2012
Soens P., and Verhelst W., "On split Dynamic Time Warping for robust Automatic Dialogue Replacement", from Signal Processing, issue 2, vol.92, pp.439 - 454, published by Elsevier, 2012. Download.
Patsis G., and Poulisse G., "Unsupervised scene detection and commentator building using multi-modal chains",
2010
Poulisse G., Moens M., Dekens T., and Deschacht K., "News story segmentation in multiple modalities", Journal on Multimedia Tools and Applications, issue Volume 48, Number 1 / May, 2010, pp.3 - 22, published by Springer Netherlands, 2010. Download.
Van Puyvelde M., Vanfleteren P., Loots G., Deschuyffeleer S., Vinck B., Jacquet W., and Verhelst W., "Tonal Synchrony in Mother-Infant Interaction based on Harmonic and Pentatonic Series", infant behavior and development, issue 4, vol.33, pp.387 - 400, published by Elsevier, 2010.
2009
Mattheyses W., Latacz L., and Verhelst W., "On the importance of audiovisual coherence for the perceived quality of synthesized visual speech", EURASIP Journal on Audio, Speech, and Music Processing, from SI: Animating Virtual Speakers or Singers from Audio: Lip-Synching Facial Animation, eds. GĂrard Bailly, Sascha Fagel, Barry-John Theobald, published by Hindawi, 2009. Download.
Jiang D., Ravyse I., Sahli H., and Verhelst W., "Speech driven realistic mouth animation based on multi-modal unit selection", from Journal on Multimodal User Interfaces, 2009. Download.
Duchateau J., Kong Y., Cleuren L., Latacz L., Roelens J., Samir A., Demuynck K., Ghesquičre P., Verhelst W., and Van Hamme H., "Developing a reading tutor: Design and evaluation of dedicated speech recognition and synthesis modules", Speech Communication, vol.51, n. 10, pp.985 - 994, published by Elsevier, 2009.
2008
Saldien J., Goris K., Yilmazyildiz S., Verhelst W., and Lefeber D., "On the design of the huggable robot Probo", from Journal of Physical Agents, issue Special Issue on Human Interaction with Domestic R, vol.2, n. 2, pp.3 - 12, eds. Miguel Cazorla, Vicente Matellan, 2008. Download.
Slavova V., Verhelst W., and Sahli H., "A Cognitive Science Reasoning in Recognition of Emotions in Audio -Visual Speech", International Journal Information theories & applications, IJ IT, vol.2, n. 4, pp.324 - 334, 2008.
2007
Soens P., and Verhelst W., "Split Time Warping of Speech for Robust Automatic Dialogue Replacement", vol.28, n. 2, pp.71 - 75, published by IngenierĂa ElectrĂnica, AutomĂtica y Comunicaciones, 2007.
Jiang X., Geerinck T., Patsis G., Kog M., Loots G., Verhelst W., and Sahli H., "Audiovisual Scene Analysis: Mother-Child Communication", BIOINGENIERĂA, issue 2, n. 2, pp.55 - 60, 2007.
Shami M., and Verhelst W., "An evaluation of the robustness of existing supervised machine learning approaches to the classification of emotions in speech", from Speech Communication, vol.49, n. 3, pp.201 - 212, published by Elsevier, 2007. Download.
2006
Yilmazyildiz S., Mattheyses W., Patsis G., and Verhelst W., "Expressive Speech Recognition and Synthesis as Enabling Technologies for Affective Robot-Child Communication", from Lecture Notes in Computer Science, vol.426, pp.1 - 8, eds. Y. Zhuang, S. Yang, Y. Rui, Q. He, published by Springer Berlin / Heidelberg, 2006. Download.
2005
Hermus K., Verhelst W., Lemmerling P., Wambacq P., and Van Huffel S., "Perceptual Audio Modeling with Exponentially Damped Sinusoids", Signal Processing, Vol. 85 No. 1, pp. 163-176, January 2005, 2005.
Hermus K., Verhelst W., Lemmerling P., Wambacq P., and Van Huffel S., "Perceptual Audio Modeling with Exponentially Damped Sinusoids", Signal Processing, - 176, 2005.
2004
Hermus K., Verhelst W., Lemmerling P., Wambacq P., and Van Huffel S., "Perceptual audio modeling with exponentially damped sinusoids", Signal Processing, Elsevier, 2004.
Lei X., Jiang D., Ravyse I., Rongchun Z., Sahli H., Verhelst W., Cornelis J., and Lemahieu I., "A Viseme Based Speech Recognition System for Talking Head Animation", Chinese Journal of Computer Applications and Software, issue 5, - 24, 2004.
Lei X., Jiang D., Ravyse I., Rongchun Z., Sahli H., Verhelst W., and Cornelis J., "Experimental Research on Audio Visual Fusion and on Model Asynchrony for Raising Speech Recognition Rate", Journal of Northwestern Polytechnical University, issue 2, - 175, 2004.
Ravyse I., Jiang D., Sahli H., Verhelst W., Cornelis J., Lei X., and Rongchun Z., "An eigen mouth based audio visual continuous speech recognition system in noisy environments", from Journal of Computer Engineering and Application, vol.16, pp.3 - 6, 2004.
2003
Lei X., Ravyse I., Jiang D., Rongchun Z., Sahli H., Verhelst W., and Cornelis J., "A datasieve based multi-stream hmm audiovisual continuous speech recognition system", Computer Applications, issue 7, - 3, 2003.
Lei X., Ravyse I., Jiang D., Rongchun Z., Sahli H., Verhelst W., and Cornelis J., "An Eigen Mouth Based Audio Visual Continuous Speech Recognition System in Noisy Environments", Journal of Computer Engineering and Application, - 6, 2003.
Ravyse I., Jiang D., Sahli H., Verhelst W., Cornelis J., Lei X., and Rongchun Z., "A datasieve based audiovisual continuous speech recognition system", from Computer Applications, vol.2, n. 7, pp.1 - 3, 2003.
2000
Verhelst W., "Overlap-Add Methods for Time-Scaling of Speech", Speech Communication, issue 4, - 221, 2000.
1995
Verhelst W., and Rutten P., "Technieken en Toepassingen voor Spraak Modificatie", Het Ingenieursblad, pp. 25 - 32, 1995.
1993
Verhelst W., "A Study Towards High-Quality Speech Production Schemes for Synthesis and Coding", Revue HF (special issue: Speech Processing), nos 1, 2, 3, pp. 109 - 117, 1993.
1991
Verhelst W., "A system for prosodic transplantation with research applications", IPO Annual Progress Report (ISSN 0921-2566), 29 - 38, 1991.
1986
Verhelst W., and Steenhaut O., "A New Model for the Short-Time Complex Cepstrum of Voiced Speech", IEEE Trans. on Acoust., Speech, and Signal Processing, ASSP-34, 43-51, 1986.
1985
Verhelst W., and Steenhaut O., "Comments on Pole-Zero Analysis of Voiced Speech Using Group Delay Characteristics", IEEE Trans. on Acoust., Speech, and Signal Processing, ASSP-33, 1049 - 1051, 1985.
1983
Verhelst W., Steenhaut O., Smets K., and Van Lerberghe S., "A Closed Loop Structure in Formant Tracking for Speech Coding", Revue HF, XII, 186 - 194, 1983.
Research