44 search results - page 1 / 9 » Sparse and shift-invariant feature extraction from non-negat... |
NIPS
2008
13 years 6 months ago
2008
How does one extract unknown but stereotypical events that are linearly superimposed within a signal with variable latencies and variable amplitudes? One could think of using temp...
TASLP
2010
12 years 11 months ago
2010
Music genre classification techniques are typically applied to the data matrix whose columns are the feature vectors extracted from music recordings. In this paper, a feature vecto...
CVPR
2001
IEEE
14 years 6 months ago
2001
IEEE
This paper presents an improvement of the classical Non-negative Matrix Factorization (NMF) approach, for dealing with local representations of image objects. NMF, when applied to...
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
In this paper we describe a technique that allows the extraction of multiple local shift-invariant features from analysis of non-negative data of arbitrary dimensionality. Our app...
VISUALIZATION
1998
IEEE
13 years 9 months ago
1998
IEEE
We are interested in feature extraction from volume data in terms of coherent surfaces and 3-D space curves. The input can be an inaccurate scalar or vector field, sampled densely...