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ISBI
2008
IEEE
16 years 8 months ago
Monte Carlo assessment of time-of-flight benefits on the LYSO-based discovery RX PET/CT scanner
Time-Of-Flight (TOF) positron emission tomography (PET) was studied and preliminarily developed in the 80s, but the lack of a scintillator able to deliver proper time resolution a...
Parham Geramifar, Mohammad Reza Ay, Mojtaba Shamsa...
ISBI
2008
IEEE
16 years 1 months ago
Comparative assessment of different energy mapping methods for generation of 511-keV attenuation map from CT images in PET/CT sy
The use of X-ray CT images for CT-based attenuation correction (CTAC) of PET data results in the decrease of overall scanning time and creates a noise-free attenuation map (μmap)...
Maryam Shirmohammad, Mohammad Reza Ay, Saeed Sarka...
ICWE
2003
Springer
16 years 12 days ago
Semi-automatic Assessment Process in a Ubiquitous Environment for Language Learning
This work presents a research on the methods and mechanisms necessary to bring the Information and Communication Technologies in the traditional classroom. This will be achieved by...
Maximiliano Paredes, Manuel Ortega, Pedro P. S&aac...
NIXDORF
1992
116views Hardware» more  NIXDORF 1992»
15 years 11 months ago
Programmable Active Memories: A Performance Assessment
We present some quantitative performance measurements for the computing power of Programmable Active Memories (PAM), as introduced by [2]. Based on Field Programmable Gate Array (...
Patrice Bertin, Didier Roncin, Jean Vuillemin
ICEGOV
2007
ACM
15 years 11 months ago
Formal threat descriptions for enhancing governmental risk assessment
Compared to the last decades, we have recently seen more and more governmental applications which are provided via the Internet directly to the citizens. Due to the long history o...
Andreas Ekelhart, Stefan Fenz, Thomas Neubauer, Ed...