Quantitative imaging employing scanning equalization radiography

X-ray or gamma ray systems or devices – Electronic circuit – X-ray source power supply

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378146, H05G 144

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050089145

ABSTRACT:
In a scanning equalization radiography system, a control function similar to the exposure response function of the image sensor is employed, whereby the response of the sensor will be linearly related to the x-ray attenuation of an object being radiographed thereby enabling quantitative measurements to be made directly from the radiograph.

REFERENCES:
patent: 4454606 (1984-06-01), Peelihan
patent: 4857732 (1989-08-01), Shimura et al.
The article "A Scanning System for Chest Radiography with Regional Exposure Control: Theoretical Considerations" by D. B. Plewes, Med. Phys. 10(5) Sep./Oct. 1983, pp. 646-654 is cited on page 1 line 22 for showing seam equalization apparatus.
The article "Amber: A Scanning Multiple-Beam Equalization System for Chest Radiography" by Vlasbloem and Kool, Radiology, Oct. 1988, pp. 29-34 is cited for showing the use of different control curves in seam equalization radiography.
The article "Exposure Equalization Radiography of the Chest: Clinical Comparison of Slit and Raster Scanning Techniques by Wandtke and Plewes" AJR 144, Jun. 1985, pp. 171-181 is cited for showing slit and raster techniques.

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