Digital Radiology With A Slit Scan Detector

B. Munier; G. Roziere; P. Prieur-Drevon; H. Rougeot

doi:10.1117/12.953210

1 May 1989 Digital Radiology With A Slit Scan Detector

B. Munier, G. Roziere, P. Prieur-Drevon, H. Rougeot

Proceedings Volume 1090, Medical Imaging III: Image Formation; (1989) https://doi.org/10.1117/12.953210
Event: Medical Imaging III, 1989, Newport Beach, CA, United States

Abstract

Linear solid state X-ray detectors are used to produce digital images. The detectors produce the X-ray image line by line as the patient is scanned with a narrow X-ray beam. One of the decisive advantages of this principle of imaging is that it rejects scattered radiation. This translates to an increase in image contrast. The main functions of a solid state X-ray detector are : image detection ; signal multiplexing ; DC offset and gain calibration. The output signal is a digital signal coded on 8 bits or 12 bits. The dynamic range is 4000:1. The avantages of solid state linear detectors are : large field of view (for example 18") ; high contrast ; direct digital output ; high dynamic range. Multilinear detectors will be described. They integrate a TDI function (time delay and integration) in synchronism with the scanning.

Citation Download Citation

B. Munier, G. Roziere, P. Prieur-Drevon, and H. Rougeot "Digital Radiology With A Slit Scan Detector", Proc. SPIE 1090, Medical Imaging III: Image Formation, (1 May 1989); https://doi.org/10.1117/12.953210

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