Santiago Fernández

Postdoctoral Researcher

IDSIA, Galleria 2, 6928 Manno-Lugano, Switzerland
Tel.: +41 91 610 8509 - E-mail: santiago idsia ch

Books

Schmidhuber, J., Gomez, F., Fernández, S., Graves, A., Hochreiter, S. "Sequence learning with artificial recurrent neural networks", Cambridge University Press, in preparation. [preliminary web site]

Journal papers

Graves, S., Liwicki, M., Fernández, S., Bertolami, R., Bunke, H. and Schmidhuber, J. "A novel connectionist system for improved unconstrained handwriting recognition", Submitted, 2007.
Feijóo, S. and Fernández, S. "Auditory identification and acoustic representation of the voiceless fricatives and affricates", Revista Electrónica de Tecnología del Habla, No. 1, 2003. [.pdf]
Barros, N., Feijóo, S. and Fernández, S. "Microcalorimetric determination of the cell specific heat rate in soils: relationship with the soil microbial population and biophysic significance", Thermochimica Acta, vol. 406, pp. 161-170, 2003.
Feijóo, S., Fernández, S., Barros, N. and Balsa, R. "Context effects and acoustic cues for the auditory identification of Spanish fricatives /f/ and /th/", Acta Acustica united with Acustica, vol. 88, pp. 113-126, 2002. [.ps]
Barros, N., Feijóo, S., Fernández, S., Simoni, J. A. and Airoldi, C. "Application of the metabolic enthalpy change in studies of soil microbial activity", Thermochimica Acta, vol. 356, pp. 1-7, 2000.
Barros, N., Feijóo, S., Fernández, S., Simoni, J. A. and Airoldi, C. "Microcalorimetric study of the influence of agriculture on the microbial activity of amazonian soils collected in riversides", Entropie, No. 224/225, pp. 75-79, 2000.
Feijóo, S., Fernández, S. and Balsa, R. "Acoustic and perceptual study of phonetic integration in Spanish voiceless stops", Speech Communication, vol. 27, pp. 1-18, 1999.

Conference papers

Graves, A., Fernández, S., Liwicki, M., Bunke, H. and Schmidhuber, J. "Unconstrained on-line handwriting recognition with recurrent neural networks", Advances in Neural Information Processing Systems 20, 2008. [.pdf]
Fernández, S., Graves, A. and Schmidhuber, J. "An application of recurrent neural networks to discriminative keyword spotting", Proceedings of the 17th International Conference on Artificial Neural Networks, Porto (Portugal), 2007. [.pdf]
Graves, A., Fernández, S. and Schmidhuber, J. "Multi-dimensional recurrent neural networks", Proceedings of the 17th International Conference on Artificial Neural Networks, Porto (Portugal), 2007. [.pdf]
Fernández, S., Graves, A. and Schmidhuber, J. "Sequence labelling in structured domains with hierarchical recurrent neural networks", Proceedings of the 20th International Joint Conference on Artificial Intelligence, Hyderabad (India), 2007. [.pdf]
Graves, A., Fernández, S., Gomez, F. and Schmidhuber, J. "Connectionist temporal classification: labelling unsegmented sequence data with recurrent neural nets", Proceedings of the 23rd International Conference on Machine Learning, Pittsburgh - Pennsylvania (U.S.A.), 2006. [.pdf]
Graves, A., Fernández, S. and Schmidhuber, J. "Bidirectional LSTM networks for improved phoneme classification and recognition", Proceedings of the 2005 International Conference on Artificial Neural Networks, Warsaw (Poland), 2005. [.pdf]
Fernández, S., Feijóo, S. and Barros, N. "Acoustic models of CV syllables for speech recognition", First International Conference on Experiments / Process / System Modelling / Simulation / Optimization, Athens (Greece), 2005. [.pdf]
Fernández, S. and Feijóo, S. "Reconocimiento fonético en habla contínua usando información de segmentos adyacentes", IV Congreso Ibero-Americano de Acústica, European Acoustics Symposium, Guimarães (Portugal), 2004. [.pdf]
Fernández, S. and Feijóo, S. "Modelos acústicos de sílabas consonante-vocal para el reconocimiento de fricativas", IV Congreso Ibero-Americano de Acústica, European Acoustics Symposium, Guimarães (Portugal), 2004. [.pdf]
Fernández, S. and Feijóo, S. "Comparing HMM-based recognition to perceptual phonetic integration in fricative-vowel syllables", 15th International Congress of Phonetics Sciences, Barcelona (Spain), 2003. [.pdf]
Feijóo, S. and Fernández, S. "Temporal effects of phonetic integration in CV syllables," Proceedings of Forum Acusticum, Seville (Spain), 2002. [.pdf]
Feijóo, S. and Fernández, S. "Location of spectral cues for the perceptual identification of fricatives", Proceedings of Forum Acusticum, Seville (Spain), 2002. [.pdf]
Fernández, S. and Feijóo, S. "Perceptual identification of fricatives in low-pass filtered C and CV segments", II Jornadas en Tecnología del Habla, Granada (Spain), 2002. [.ps]
Feijóo, S. and Fernández, S. "Acoustical effects of coarticulation in speech", Proceedings of International Congress on Acoustics, Rome (Italy), 2001. [.ps]
Fernández, S. and Feijóo, S. "Coarticulatory effects in perception", Proceedings of EuroSpeech, pp. 155-158, Aalborg (Denmark), 2001. [.ps]
Fernández, S., Feijóo, S., Balsa, R. and Barros, N. "Perceptual effects of coarticulation in fricatives", Proceedings of ICASSP, vol. 3, pp. 1347-1350, Istambul (Turkey), 2000. [.ps]
Fernández, S. and Feijóo, S. "A probabilistic model of integration of acoustic cues in FV syllables", Proceedings of ICSLP, Beijing (China), 2000. [.ps]
Fernández, S. and Feijóo, S. "Acoustic cues to perception of vowel quality", Proceedings of ICSLP, Beijing (China), 2000. [.ps]
Feijóo, S. and Fernández, S. "Efectos temporales de la integración fonética en sílabas FV", Primeras Jornadas Nacionales de Tecnología del Habla, Seville (Spain), 2000. [.pdf]
Feijóo, S., Fernández, S., Barros, N. and Balsa, R. "Acoustic and perceptual characteristics of the Spanish fricatives", Proceedings of EuroSpeech, vol. 4, pp. 1679-1682, Budapest (Hungary), 1999. [.ps]
Fernández, S., Feijóo, S. and Balsa, R. "Fractal characterization of Spanish fricatives", Proceedings of ICPhS, vol. 3, pp. 2145-2148, San Francisco (U.S.A.), 1999. [.ps]
Feijóo, S., Fernández, S. and Balsa, R. "Context effects in the auditory identification of Spanish fricatives /f/ and /th/: Hyper and hypospeech", Proceedings of ICA/ASA meeting, pp. 2025-2026, Seattle (U.S.A.), 1998. [.ps]
Feijóo, S., Fernández, S. and Balsa, R. "Integration of acoustic cues in Spanish voiced stops", Proceedings of ICA/ASA meeting, pp. 2933-2934, Seattle (U.S.A.), 1998. [.ps]
Fernández, S., Feijóo, S., Balsa, R. and Barros, N. "Acoustic cues for the auditory identification of the Spanish fricative /f/", Proceedings of ICSLP, vol. 5, pp. 2151-2154, Sydney (Australia), 1998. [.ps]
Fernández, S., Feijóo, S., Balsa, R. and Barros, N. "Recognition of vowels in fricative context", Proceedings of ICSLP, vol. 5, pp. 2155-2158, Sydney (Australia), 1998. [.ps]
Fernández, S., Feijóo, S. and Almeida, P. "Voicing affects perceived manner of articulation", Proceedings of ICSLP, Sydney (Australia), 1998. [.ps]

