Publications

Google Scholar Profile

Book Chapters

  1. D. Bone, T. Chaspari, and S.S. Narayanan, “Behavioral signal processing and Autism. Learning from multimodal behavioral signals,” Autism Imaging and Devices, 2017.

Journal Publications

  1. D. Bone, C.C. Lee, T. Chaspari, J. Gibson, and S.S. Narayanan, “Signal Processing and Machine Learning for Behavioral and Mental Health Research and Clinical Applications,” accepted in IEEE Signal Processing Magazine, 2017.

  2. A.C. Timmons, T. Chaspari, S.C. Han, L. Perrone, S.S. Narayanan, and G. Margolin, “Multimodal detection of conflict in couples using wearable technology,” IEEE Computer, 50(3): 50-59, 2017. (pdf) (IEEE Computer interview)

  3. A.C. Timmons, S.C. Han, L. Perrone, T. Chaspari, B.R. Baucom, S.S. Narayanan, and G. Margolin, “New frontiers in ambulatory assessment: Big data methods for capturing couples’ emotions, vocalizations, and physiology in daily life,” Social Psychological and Personality Science, DOI: 10.1177/1948550617709115, 2017.

  4. T. Chaspari, A. Tsiartas, P. Tsilifis, and S.S. Narayanan, “Markov Chain Monte Carlo Inference of Parametric Dictionaries for Sparse Bayesian Approximations,” IEEE Transactions on Signal Processing, 64(12): 3077-3092, 2016. (pdf)

  5. T. Chaspari, A. Tsiartas, L.I. Stein, S.A. Cermak, and S.S. Narayanan, “Sparse Representation of Electrodermal Activity with Knowledge-Driven Dictionaries,” IEEE Transactions on Biomedical Engineering, 62(3): 960-971, 2015. (pdf)

  6. T. Chaspari, C. Soldatos, and P. Maragos, “The development of the Athens Emotional States Inventory (AESI): collection, validation and automatic processing of emotionally loaded sentences,” World Journal of Biological Psychiatry, 23: 1-11, 2015. (link)

Conference Publications

  1. T. Chaspari, S.C. Han, D. Bone, A.C. Timmons, L. Perrone, G. Margolin, and S.S. Narayanan, “Quantifying Regulation Mechanisms in Dating Couples through a Dynamical Systems Model of Acoustic and Physiological Arousal,” Proc. IEEE International Conference on Audio, Speech and Signal Processing (ICASSP), pp. 3001-3005, New Orleans, LA, 2017. (pdf)

  2. R. Balasubramanian, T. Chaspari, and S.S. Narayanan, “A Knowledge-Driven Framework for ECG Representation and Interpretation for Wearable Applications,” Proc. IEEE International Conference on Audio, Speech and Signal Processing (ICASSP), pp. 1018-1022, New Orleans, LA, 2017. (pdf)

  3. T. Chaspari, L.I. Stein Duker, S.A. Cermak, and S.S. Narayanan, “EDA-Gram: Designing Electrodermal Activity Fingerprints for Visualization and Feature Extraction”, Proc. International Conference of the IEEE Engineering in Medicine and Biology Society, pp. 403-406, Orlando, FL, 2016. (pdf)

  4. A. Youn, T. Chaspari, R. Gupta, and S.S. Narayanan, “Capturing the Structure of Electrodermal Activity with Deep Neural Networks”, Proc. International Conference of the IEEE Engineering in Medicine and Biology Society, Orlando, FL, 2016. (pdf)

  5. T. Chaspari and J. Fain Lehman, “An Acoustic Analysis of Child-Child and Child-Robot Interactions for Understanding Engagement during Speech-Controlled Computer Games”, Proc. Interspeech, San Francisco, CA, 2016. (pdf)

  6. D. Bone, J. Gibson, T. Chaspari, D. Can, and S.S. Narayanan, “Speech and Language Processing for Mental Health Research and Care,” Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, 2016.

