] , «A Two-Stage Codebook Building Method Using Fast WAN», in International Conference on Image Analysis and Processing (ICIAP), Venice, Italy, 1999, pp. 1047–1050.
, «Wavelet Packet based subband adaptive equalization», in Baiona Workshop on Emerging Technologies in Telecommunications, Baiona, Spain, 1999.
, «An adaptive recursive filter for autoregressive inputs», International Journal of Adaptive Control and Signal Processing, vol. 12, pp. 467–494, 1998.
, «An approach to the robust SPR problem through interpolation and avoidance: connections with the robust stability problem», in American Control Conference, 1998.
, «On the bias of the modified output error algorithm», IEEE Transactions on Automatic Control, vol. 43, pp. 1261–1262, 1998.
, «Coding and Synchronization: A Boost and a Bottleneck for the Development of Image Watermarking», in COST #254 Int. Workshop on Intelligent Communications, L'Aquila, Italy, 1998, pp. 77–82.
, «Filtered error adaptive IIR algorithms and their application to active noise control», in IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 1998.
, «A Flexible Structure for Wavelet Packet-based Subband Adaptive Equalization», in IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis, Pittsburgh, USA, 1998, pp. 377–380.
, «The Impact of Channel Coding on the Performance of Spatial Watermarking for Copyright Protection», in IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Seattle, Washington, USA, 1998, vol. 5, pp. 2973–2976.
, «Improving DCT-Domain Watermark Extraction Using Generalized Gaussian Models», in COST #254 Int. Workshop on Intelligent Communications and Multimedia Terminals, Ljubljana, Slovenia, 1998, pp. 23–26.
, «Performance Analysis of a 2D-Multipulse Amplitude Modulation Scheme for Data Hiding and Watermarking of Still Images», IEEE Journal on Selected Areas in Communications, vol. 16, pp. 510–524, 1998.
, «Relaxation of the SPR condition with applications to the convergence of adaptive recursive algorithms», University of Vigo, Spain, 1998.
, «The Simultaneous Strict Positive Real Problem: Similarities with the Simultaneous Stability Problem and Applications in Adaptive Recursive Algorithms», in Mathematics in Signal Processing, Oxford University Press, 1998, pp. 139-148.
, «Stability conditions for the time-varying linear predictor», in IEEE Conference on Decision and Control (CDC), Tampa, FL, USA, 1998, pp. 1840–1845.
, «On the stability of equation-error estimates of all-pole systems», IEEE Signal Processing Letters, vol. 5, pp. 268–270, 1998.
, «On the strengthened robust SPR problem for discrete-time systems», in American Control Conference, 1998.
, «Testing a Flexible Time-Frequency Mapping for High Frequencies in TARCO (Tonal Adaptive Resolution COdec)», in Audio Engineering Society Convention (AES Convention), Amsterdam, The Netherlands, 1998.
, «Throwing More Light on Image Watermarks», in International Workshop on Information Hiding (IH), Portland, Oregon, USA, 1998, vol. 1525, pp. 191–207.
, «An Algorithm for Interpolation with Positive Rational Functions on the Imaginary Axis», Automatica, vol. 33, pp. 2277-2280, 1997.
, «Analysis and Synthesis Tools for Robust SPRness», in Intelligent methods in signal processing and communications, Birkhauser, 1997, pp. 147-171.
, «Data Hiding for Copyright Protection of Still Images», in Emerging Techniques for Communication Terminals, Tolouse, France, 1997, pp. 285–289.
, «A Fast Noise-Scaling Algorithm for Uniform Quantization in Audio Coding Schemes», in IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Munich, Germany, 1997.
, «A Flexible Tiling of the Time Axis for Adaptive Wavelet Packet Audio Decompositions», in IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Munich, Germany, 1997.
, «New Improvements in ARCO», in Audio Engineering Society Convention (AES Convention), Munich, Germany, 1997.
, «New results and theoretical analysis of the Master-Slave family of recursive identification algorithms», Signal Processing, vol. 58, pp. 79-94, 1997.