296 search results - page 35 / 60 » Weighted nonnegative matrix factorization |
TASLP
2010
13 years 2 months ago
2010
Multiple pitch estimation consists of estimating the fundamental frequencies and saliences of pitched sounds over short time frames of an audio signal. This task forms the basis of...
KDD
2010
ACM
13 years 6 months ago
2010
ACM
Although tagging has become increasingly popular in online image and video sharing systems, tags are known to be noisy, ambiguous, incomplete and subjective. These factors can ser...
ICASSP
2010
IEEE
13 years 6 months ago
2010
IEEE
An unsupervised method is proposed aiming at extracting rhythmic sources from commercial polyphonic music whose number of channels is limited to one. Commercial music signals are ...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Many works on speech processing have dealt with auto-regressive (AR) models for spectral envelope and formant frequency estimation, mostly focusing on the estimation of the AR par...
STOC
1998
ACM
13 years 12 months ago
1998
ACM
We present a deterministic strongly polynomial algorithm that computes the permanent of a nonnegative n × n matrix to within a multiplicative factor of en. To this end we develop...