table which is dependent on the adjustable signal value (or on the actual exposure parameters).

430052

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