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JCP
2007
143views more  JCP 2007»
15 years 6 months ago
Noisy K Best-Paths for Approximate Dynamic Programming with Application to Portfolio Optimization
Abstract— We describe a general method to transform a non-Markovian sequential decision problem into a supervised learning problem using a K-bestpaths algorithm. We consider an a...
Nicolas Chapados, Yoshua Bengio
ICASSP
2011
IEEE
14 years 10 months ago
On optimal precoding in wireless multicast systems
Precoding has been extensively studied for point-to-point communications, including the problems of constructing the precoding codebook and selecting the best precoder. This paper...
Yiyue Wu, Haipeng Zheng, A. Robert Calderbank, San...
FPGA
2012
ACM
285views FPGA» more  FPGA 2012»
14 years 2 months ago
Optimizing SDRAM bandwidth for custom FPGA loop accelerators
Memory bandwidth is critical to achieving high performance in many FPGA applications. The bandwidth of SDRAM memories is, however, highly dependent upon the order in which address...
Samuel Bayliss, George A. Constantinides
ICMCS
2006
IEEE
125views Multimedia» more  ICMCS 2006»
16 years 25 days ago
Online Doubletalk Detector Calibration for Acoustic Echo Cancellation in Videoconferencing Systems
This paper addresses the problem of doubletalk detector calibration for acoustic echo cancellers in hands-free environments such as videoconferencing. A statistical model of a rec...
James D. Gordy, Rafik A. Goubran
CASES
2006
ACM
16 years 23 days ago
Scalable subgraph mapping for acyclic computation accelerators
Computer architects are constantly faced with the need to improve performance and increase the efficiency of computation in their designs. To this end, it is increasingly common ...
Nathan Clark, Amir Hormati, Scott A. Mahlke, Sami ...