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ISBI
2004
IEEE
15 years 10 months ago
A Fast Fully 4D Incremental Gradient Reconstruction Algorithm for List Mode PET Data
We present a fully four-dimensional, globally convergent, incremental gradient algorithm to estimate the continuous-time tracer density from list mode positron emission tomography...
Quanzheng Li, Evren Asma, Richard M. Leahy
IJON
2007
100views more  IJON 2007»
14 years 9 months ago
A neural network approach to audio-assisted movie dialogue detection
A novel framework for audio-assisted dialogue detection based on indicator functions and neural networks is investigated. An indicator function defines that an actor is present a...
Margarita Kotti, Emmanouil Benetos, Constantine Ko...
ICC
2008
IEEE
142views Communications» more  ICC 2008»
15 years 4 months ago
Contention Window and Transmission Opportunity Adaptation for Dense IEEE 802.11 WLAN Based on Loss Differentiation
— In high density (HD) WLANs, packet losses can occur due to hidden terminals (asynchronous interference) or collisions (synchronous interference). Without differentiating above ...
Hui Ma, Sumit Roy
ISVLSI
2006
IEEE
106views VLSI» more  ISVLSI 2006»
15 years 3 months ago
Self-Timed Thermally-Aware Circuits
Thermal management is becoming increasingly important in circuit designs with high power density. Circuits that overheat beyond specified operating conditions may suffer timing f...
David Fang, Filipp Akopyan, Rajit Manohar
ISMVL
2005
IEEE
86views Hardware» more  ISMVL 2005»
15 years 3 months ago
Multiple-Valued Duplex Asynchronous Data Transfer Scheme for Interleaving in LDPC Decoders
A novel duplex asynchronous data-transfer scheme based on multiple-valued encoding is proposed for interleaving in Low-Density Parity-Check (LDPC) decoders, where high-throughput ...
Naoya Onizawa, Akira Mochizuki, Takahiro Hanyu