Interventional radiologists and staff members, during all their professional activities, are frequently exposed to protracted low doses of ionizing radiation. The authors present a novel approach to perform on line monitoring of the staff during interventional procedures by using a device based on a CMOS Active Pixel Sensor (APS). The sensor performance as an X–ray radiation detector has been evaluated with a dedicated experimental set-up and dosimetric observables have been assessed from the frames acquired by the sensor using a purposely designed algorithm. A data reduction strategy has also been implemented without significant loss of the performances. Finally a linear correlation with dosimetric measurements made using TLDs has been verified.
Study of Dosimetric Observables to be used in Active Pixel Sensor based devices for Interventional Radiology Applications
BISSI, LUCIA;PLACIDI, Pisana;CONTI, ELIA;SCORZONI, Andrea;
2013
Abstract
Interventional radiologists and staff members, during all their professional activities, are frequently exposed to protracted low doses of ionizing radiation. The authors present a novel approach to perform on line monitoring of the staff during interventional procedures by using a device based on a CMOS Active Pixel Sensor (APS). The sensor performance as an X–ray radiation detector has been evaluated with a dedicated experimental set-up and dosimetric observables have been assessed from the frames acquired by the sensor using a purposely designed algorithm. A data reduction strategy has also been implemented without significant loss of the performances. Finally a linear correlation with dosimetric measurements made using TLDs has been verified.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
