Isabel Lourtie
Former Collaborator
Faculty
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Current Projects
Acronym | Name | Funding | Dates |
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Closed Projects
Acronym | Name | Funding | Dates |
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SUMARE | Survey of Marine Resources | EU-FP5 | 2000|2003 |
NARVAL | Navigation of Autonomous Robots Via Active Environmental Perception | EU-FP5 | 01-1998|01-2001 |
[1] Francisco Garcia, Isabel Lourtie, "Detection of Transient Signals with Unknown Localization", IEEE Signal Processing Letters, Vol. 11, no. 9, 2004 - PDF
[2] J. Buescu, A. C. Paixao, Francisco Garcia, Isabel Lourtie, "Positive-Definiteness, Integral Equations and Fourier Transforms", Journal of Integral Equations and Applications, Vol. 16, No. 1, 2004 - PDF
[3] Francisco Garcia, Isabel Lourtie, Jorge Buescu, "L^2(R) Nonstationary Processes and the Sampling Theorem", IEEE Signal Processing Letters, Vol. 8, no. 4, 2001 - PDF
[4] M. Joao Rendas, J. Y. Tigli, L. Pronzato, M. C. Thomas, M. Ribo, José Santos-Victor, Isabel Lourtie, Alexandre Bernardino, "Uncertainty Modeling and Perceptual Guiding for Safe Operation in Unknown Environments", International Journal of Intelligent Control Systems, World Scientific Publishing Company, Vol 2(2), pp. 253-285, 1998 - PDF
[1] Isabel Lourtie, "Sinais e Sistemas", Escolar Editora, 2002
[1] Francisco Garcia, Isabel Lourtie, "Efficiency of Real Time Gaussian Transient Detectors: Comparing the Karhunen Loeve and the Wavelet Decompositions", Proceedings of the International Conference on Acoustics, Speech and Signal Processing, Istanbul, Turkey, 2008 - PDF
[2] Francisco Garcia, Isabel Lourtie, "Estimation of Locally Covariance Matrices from Data", Proc. ICASSP2003 - IEEE International Conference on Acoustics, Speech and Signal Processing, Hong Kong, 2003 - PDF
[3] Maria Joao Rendas, Isabel Lourtie, Georges Pichot, "Adaptive Sampling for Sand Bank Mapping using an Autonomous Underwater Vehicle Equipped of an Altimeter", Proc. ISESS2003 - International Symposium on Environmental Software Systems, Viena, Austria, 2003
[4] Francisco Garcia, Isabel Lourtie, Jorge Buescu, "Local Stationarity of L^2(R) Processes", 2002 International Conference on Acoustic, Speech and Signal Processing, Orlando, Florida, USA, 2002 - PDF
[5] Francisco Garcia, Isabel Lourtie, "Multipath Detection of Stochastic Transient Signals", Statistical Signal Processing Workshop, Singapore, 2001 - PDF
[6] M. Joao Rendas, Isabel Lourtie, "AUV Navigation: Increased Robustness and Observability by Fusion of Active and Passive Modes", Proc. OCEANS´98, pp. 347-351, Nice, France, 1998
[7] Jean Pierre Clero, Raoul Duranton, M. Joao Rendas, Isabel Lourtie, Didier Sauzade, Ian Herdman, R. Bozzano, George Pichot, "Miniaturized and Reconfigurable Instrumentation for Multipurpose Survey with a Mini Autonomous Underwater Vehicle (MAUVE)", Proc. 3rd European Marine Science and Technology (MAST) Conference, pp. 1367-1379, Lisbon, Portugal, 1998
[8] M. Joao Rendas, Isabel Lourtie, "Temporal combination of positioning modes for AUV navigation in perturbed environments", IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS´98), pp. 1107-1112, Victoria, Canada, 1998
[9] Maria Joao Rendas, Isabel Lourtie, "Planning Robotic Exploratory Missions in the Absence of Global Positioning", Proceedings of the International Symposium on Industrial Electronics, pp. 666-671, Guimaraes, Portugal, 1997
[10] Stefan Rolfes, Maria Joao Rendas, Isabel Lourtie, "Autonomous Robot Navigation using Unsupervised Shape Description and Recognition", Proceedings of the EUFIT'97, pp. 1365-1369, Aachen, Germany, 1997
[11] Francisco Garcia, Isabel Lourtie, "Detection of Gaussian Bandpass Transients under Impulsive Noise: A Wavelet Transform Approach", Proceedings of the International Conference on Acoustic, Speech and Signal Processing, 491-494, Munich, Germany, 1997 - PDF
[12] Francisco Garcia, Isabel Lourtie, "A Wavelet Transform Frequency Classifier for Stochastic Transient Signals", Proceedings of the International Conference on Acoustic, Speech and Signal Processing, vol. 6, pp. 3057-3060, Atlanta, Georgia, USA, 1996 - PDF
[13] António Pascoal, Victor Barroso, Carlos Silvestre, Paulo Oliveira, Isabel Lourtie, "Simulation Study of an Integrated Guidance System for an Autonomous Underwater Vehicle", Acoustic Signal Processing for Ocean Exploration, Funchal, Portugal, 1992