Conference abstracts

Gallego, M., Fernández, S., Feijóo, S. and Barros, N. "The relationship of the specific substrate degradation rate (Ac) and the enthalpies of the microbial reactions in soils", Thermodynamics 2003, p. 13(A), Cambridge (United Kingdom), 2003.
Gallego, M., Fernández, S., Feijóo, S. and Barros, N. "Microcalorimetric calculation of the specific rate of catabolic activity (Ac) of glucose in soils: biophysic significance and applications", 1st International Meeting on Applied Physics, p. 300(A), Badajoz (Spain), 2003.
Fernández, S. and Feijóo, S. "Computational models of integration in FV syllables", Proceedings of the ISCA Workshop on Temporal Integration in the Perception of Speech, Aix en Provence (France), 2002. [.pdf]
Feijóo, S., Fernández, S. and Álvarez, J. M. "A speech perception test for children in classrooms", Journal of the Acoustical Society of America, vol. 112, No. 5, Pt. 2, p. 2332(A), 2002. [link]
Fernández, S. and Feijóo, S. "Temporal integration of acoustic cues in fricative perception", Journal of the Acoustical Society of America, vol. 112, No. 5, Pt. 2, p. 2360(A), 2002. [link]
Feijóo, S., Fernández, S. and Balsa, R. "Influence of frequency range in the perceptual recognition of fricatives", Proceedings of Forum Acusticum/ASA/EAA/DEGA Congress, Acustica-Acta Acustica, vol. 85, supl. 1, page S475(A), 1999. [.ps, link]
Feijóo, S., Fernández, S., Barbosa, P. A. and Balsa, R. "Recognition of Portuguese vowels by Galician-speaking and Spanish-speaking listeners", Proceedings of Forum Acusticum/ASA/EAA/DEGA Congress, Acustica-Acta Acustica, vol. 85, supl. 1, page S170(A), 1999. [link]

Theses

Fernández, S. "Integración fonética en sílabas fricativa-vocal", Ph.D. Thesis, University of Santiago de Compostela (Spain), 2001.
Fernández, S. "Caracterización acústico-fonética y auditiva de fricativas y africadas. Efectos contextuales en sílabas iniciales", M.Sc. Thesis, University of Santiago de Compostela (Spain), 1997.

Technical reports

Fernández, S., Graves, A. and Schmidhuber, J. "Phoneme recognition in TIMIT with BLSTM-CTC", Technical Report IDSIA-04-08, IDSIA, April 2008. Also published as arXiv:0804.3269v1 [cs.CL]. [.pdf]