  7. T. Chaspari, S.C. Han, D. Bone, A.C. Timmons, L. Perrone, G. Margolin, and S.S. Narayanan, “Dynamical Systems Modeling of Acoustic and Physiological Arousal in Young Couples,” Proc. Association for the Advancement of Artificial Intelligence (AAAI) Spring Symposia, pp. 21-24, Stanford, CA, 2016. (pdf)

  8. R. Gupta, T. Chaspari, J. Kim, N. Kumar, D. Bone, and S.S. Narayanan, “Pathological Speech Processing: State-of-the-art, current challenges, and future directions,” Proc. IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), pp. 6470-6474, Shanghai, China, 2016. (pdf)

  9. T. Chaspari, S. Al Moubayed, J. Fain Lehman, “Exploring children’s verbal and acoustic synchrony: Towards promoting engagement in speech-controlled robot-companion games,” Proc. First International Workshop on Modeling Interpersonal Synchrony, ICMI, pp. 21-24, Seattle, WA, 2015. (pdf)

  10. R. Gupta, T. Chaspari, P. Georgiou, D. Atkins and S.S. Narayanan, “Analysis and modeling of the role of laughter in motivational interviewing based psychotherapy conversations,” Proc. Interspeech, pp. 1962-1966, Dresden, Germany, 2015. (pdf)

  11. T. Chaspari, B. Baucom, A. C. Timmons, A. Tsiartas, L. Borofsky Del Piero, K.J.W. Baucom, P. Georgiou, G. Margolin, and S.S. Narayanan, “Quantifying EDA synchrony through joint sparse representation: A case-study of couples’ interactions,” IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), pp. 817-821, Brisbane, Australia, 2015. (pdf)

  12. T. Chaspari, M. Goodwin, O. Wilder-Smith, A. Gulsrud, C.A. Mucchetti, C. Kasari and S.S. Narayanan, “A non-homogeneous Poisson Process model of skin conductance responses integrated with observed regulatory behaviors for Autism intervention,” Proc. IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), pp. 1630-1634, Florence, Italy, 2014. (pdf)

  13. T. Chaspari, D. Dimitriadis and P. Maragos, “Emotion classification of speech using modulation features,” Proc. European Signal Processing Conference (EUSIPCO), Lisbon, Portugal, 2014 (pdf)

  14. T. Chaspari, E. Mower Provost and S.S. Narayanan, “Analyzing the Structure of Parent-Moderated Narratives from Children with ASD Using an Entity-Based Approach,” Proc. Interspeech, pp. 2430-2434, Lyon, France, 2013. (pdf)

  15. A. Tsiartas, T. Chaspari, A. Katsamanis, P. Kumar Gosh, M. Li, M. Van Segbroeck, A. Potamianos and S.S. Narayanan, “Multi-band long-term signal variability features for robust voice activity detection,” Proc. InterSpeech, pp. 718-722, Lyon, France, 2013. (pdf)

  16. D. Bone, T. Chaspari and K. Audhkhasi and J. Gibson and A. Tsiartas and M. Van Segbroeck and M. Li and S. Lee and S.S. Narayanan, “Classifying Language-Related Developmental Disorders from Speech Cues: the Promise and the Potential Confounds,” Proc. InterSpeech, pp. 182-186, Lyon, France, 2013. (pdf)

  17. D. Bone, C.C. Lee, T. Chaspari, M. P. Black, M. Williams, S. Lee, P. Levitt and S.S. Narayanan, “Acoustic-Prosodic, Turn-taking, and Language Cues in Child-Psychologist Interactions for Varying Social Demand,” Proc. Interspeech, pp. 2400-2404, Lyon, France, 2013. (pdf)

  18. T. Chaspari, D. Bone, J. Gibson, C.C. Lee and S.S. Narayanan, “Using physiology and language cues for modeling verbal response latencies of children with ASD,” Proc. IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), pp. 3702-3706, Vancouver, BC, Canada, 2013. (pdf)

  19. T. Chaspari, C.C. Lee and S.S. Narayanan, “Interplay between verbal response latency and physiology of children with autism during ECA interactions,” Proc. Interspeech, pp. 1319-1322, Portland, OR, 2012. (pdf)

