2840 search results - page 431 / 568 » Information Retrieval and Artificial Intelligence |
151
click to vote
IDA
2009
Springer
16 years 1 months ago
2009
Springer
Abstract. We present a probabilistic model for robust principal component analysis (PCA) in which the observation noise is modelled by Student-t distributions that are independent ...
190
click to vote
IDA
2009
Springer
16 years 1 months ago
2009
Springer
Abstract. The underdetermined blind audio source separation problem is often addressed in the time-frequency domain by assuming that each time-frequency point is an independently d...
175
click to vote
IDA
2009
Springer
16 years 1 months ago
2009
Springer
Abstract. Joint diagonalization for ICA is often performed on the orthogonal group after a pre-whitening step. Here we assume that we only want to extract a few sources after pre-w...
155
click to vote
IDA
2009
Springer
16 years 1 months ago
2009
Springer
Underdetermined source separation is often carried out by modeling time-frequency source coefficients via a fixed sparse prior. This approach fails when the number of active sourc...
177
click to vote
IDA
2009
Springer
16 years 1 months ago
2009
Springer
Abstract. This work aims to improve an existing time series forecasting algorithm –LBF– by the application of frequent episodes techniques as a complementary step to the model....