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ASPDAC
2006
ACM
99views Hardware» more  ASPDAC 2006»
14 years 1 months ago
Programmable numerical function generators based on quadratic approximation: architecture and synthesis method
— This paper presents an architecture and a synthesis method for programmable numerical function generators (NFGs) for trigonometric, logarithmic, square root, and reciprocal fun...
Shinobu Nagayama, Tsutomu Sasao, Jon T. Butler
VISUALIZATION
2005
IEEE
14 years 28 days ago
Rendering Tetrahedral Meshes with Higher-Order Attenuation Functions for Digital Radiograph Reconstruction
This paper presents a novel method for computing simulated x-ray images, or DRRs (digitally reconstructed radiographs), of tetrahedral meshes with higher-order attenuation functio...
Ofri Sadowsky, Jonathan D. Cohen, Russell H. Taylo...
DSD
2008
IEEE
95views Hardware» more  DSD 2008»
14 years 1 months ago
Programmable Numerical Function Generators for Two-Variable Functions
This paper proposes a design method and programmable architectures for numerical function generators (NFGs) of two-variable functions. To realize a two-variable function in hardwa...
Shinobu Nagayama, Jon T. Butler, Tsutomu Sasao
PKC
2009
Springer
102views Cryptology» more  PKC 2009»
14 years 7 months ago
A Practical Key Recovery Attack on Basic TCHo
TCHo is a public key encryption scheme based on a stream cipher component, which is particular suitable for low cost devices like RFIDs. In its basic version, TCHo offers no IND-CC...
Mathias Herrmann, Gregor Leander
GLVLSI
2002
IEEE
106views VLSI» more  GLVLSI 2002»
14 years 9 days ago
A low power direct digital frequency synthesizer with 60 dBc spectral purity
We present a low-power sine-output Direct Digital Frequency Synthesizer (DDFS) realized in 0.18 µm CMOS that achieves 60 dBc spectral purity from DC to the Nyquist frequency. No ...
J. M. Pierre Langlois, Dhamin Al-Khalili