1176 search results - page 186 / 236 » Sparse reward processes |
ICASSP
2008
IEEE
14 years 5 months ago
2008
IEEE
Recent work in the emerging field of compressive sensing indicates that, when feasible, judicious selection of the type of distortion induced by measurement systems may dramatica...
ICASSP
2008
IEEE
14 years 5 months ago
2008
IEEE
We recently reported a criterion for blind separation of non-negative sources, using a new concept called convex analysis for mixtures of non-negative sources (CAMNS). Under some ...
ICASSP
2008
IEEE
14 years 5 months ago
2008
IEEE
This paper discusses the issue of dynamic resource allocation (DRA) in the context of cognitive radio (CR) networks. We present a general framework adopting generalized transmitte...
ICASSP
2008
IEEE
14 years 5 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...
ICASSP
2008
IEEE
14 years 5 months ago
2008
IEEE
Non-negative matrix factorisation (NMF) is an unsupervised learning technique that decomposes a non-negative data matrix into a product of two lower rank non-negative matrices. Th...