We propose an novel method of computing and storing DataCubes. Our idea is to use Bayesian Networks, which can generate approximate counts for any query combination of attribute v...
ystem (Extended Abstract) Gianna M. Del Corso1 Antonio Gull´ı1,2 Francesco Romani1 1 Dipartimento di Informatica, University of Pisa, Italy 2 IIT-CNR, Pisa
Gianna M. Del Corso, Antonio Gulli, Francesco Roma...
Convolution operator is a linear operator characterized by a point spread functions (PSF). In classical image restoration problems, the blur is usually shift invariant and so the ...
In Sparse Coding (SC), input vectors are reconstructed using a sparse linear combination of basis vectors. SC has become a popular method for extracting features from data. For a ...
We consider the problem of computing the k-sparse approximation to the discrete Fourier transform of an ndimensional signal. We show: • An O(k log n)-time randomized algorithm f...
Haitham Hassanieh, Piotr Indyk, Dina Katabi, Eric ...