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TMI
2008
91views more  TMI 2008»
13 years 10 months ago
System Calibration and Statistical Image Reconstruction for Ultra-High Resolution Stationary Pinhole SPECT
For multi-pinhole SPECT, iterative reconstruction algorithms are preferred over analytical methods, because of the often complex multi-pinhole geometries and the ability of iterat...
Frans van der Have, Brendan Vastenhouw, Marc Rentm...
DEPCOS
2008
IEEE
156views Hardware» more  DEPCOS 2008»
14 years 5 months ago
A True Random Number Generator with Built-in Attack Detection
True random number generators (TRNGs) are extensively used in cryptography, simulations and statistics. Metastability is a way to generate true random numbers. By using electromag...
Bernhard Fechner, Andre Osterloh
IACR
2011
85views more  IACR 2011»
12 years 10 months ago
Random Number Generation Based on Oscillatory Metastability in Ring Circuits
: Random number generator designs are discussed, which utilize oscillatory metastability, induced  by switching between two stable states of ring‐connected di...
Laszlo Hars
IJCCBS
2010
146views more  IJCCBS 2010»
13 years 9 months ago
A meta-level true random number generator
: True random number generators (TRNGs) are extensively used in cryptography, simulations and statistics. In this work, we introduce, extend and analyse the concept of the randomis...
Bernhard Fechner, Andre Osterloh
TIT
1998
90views more  TIT 1998»
13 years 10 months ago
Source Codes as Random Number Generators
—A random number generator generates fair coin flips by processing deterministically an arbitrary source of nonideal randomness. An optimal random number generator generates asy...
Karthik Visweswariah, Sanjeev R. Kulkarni, Sergio ...