715 search results - page 19 / 143 » Second step algorithms in the Burrows-Wheeler compression al... |
NIPS
1997
13 years 10 months ago
1997
I present an expectation-maximization (EM) algorithm for principal component analysis (PCA). The algorithm allows a few eigenvectors and eigenvalues to be extracted from large col...
SIAMSC
2010
13 years 7 months ago
2010
We propose a fast algorithm for solving the ℓ1-regularized minimization problem minx∈Rn µ x 1 + Ax − b 2 2 for recovering sparse solutions to an undetermined system of linea...
GRAPHITE
2006
ACM
14 years 2 months ago
2006
ACM
This paper presents a two-stage compression method for accelerating GPU-based volume rendering of time-varying scalar data. Our method aims at reducing transfer time by compressin...
AUSAI
2007
Springer
14 years 2 months ago
2007
Springer
Dimensional reduction may be effective in order to compress data without loss of essential information. Also, it may be useful in order to smooth data and reduce random noise. The...
FOCS
2009
IEEE
14 years 3 months ago
2009
IEEE
— We present new combinatorial algorithms for Boolean matrix multiplication (BMM) and preprocessing a graph to answer independent set queries. We give the first asymptotic impro...