Stray radiation correcting method for X-ray imaging system, involves logarithmizing measuring signal of X-ray detector, subtracting correction values from signal, and identifying stray radiation signal during radiography of object

摘要

The method involves digitalizing and logarithmizing a measuring signal of an X-ray detector, which receives radiography of an examination object. Correction values are subtracted from the logarithmized measuring signal, and are obtained from a series expansion of a logarithm. A predetermined stray radiation signal is identified during radiography of an examination object. The correction values are selected from a look-up table. An independent claim is also included for an X-ray imaging system comprising an X-ray source.