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Luis B. Almeida
Luis B. Almeida
Instituto Superior Técnico and Instituto de Telecomunicações, Technical University of Lisbon
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The fractional Fourier transform and time-frequency representations
LB Almeida
IEEE Transactions on signal processing 42 (11), 3084-3091, 1994
23321994
Hyperspectral pansharpening: A review
L Loncan, LB De Almeida, JM Bioucas-Dias, X Briottet, J Chanussot, ...
IEEE Geoscience and remote sensing magazine 3 (3), 27-46, 2015
6242015
A convex formulation for hyperspectral image superresolution via subspace-based regularization
M Simoes, J Bioucas‐Dias, LB Almeida, J Chanussot
IEEE Transactions on Geoscience and Remote Sensing 53 (6), 3373-3388, 2014
5182014
A learning rule for asynchronous perceptrons with feedback in a combinatorial environment
LB Almeida
Artificial neural networks: concept learning, 102-111, 1990
5101990
C1. 2 Multilayer perceptrons
LB Almeida
Handbook of Neural Computation C 1, 1997
420*1997
Blind and semi-blind deblurring of natural images
MSC Almeida, LB Almeida
IEEE Transactions on Image Processing 19 (1), 36-52, 2009
2782009
Speeding up backpropagation
FM Silva, LB Almeida
Advanced neural computers, 151-158, 1990
2621990
Acceleration techniques for the backpropagation algorithm
FM Silva, LB Almeida
Neural Networks: EURASIP Workshop 1990 Sesimbra, Portugal, February 15–17 …, 2005
2552005
Speaker-adaptation for hybrid HMM-ANN continuous speech recognition system
J Neto, L Almeida, M Hochberg, C Martins, L Nunes, S Renals, ...
International Speech Communication Association, 1995
2521995
Product and convolution theorems for the fractional Fourier transform
LB Almeida
IEEE Signal Processing Letters 4 (1), 15-17, 1997
1811997
The fractional Fourier transform in optical propagation problems
T Alieva, V Lopez, F Agulló-López, LB Almeida
Journal of modern optics 41 (5), 1037-1044, 1994
1731994
MISEP—linear and nonlinear ICA based on mutual information
LB Almeida
The journal of Machine Learning Research 4, 1297-1318, 2003
1442003
Backpropagation in perceptrons with feedback
LB Almeida
Neural computers, 199-208, 1989
1341989
Parameter adaptation in stochastic optimization
LB Almeida, T Langlois, JD Amaral, A Plakhov
On-line learning in neural networks, 111-134, 1999
1291999
Variable-frequency synthesis: an improved harmonic coding scheme
L Almeida, F Silva
ICASSP'84. IEEE International Conference on Acoustics, Speech, and Signal …, 1984
1261984
Nonstationary spectral modeling of voiced speech
L Almeida, J Tribolet
IEEE Transactions on Acoustics, Speech, and Signal Processing 31 (3), 664-678, 1983
1101983
Real time preventive actions for transient stability enhancement with a hybrid neural network-optimization approach
V Miranda, JN Fidalgo, JAP Lopes, LB Almeida
IEEE transactions on Power Systems 10 (2), 1029-1035, 1995
1001995
An introduction to the angular Fourier transform
LB Almeida
1993 IEEE International Conference on Acoustics, Speech, and Signal …, 1993
881993
Harmonic coding at 4.8 kb/s
JS Marques, LB Almeida, JM Tribolet
International Conference on Acoustics, Speech, and Signal Processing, 17-20, 1990
731990
Separation of nonlinear mixtures using pattern repulsion
GC Marques
Int. Workshop on Independent Component Analysis and Blind Separation of …, 1999
701999
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