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110
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ISBI
2007
IEEE
15 years 10 months ago
A Posteriori Error Estimation in Biomedical Imaging
We present an adaptive hybrid FEM/FDM method for an inverse scattering problem in scanning acoustic microscopy with a special focus on new application in medical imaging. The prob...
Larisa Beilina
112
Voted
ISPDC
2007
IEEE
15 years 10 months ago
Hybrid MPI-Thread Parallelization of the Fast Multipole Method
We present in this paper multi-thread and multi-process parallelizations of the Fast Multipole Method (FMM) for Laplace equation, for uniform and non uniform distributions. These ...
Olivier Coulaud, Pierre Fortin, Jean Roman
117
Voted
ITNG
2007
IEEE
15 years 10 months ago
FPGA-based Vector Processing for Matrix Operations
A programmable vector processor and its implementation with a field-programmable gate array (FPGA) are presented. This processor is composed of a vector core and a tightly couple...
Hongyan Yang, Sotirios G. Ziavras, Jie Hu
VTC
2007
IEEE
15 years 10 months ago
Adaptive Conjugate Gradient DFEs for Wideband MIMO Systems Using Galerkin Projections
— Three new adaptive equalization algorithms for wireless systems operating over frequency selective MIMO channels are proposed. The problem of the MIMO DFE design is formulated ...
Vassilis Kekatos, Aris S. Lalos, Kostas Berberidis
109
Voted
AIED
2007
Springer
15 years 9 months ago
Beyond the code-and-count analysis of tutoring dialogues
In this paper, we raise a methodological issue concerning the empirical analysis of tutoring dialogues: The frequencies of tutoring moves do not necessarily reveal their causal ef...
Stellan Ohlsson, Barbara Di Eugenio, Bettina Chow,...