Title :
Signal-to-noise measurements utilizing a novel dual-energy multimedia detector
Author :
Giakos, G.C. ; Chowdhury, S. ; Shah, N. ; Vedantham, Srinivasan ; Passerini, A.G. ; Suryanarayanan, Sankararaman ; Nemer, R. ; Mehta, K. ; Patnekar, N. ; Sumrain, S. ; Nataraj, K. ; Scheiber, Christian
Author_Institution :
Dept. of Biomed. Eng., Akron Univ., OH, USA
fDate :
8/1/2001 12:00:00 AM
Abstract :
Dual-energy measurements are presented utilizing a novel slot-scan digital radiographic imaging detector, operating on gaseous solid state ionization principles. The novel multimedia detector has two basic functional components: a noble gas-filled detector volume operating on gas microstrip principles, and a solid state detector volume. The purpose of this study is to investigate the potential use of this multimedia detector for enhanced dual-energy imaging. The experimental results indicate that the multimedia detector exhibits a large subtracted signal-to-noise ratio. Although the intrinsic merit of this device is being explored for medical imaging, potential applications of the multimedia detector technology In other industrial areas, such as aerospace imaging, aviation security, and surveillance, are also very promising
Keywords :
X-ray apparatus; X-ray detection; X-ray imaging; biomedical equipment; diagnostic radiography; ionisation chambers; radiography; semiconductor counters; X-ray imaging; aerospace imaging; aviation security; dual-energy measurements; dual-energy multimedia detector; enhanced dual-energy imaging; gas microstrip principle; gaseous solid state ionization principles; large subtracted signal-to-noise ratio; medical imaging; noble gas-filled detector volume; semiconductor detector; signal-to-noise measurements; slot-scan digital radiographic imaging; solid state detector volume; surveillance; Aerospace industry; Biomedical imaging; Detectors; Ionization; Medical signal detection; Microstrip components; Radiography; Security; Signal to noise ratio; Solid state circuits;
Journal_Title :
Instrumentation and Measurement, IEEE Transactions on