| 2003 | ICASSP | Estimation of locally stationary covariance matrices from data. | Francisco M. Garcia, Isabel M. G. Lourtie |
| 2002 | ICASSP | Local stationarity of L | Francisco M. Garcia, Isabel M. G. Lourtie, Jorge Buescu |
| 2000 | ICASSP | Efficiency of real-time Gaussian transient detectors: comparing the Karhunen-Loeve and the wavelet decompositions. | Francisco M. Garcia, Isabel M. G. Lourtie |
| 1998 | IROS | Temporal combination of positioning modes for AUV navigation in perturbed environments. | Maria-Joo Rendas, Isabel M. G. Lourtie |
| 1997 | ICASSP | Detection of Gaussian bandpass transients under impulsive noise: a wavelet transform approach. | Francisco M. Garcia, Isabel M. G. Lourtie |
| 1996 | ICASSP | A wavelet transform frequency classifier for stochastic transient signals. | Francisco M. Garcia, Isabel M. G. Lourtie |
| 1993 | ICASSP | The Novel Ocean Low SNR Signal (NOLOSS) detection method for uncertain ocean environments. | Isabel M. G. Lourtie, G. Clifford Carter |
| 1992 | ICASSP | Signal to noise ratio improvement by likelihood ratio techniques under model and environmental mismatch. | Isabel M. G. Lourtie, G. Clifford Carter, Sankar Basu |
| 1991 | ICASSP | Likelihood ratio detection in a random multipath channel. | Isabel M. G. Lourtie, G. Clifford Carter |
| 1990 | ICASSP | Signal detection in the presence of inaccurate multipath time delay modelling. | Isabel M. G. Lourtie, G. Clifford Carter |
| 1989 | ICASSP | Signal detection in a multiple time delay environment. | Isabel M. G. Lourtie, G. Clifford Carter |
| 1988 | ICASSP | Optimal estimation of time-varying delay. | Isabel M. G. Lourtie, Jos M. F. Moura |
| 1985 | ICASSP | Time delay determination: Maximum likelihood and Kalman-Bucy type structures. | Isabel M. G. Lourtie, Jos M. F. Moura |