Search Results - "Fountos, G. P."

On the response of a europium doped phosphor-coated CMOS digital imaging detector by Seferis, I.E., Michail, C.M., Valais, I.G., Fountos, G.P., Kalyvas, N.I., Stromatia, F., Oikonomou, G., Kandarakis, I.S., Panayiotakis, G.S.

“…The purpose of the present study was to assess the information content of a high resolution active pixel CMOS imaging sensor coupled to Gd2O2S:Eu phosphor…”
Get full text

Light emission efficiency and imaging performance of Gd2O2S:Eu powder scintillator under x‐ray radiography conditions by Michail, C. M., Fountos, G. P., Liaparinos, P. F., Kalyvas, N. E., Valais, I., Kandarakis, I. S., Panayiotakis, G. S.

“…Purpose To evaluate Gd2O2S:Eu powder phosphor as a radiographic image receptor and to compare it to phosphors often used in radiography. Gd2O2S:Eu is…”
Get full text

A novel easy-to-use phantom for the determination of MTF in SPECT scanners by Fountos, G. P., Michail, C. M., Zanglis, A., Samartzis, A., Martini, N., Koukou, V., Kalatzis, I., Kandarakis, I. S.

“…Purpose: To evaluate modulation transfer function (MTF) in single photon emission computed tomography (SPECT) systems using the line spread function (LSF)…”
Get full text

Evaluation of the Red Emitting \!\!:\!\! Powder Scintillator for Use in Indirect X-Ray Digital Mammography Detectors by Michail, C. M., Fountos, G. P., Valais, I. G., Kalyvas, N. I., Liaparinos, P. F., Kandarakis, I. S., Panayiotakis, G. S.

“…The aim of the present study was to investigate the imaging transfer characteristics and the luminescence efficiency (XLE) of Gd 2 O 2 S:Eu powder scintillator…”
Get full text

Experimental and Theoretical Evaluation of a High Resolution CMOS Based Detector Under X-Ray Imaging Conditions by Michail, C M, Spyropoulou, V A, Fountos, G P, Kalyvas, N I, Valais, I G, Kandarakis, I S, Panayiotakis, G S

“…Fundamental imaging performance in terms of Modulation Transfer Function (MTF), Noise Power Spectrum (NPS) and Detective Quantum Efficiency (DQE) was…”
Get full text

A novel easy-to-use phantom for the determination of MTF in SPECT scanners: Novel MTF SPECT phantom by Fountos, G. P., Michail, C. M., Zanglis, A., Samartzis, A., Martini, N., Koukou, V., Kalatzis, I., Kandarakis, I. S.

Get full text

Light emission efficiency and imaging performance of Gd 2 O 2 S : Eu powder scintillator under x-ray radiography conditions by Michail, C. M., Fountos, G. P., Liaparinos, P. F., Kalyvas, N. E., Valais, I., Kandarakis, I. S., Panayiotakis, G. S.

“…Purpose: To evaluate Gd 2 O 2 S : Eu powder phosphor as a radiographic image receptor and to compare it to phosphors often used in radiography. Gd 2 O 2 S : Eu…”
Get full text

Light emission efficiency and imaging performance of powder scintillator under x‐ray radiography conditions by Michail, C. M., Fountos, G. P., Liaparinos, P. F., Kalyvas, N. E., Valais, I., Kandarakis, I. S., Panayiotakis, G. S.

Get full text

Light emission efficiency and imaging performance of Gd{sub 2}O{sub 2}S:Eu powder scintillator under x-ray radiography conditions by Michail, C. M., Fountos, G. P., Liaparinos, P. F., Kalyvas, N. E., Valais, I., Kandarakis, I. S., Panayiotakis, G. S., Department of Medical Instruments Technology, Technological Educational Institute, 122 10 Athens, Department of Medical Physics, Faculty of Medicine, University of Patras, 265 00 Patras

“…Purpose: To evaluate Gd{sub 2}O{sub 2}S:Eu powder phosphor as a radiographic image receptor and to compare it to phosphors often used in radiography. Gd{sub…”
Get full text

Light Emission Efficiency of rm Gd 2 rm O 2 rm S ! ! ! : ! ! ! rm Eu (GOS:Eu) Powder Screens Under X-Ray Mammography Conditions by Michail, C M, Valais, I G, Toutountzis, A E, Kalyvas, N E, Fountos, G P, David, S L, Kandarakis, I S, Panayiotakis, G S

“…The aim of this study was to examine Gd sub(2)O sub(2)S:Eu (also known as GOS:Eu) powder scintillator under X-ray mammography imaging conditions. For this…”
Get full text

Thin substrate powder scintillator screens for use in digital X-ray medical imaging applications by Valais, I. G., Fountos, G. P., Michail, C. M., Seferis, I., Kalyvas, N. I., Mytafidis, A. K., Kandarakis, I. S., Panayiotakis, G. S.

“…The aim of the present study is to investigate the absolute luminescence efficiency (AE) and the effective luminescence efficiency (EE) of thin substrate Gd 2…”
Get full text

Imaging performance of a high resolution CMOS sensor under Mammographic and Radiographic conditions by Michail, C M, Spyropoulou, V B, Fountos, G P, Kalyvas, N E, Mytafidis, A K, Valais, I G, Kandarakis, I S, Panayiotakis, G S

“…The fundamental imaging performance in terms of Modulation Transfer Function (MTF), Noise Power Spectrum (NPS) and Detective Quantum Efficiency (DQE) was…”
Get full text