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First author publications

Journals

Hagen, A. & Morris, A.C. (2003) "Recent advances in the multi-stream HMM/ANN hybrid approach to noise robust ASR", IDIAP-RR 02-57, 2002. PostScript Pdf Abstract, and in Computer, Speech and Language Vol. 19, Issue 1, January 2005, Pages 3-30.
Morris, A.C., Hagen, A., Glotin, H. & Bourlard, H. (2001) "Multi-stream adaptive evidence combination for noise robust ASR", Speech Communication, Vol.34, pp.25-40. AbstractPostScript Pdf Tech Report IDIAP-RR 99-26
Morris, A.C., Schwartz, J.-L., Escudier, P. (1993) "An information-theoretical investigation into the distribution of phonetic information across the auditory spectrogram", Computer Speech and Language (2), pages 121-136. Abstract

Conferences & Technical Reports

2006:

Morris, A.C., Wu, D. & Koreman, J., (2006) "Discriminative feature projection for noise robust speaker identification", Tech. report, Pdf

Koreman, J., Morris, A.C., Jassim, S., Sellahewa, H., Chollet, G., Aversano, G., Salicetti, S. & Allano, L. (2006) "Multi-modal biometric authentication on the SecurePhone PDA", Proc. MMUA workshop on Mult-Modal User Authentication, Toulouse, France, May 2006 (in press). Pdf
Morris, A.C., Jassim, S., Sellahewa, H., Allano, L., Ehlers, J., Wu, D., Koreman, J., Garcia-Salicetti, S., Ly-Vav, B. & Dorizzi, B. (2006) "Multimodal person authentication on a smartphone under realistic conditions", Proc. SPIE conference on mobile multimedia/image processing for military and security applications, Orlando (in press). Pdf
Morris, A.C., Koreman, J., Sellahewa, H. Ehlers, J., Jassim, S., Allano, L. & Garcia-Salicetti, S., (2006) "The SecurePhone PDA database, experimental protocol and automatic test procedure for multi-modal user authentication", Tech. Report, Saarland University , Institute of Phonetics. Pdf
Wu, D., Morris, A.C. & Koreman, J. (2006) "SOM trajectory as complementary speech representation in multi-stream speaker recognition", internal document. Pdf

2005:

Wu, D., Morris, A.C. & Koreman, J. (2005) "MLP internal representation as discriminative features for improved speaker recognition", Proc. NOLISP 2005. Pdf
Wu, D., Koreman, J. & Morris, A.C. (2005) "Discriminative features by MLP preprocessing for robust speaker recognition in noise", Proc. ESSV, 2005 Pdf
Morris, A.C., Wu, D. & Koreman, J. (2005) "MLP trained to separate problem speakers provides improved features for speaker identification", Proc. ICCST 2005. Pdf

Morris, A.C., Maier, V. & Green, P.D. (2004) "From WER and RIL to MER and WIL: improved evaluation measures for connected speech recognition", Proc. ICSLP 2004, Pdf Abstract Poster
Morris, A.C., Wu, D. & Koreman, J. (2004) "An analysis of GMM based clustering in the acoustic feature space of the Timit speech database", CoLi TR. Pdf

Misra, H. & Morris, A.C. (2003) "Confusion Matrix Based Entropy Correction in Multi-stream Combination", Proc. Eurospeech 2003.

Morris, A.C. (2002) "Noise PDF transformation in secondary feature processing ", IDIAP Technical Report, IDIAP-RR 02-29, PostScript Pdf
Morris, A.C. (2002) "An information theoretic measure of sequence recognition performance", IDIAP Communication com02-03, PostScript Pdf
Morris, A.C., Misra, H. (2002) "Confusion matrix based posterior probabilities corection ", Eurospeech 2003. PostScript Pdf
Morris, A.C., Payne, S.M. & Bourlard, H. (2002) "Low cost duration modelling for noise robust speech recognition", Proc. ICSLP 2002, pp.1025-1028. PostScript Pdf Also IDIAP-RR 02-08, technical report

Morris, A.C. (2001) "Data utility modelling for mismatch reduction ", CRAC workshop on Consistent & Reliable Acoustic Cues for sound analysis, Proc. Eurospeech 2001 (no page numbers) PostScript Pdf
Morris, A.C., Barker, J. & Bourlard, H. (2001) "From missing data to maybe useful data: soft data modelling for noise robust ASR", Proc. WISP workshop on innovative methods in speech recognition. Postscript
Morris, A.C., Hagen, A. & Bourlard, H. (2001) "MAP Combination of Multi-Stream HMM or HMM/ANN Experts", Proc. Eurospeech 2001, pp.225-228. PostScript Pdf Abstract
Morris, A.C., Obermaier, B. & Pfurtscheller, G. (2001) "EEG pattern recognition through multi-stream evidence combination", Proc. World Congress on Neuroinformatics", 2001. PostScript Pdf Abstract

Morris, A.C. (2000) "Some applications of a priori knowledge in multi-stream HMM and HMM/ANN based ASR", Phonus No.5, Dec.2000, ISSN 0949-1791, Institute of Phonetics, University of Saarland. PostScript Pdf Abstract
Morris, A.C., Josifovski, L., Bourlard, H., Cooke, M., & Green, P. (2000) "A neural network for classification with incomplete data: application to robust ASR", Proc. ICSLP 2000, PostScript Pdf Abstract

Morris, A.C. (1999) "Latent variable decomposition for posteriors or likelihood based sub-band ASR", Research Report IDIAP-Com 99-04, PostScript
Morris,A.C., Hagen, A. & Bourlard, H. (1999) "The full combination sub-bands approach to noise robust HMM/ANN based ASR", Proc. Eurospeech'99, pages 599-602. PostScript Pdf

Morris,A.C., Cooke,M. & Green,P. (1998) "Some solutions to the missing feature problem in data classification, with application to noise robust ASR" , Proc. ICASSP'98, pages 737-740. Abstract Article PostScript Pdf Poster Postscript Pdf

Morris, A.C., Bloothooft, G. , Barry, W.J., Andreeva, B & Koreman, J. (1997) "Human and machine identification of consonantal place of articulation from vocalic transition segments", Proc. Eurospeech'97, pages 2123-2126. Abstract Postscript Pdf

Morris, A.C., Pardo, J.M. (1995) "Phoneme transition detection and broad classification using a simple model based on the function of onset detector cells found in the cochlear nucleus", Proc. Eurospeech'95, pages 115-118. Abstract Postscript Pdf

Morris, A.C. (1994) "Direct calculation of the expected output from a spike-based model of the cochlear nucleus", Proc. Neuromimetisme'94, pages 143-147. Abstract Postscript Pdf

Morris, A.C. (1992) "An information-theoretical study of speech processing in the peripheral auditory system and cochlear nucleus: application to the recognition of French voicesstop consonants", PhD thesis, ICP, INPG, Grenoble, France, abstract in English / French