Method for the operation of a digital imaging system of an X-ray

Details Method for the operation of a digital imaging system of an X-ray Method for the operation of a digital imaging system of an X-ray

1996-07-16

1997-04-01

Wong, Don

X-ray or gamma ray systems or devices

Electronic circuit

With display or signaling

378 9812, H05G 164

Patent

active

056174616

ABSTRACT:
In a method for the operation of a digital imaging system of an X-ray diagnostic apparatus having an X-ray unit for the generation of X-ray images, an X-ray image converter-television chain for the acquisition of the X-ray images, the chain including a digital image converter having image points arranged in matrix form in rows and columns and a monitor for the reproduction of the X-ray images processed by the digital imaging system. Defective image points are recognized by converting at least one calibration image into a filter image by highpass filtering, e.g. a median filtering, and the filter image is subjected to defect determination, so that a defect image is obtained. The defect image is used for the correction of an original image.

REFERENCES:
patent: 4752944 (1988-06-01), Conrads et al.
patent: 5047861 (1991-09-01), Houchi et al.
patent: 5438604 (1995-08-01), Horbaschek
patent: 5550888 (1996-08-01), Neitzel et al.

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