method and device for the adjustment of imaging values in a pano

Details method and device for the adjustment of imaging values in a pano method and device for the adjustment of imaging values in a pano

1995-07-06

1996-06-18

Wong, Don

X-ray or gamma ray systems or devices

Specific application

Mammography

378 987, 378 988, H05G 164

Patent

active

055286453

ABSTRACT:
The invention relates to a method and an apparatus for the adjustment of imaging values in a panoramic x-ray imaging apparatus. The imaging device comprises a CCD detector which is manipulated in such a manner that the domains to be imaged in an examined object are the first to fall in line with a serial register included in the edge of the CCD detector. The measuring information received from the serial register is used as preliminary information about an intensity received on the image field and this information is used as a basis for the adjustment of imaging values for optimizing the signal-to-noise ratio of the CCD detector.

REFERENCES:
patent: 5142557 (1992-08-01), Toker et al.
patent: 5315631 (1994-05-01), Hillen et al.
patent: 5461658 (1995-10-01), Joosten
Charge-coupled device detector: Performance considerations and potential for small-field mammographic imaging applications--Med. Phys., vol. 19, No. 4, Jul./Aug. 1992, pp. 1015-1023, Karellas et al.

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