  20. T. Chaspari, E. Mower Provost, A. Katsamanis and S.S. Narayanan, “An acoustic analysis of shared enjoyment in ECA interactions of children with Autism,” Proc. IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), pp. 4485-4488, Kyoto, Japan, 2012. (pdf)

  21. E. Mower, C.C. Lee, J. Gibson, T. Chaspari, M.E. Williams and S.S. Narayanan, “Analyzing the Nature of ECA Interactions in Children with Autism,” Proc. Interspeech, pp. 2989-2993, Florence, Italy, 2011. (pdf)

Conference Abstracts

  1. A.C. Timmons, S.C. Han, Y. Kim, O. Shin, L. Perrone, T. Chaspari, S.S. Narayanan, and G. Margolin, “Family-of-Origin Aggression, Physiological Stress Reactivity in Daily Life, and the Perpetration of Aggression in Young Adulthood,” to appear in Society for Research and Child Development (SRCD) Biennial Meeting, Austin, TX, 2017.

  2. R. Arbel, M.E. Daspe, T. Chaspari, L. Perrone, C. Pettit, M. Friendly, M. Estafanous, and G. Margolin, “Let’s talk about loss: Adverse Childhood Experiences and Electrodermal Activity During Dating Couples’ Loss Discussions,” to appear in Society for Research and Child Development (SRCD) Biennial Meeting, Austin, TX, 2017.

  3. S.C. Han, A.C. Timmons, Y. Kim, H. Rasmussen, T. Chaspari, P. Bisla, M. Estafanous, P. Rajeev, K. Salehani, O. Shin, L. Perrone, and G. Margolin, “Parent-to-child aggression and anger words in daily life among young adults,” to appear in Society for Research and Child Development (SRCD) Biennial Meeting, Austin, TX, 2017.

  4. K. Leo, A.O. Crenshaw, J. Hogan, S. Bourne, T. Chaspari, K.J.W. Baucom, and B.R. Baucom, “Demand/withdraw behavior, emotional expression, and physiological reactivity during marital conflict,” Association for Behavioral and Cognitive Therapies (ABCT) Annual Convention, Chicago, IL, 2015.

  5. A.C. Timmons, T. Chaspari, L. Perrone, T. Feng, S.S. Narayanan, and G. Margolin, “Dating Aggression and Physiological Connectedness in Everyday Life,” Biennial Conference of the Society for Ambulatory Assessment, State College, PA, 2015.

  6. A.C. Timmons, T. Feng, T. Chaspari, S.S. Narayanan and G. Margolin, “An Evaluation of Novel Methodologies for Capturing Couple Dynamics in the Home Environment,” International Convention of Psychological Science (ICPS), Amsterdam, The Netherlands, 2015.

  7. A.C. Timmons, T. Chaspari, S.S. Narayanan and G. Margolin, “The Association between Family Aggression History and Physiological Coregulation in Dating Relationships,” Society for Research and Child Development (SRCD) Biennial Meeting, Philadelphia, PA, 2015.

  8. L. Stein, T. Chaspari, S.A. Cermak, S.S. Narayanan, A. Schell and M. Dawson, “Using a Wireless Measure of Electrodermal Activity: Comparisons to Traditional Wired Equipment,” submitted to the International Meeting for Autism Research (IMFAR), Salt Lake City, UT, 2015.

  9. L. Stein, T. Chaspari, S.A. Cermak, S.S. Narayanan, A. Schell and M. Dawson, “Preliminary validation of the Q-Sensor: An innovative measure of real world electrodermal activity,” Society of Pediatric Psychology Annual Conference, San Diego, CA, 2015.

  10. T. Chaspari, C.C. Lee, M.P. Black and S.S. Narayanan, “Analyzing the Physiological Synchrony of Children with Autism and their Parents with Signal Processing Techniques,” International Meeting for Autism Research (IMFAR), Toronto, Canada, 2012. (abstract)

  11. M. P. Black, D. Bone, T. Chaspari, A. Tsiartas, P. Gorrindo, M. E. Williams, P. Levitt and S.S. Narayanan, “Signal Processing Tools for the Automatic Analysis of Child-Psychologist Interactions,” International Meeting for Autism Research (IMFAR), San Diego, CA, USA, 2011.