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ISBI
2008
IEEE
16 years 7 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...
VLSID
2006
IEEE
240views VLSI» more  VLSID 2006»
16 years 7 months ago
An Efficient and Accurate Logarithmic Multiplier Based on Operand Decomposition
Logarithmic Number Systems (LNS) offer a viable alternative in terms of area, delay and power to binary number systems for multiplication and division operations in signal process...
Venkataraman Mahalingam, N. Ranganathan
IEEEIAS
2007
IEEE
16 years 29 days ago
An LSB Data Hiding Technique Using Prime Numbers
In this paper, a novel data hiding technique is proposed, as an improvement over the Fibonacci LSB data-hiding technique proposed by Battisti et al. [1]. First we mathematically m...
Sandipan Dey, Ajith Abraham, Sugata Sanyal
MM
2004
ACM
104views Multimedia» more  MM 2004»
16 years 3 days ago
A robust and accumulator-free ellipse hough transform
The ellipse Hough transform (EHT) is a widely-used technique. Most of the previous modifications to the standard EHT improved either the voting procedure that computes the absolut...
Xinguo Yu, Hon Wai Leong, Changsheng Xu, Qi Tian
HICSS
2002
IEEE
109views Biometrics» more  HICSS 2002»
15 years 11 months ago
Supporting Group-to-Group Collaboration in Videoconferences
This paper describes our experiences in an ongoing collaboration between our research group in Palo Alto and a similar group in Japan. The collaboration is based on semimonthly vi...
Andreas Girgensohn, John S. Boreczky, Patrick Chiu...