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ICML
2007
IEEE
14 years 8 months ago
Full regularization path for sparse principal component analysis
Given a sample covariance matrix, we examine the problem of maximizing the variance explained by a particular linear combination of the input variables while constraining the numb...
Alexandre d'Aspremont, Francis R. Bach, Laurent El...
IPPS
2007
IEEE
14 years 2 months ago
Optimizing Inter-Nest Data Locality Using Loop Splitting and Reordering
With the increasing gap between processor speed and memory latency, the performance of data-dominated programs are becoming more reliant on fast data access, which can be improved...
Sofiane Naci
SIAMIS
2008
116views more  SIAMIS 2008»
13 years 8 months ago
Quantitative Object Reconstruction Using Abel Transform X-Ray Tomography and Mixed Variable Optimization
This paper introduces a new approach to the problem of quantitative reconstruction of an object from few radiographic views. A mixed variable programming problem is formulated in ...
Mark A. Abramson, Thomas J. Asaki, J. E. Dennis, K...
VTC
2010
IEEE
172views Communications» more  VTC 2010»
13 years 6 months ago
Turbo Source Compression with Jointly Optimized Inner Irregular and Outer Irregular Codes
—In this paper, we present a near-lossless compression scheme for scalar-quantized source codec parameters based on iterative source-channel decoding (ISCD). The scheme is compar...
Laurent Schmalen, Peter Vary, Thorsten Clevorn, Ma...
ISPD
2005
ACM
205views Hardware» more  ISPD 2005»
14 years 1 months ago
Coupling aware timing optimization and antenna avoidance in layer assignment
The sustained progress of VLSI technology has altered the landscape of routing which is a major physical design stage. For timing driven routings, traditional approaches which con...
Di Wu, Jiang Hu, Rabi N. Mahapatra