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» Estimation of Topological Dimension
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ICPR
2006
IEEE
16 years 7 months ago
Motion Dependent Spatiotemporal Smoothing for Noise Reduction in Very Dim Light Image Sequences
A new method for noise reduction using spatiotemporal smoothing is presented in this paper. The method is developed especially for reducing the noise that arises when acquiring vi...
Henrik Malm, Eric Warrant
ISBI
2008
IEEE
16 years 6 months ago
Mutual information-based feature selection enhances fMRI brain activity classification
In this paper, we adress the question of decoding cognitive information from functional Magnetic Resonance (MR) images using classification techniques. The main bottleneck for acc...
Bertrand Thirion, Cécilia Damon, Vincent Mi...
KDD
2005
ACM
135views Data Mining» more  KDD 2005»
16 years 6 months ago
A hybrid unsupervised approach for document clustering
We propose a hybrid, unsupervised document clustering approach that combines a hierarchical clustering algorithm with Expectation Maximization. We developed several heuristics to ...
Mihai Surdeanu, Jordi Turmo, Alicia Ageno
GLOBECOM
2009
IEEE
16 years 27 days ago
Semi-Blind Gradient-Newton CMA and SDD Algorithm for MIMO Space-Time Equalisation
— Semi-blind space-time equalisation is considered for dispersive multiple-input multiple-output systems that employ high-throughput quadrature amplitude modulation signalling. A...
S. Chen, Lajos Hanzo, H.-T. Cheng
ISCAS
2007
IEEE
117views Hardware» more  ISCAS 2007»
16 years 13 days ago
On the Impact of I/Q Imbalance in Multi-Carrier Systems for Different Channel Scenarios
— I/Q imbalance has been identified as one of the most serious concerns in the practical implementation of the direct conversion receiver architecture. Facing the performance-de...
Marcus Windisch, Gerhard Fettweis