1582 search results - page 77 / 317 » On sparse signal representations |
205
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ARCS
2005
Springer
15 years 11 months ago
2005
Springer
We propose an active vision system for object acquisition. The core of our approach is a reinforcement learning module which learns a strategy to scan an object. The agent moves a...
144
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ICASSP
2009
IEEE
15 years 9 months ago
2009
IEEE
In this paper, we present two new noise variance estimation methods of OFDMA signals transmitted through an unknown multipath fading channel. We focus on blind estimation as it do...
201
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CORR
2011
Springer
15 years 1 months ago
2011
Springer
Scaling up the sparse matrix-vector multiplication kernel on modern Graphics Processing Units (GPU) has been at the heart of numerous studies in both academia and industry. In thi...
146
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TCOM
2010
15 years 4 months ago
2010
Multiple subcarrier modulation is an appealing scheme for high-data rate optical communication. However a major drawback is its low average power efficiency. While subcarrier res...
168
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ICASSP
2011
IEEE
14 years 9 months ago
2011
IEEE
The proportionate normalized least-mean squares (PNLMS) adaptation algorithm exploits the sparse nature of acoustic impulse responses and assigns adaptation gain proportional to t...