4 search results - page 1 / 1 » Time-frequency localization from sparsity constraints |
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
In the case of multicomponent AM-FM signals, the idealized representation which consists of weighted trajectories on the time-frequency (TF) plane, is intrinsically sparse. Recent...
CVPR
2012
IEEE
11 years 7 months ago
2012
IEEE
Improving coding and spatial pooling for bag-of-words based feature design have gained a lot of attention in recent works addressing object recognition and scene classification. ...
ISBI
2007
IEEE
13 years 11 months ago
2007
IEEE
Image model plays a critical role in recovering diagnosis-relevant information from noisy observation data. Unlike conventional denoising techniques based on local models, a patch...
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...