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Cognitive Load Research
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About the Team

Publications
Cognitive Load Measurement Team

A selection of publications and patents are listed below. The full list of our publications is available here.

Book chapters / Journals

  • Le, P., Ambikairajah, E., Epps, J., Vidhyasaharan, S. and Choi, E., "Investigation of Spectral Centroid Features for Cognitive Load Classification", Speech Communication, vol. 53, no. 4, April 2011, pp. 540-551.
  • Yap, T. F., Epps, J., Ambikairajah, E. and Choi, E., "Formant Frequencies under Cognitive Load: Effects and Classification", EURASIP Journal on Advances in Signal Processing, vol. 2011, Article ID 219253, 11 pages, January 2011. doi:10.1155/2011/219253.
  • Vinh, N. X., Epps, J., and Bailey, J., "Information Theoretic Measures for Clusterings Comparison: Variants, Properties, Normalization and Correction for Chance", Journal of Machine Learning Research, vol. 11, October 2010, pp. 2837-2854.
  • Nosratighods, M., Ambikairajah, E., Epps, J., and Carey, M., "A Segment Selection Technique for Speaker Verification", Speech Communication, vol. 52, no. 9, September 2010, pp. 753-761.
  • Gunawan, T. S., Ambikairajah, E.., and Epps, J., "Perceptual Speech Enhancement Exploiting Temporal Masking Properties of Human Auditory System", Speech Communication, vol. 52, no. 5, May 2010, pp. 381-393.
  • Ruiz, N., Chen, F. and Oviatt S., "Multimodal Input", in Multimodal Signal Processing: Theory and Applications for Human-Computer Interaction. Edited by Thiran, J.P., Marques, F. and Bourlard, H., Elsevier, 2010, Chapter 12, pp. 231-255.
  • Shi, Y. and Dias Real, F., "Smart Cameras: Fundamentals and Classifications", in Smart Cameras, Belbachir A. N. (Ed), Springer, December 2009, Chapter 2, pp. 19-34.
  • Chen, F. and Sun, Y., "An Efficient Unification-based Multimodal Language Processor for Multimodal Input Fusion", in Multimodal Human Computer Interaction and Pervasive Services, Grifoni, Patrizia (Ed.), IGI global, May 2009, Chapter IV, pp. 58-87.
  • Thiruvaran, T., Nosratighods, M., Ambikairajah, E., and Epps, J., "Computationally Efficient Frame-averaged FM Feature Extraction for Speaker Recognition", IET Electronics Letters, vol. 45, no. 6, March 2009, pp. 335-336.
  • R. Taib and N. Ruiz, "Integrating Semantics into Multimodal Interaction Patterns," in Machine Learning for Multimodal Interaction. LNCS 4892, H. Bourlard, S. Renals, and A. Popescu-Belis (Eds). Berlin: Springer-Verlag, 2008, pp. 96-107. (pdf) © Springer-Verlag
  • Choi, E., Taib, R., Shi, Y. and Chen, F., "Multimodal User Interface for Traffic Incident Management in Control Room", IET Intelligent Transport Systems, vol. 1, no.1, Mar 2007, pp. 27-36.
  • Sun, Y., Chen, F., Shi, Y. and Chung, V., "An Input-Parsing Algorithm Supporting Integration of Deictic Gesture in Natural Language Interface", in Human-Computer Interaction: HCI Intelligent Multimodal Interaction Environments, Jacko, Julie A. (Ed.), Springer-Verlag Berlin Heidelberg 2007, pp. 206-215.
  • Yin, B. and Chen, F., "Towards Automatic Cognitive Load Measurement from Speech Analysis", in Human-Computer Interaction: HCI Intelligent Multimodal Interaction Environments, Jacko, Julie A. (Ed.), Springer-Verlag Berlin Heidelberg 2007, pp. 1011-1020.
  • Chen, F. and Epps, J. (editors), Multimodal User Interaction 2005, Proceedings of the Multimodal Interaction Workshop 2005, CRPIT Vol. 57, April 2006.

Conferences

  • Yap, T. F., Epps, J., Ambikairajah, E. and Choi, E., "Voice Source Features for Cognitive Load Classification", Proc. IEEE International Conference on Acoustic, Speech and Signal Processing (ICASSP'11), Prague, Czech Republic, May 2011, pp. 5700-5703.
  • Kua, J., Ambikairajah, E., Epps, J. and Togneri, R., "Speaker Verification Using Sparse Representation Classification", Proc. IEEE International Conference on Acoustic, Speech and Signal Processing (ICASSP'11), Prague, Czech Republic, May 2011, pp. 4548-4551.
  • Xu, J., Wang, Y., Chen, F., Choi, E., Li, G., Chen, S. and Hussain, S., "Pupillary Response Based Cognitive Workload Index under Luminance and Emotional Changes", Proc. SIGCHI Conference on Human Factors in Computing Systems (CHI'11), Vancouver, Canada, May 2011, pp. 1627-1632.
  • Chen, S., Epps, J., Ruiz, N and Chen, F., "Eye Activity as a Measure of Human Mental Effort in HCI", Proc. International Conference on Intelligent User Interfaces (IUI'11), Palo, Alto, U.S.A., February 2011, pp. 315-318.
  • Yu, K., Epps, J. and Chen, F., "Cognitive Load Evaluation of Handwriting Using Stroke-level Features", Proc. International Conference on Intelligent User Interfaces (IUI'11), Palo, Alto, U.S.A., February 2011, pp.423-426.
  • Vinh, N. X. and Epps, J., "minCEntropy: a Novel Information Theoretic Approach for the Generation of Alternative Clusterings", Proc. IEEE International Conference on Data Mining (ICDM'10), Sydney, Australia, December 2010, pp. 521-530.
  • Zarjam, P., Epps, J. and Chen F., "Evaluation of Working Memory Load using EEG Signals", Proc. APSIPA Annual Summit and Conference (APSIPA'10), Biopolis, Singapore, December 2010, pp. 715-719.
  • Cheng, K., Mueller-Tomfelde, C., Ruiz, N., "Interactive Tabletops with Non-Interactive Rims", Proc. Annual Conference of the Computer-Human Interaction Special Interest Group of the HFESA (OzCHI'10), Brisbane, Australia, November 2010, pp. 296-299.
  • Yap, T. F., Epps, J., Ambikairajah, E. and Choi, E., "An Investigation of Formant Frequencies for Cognitive Load Classification", Proc. Annual Conference of the International Speech Communication Association (InterSpeech'10), Makuhari, Japan, September 2010, pp. 2022-2025.
  • Kua, J., Tharmarajah, T., Nosratighods, M., Ambikairajah, E. and Epps, J., "Investigation of Spectral Centroid Magnitude and Frequency for Speaker Recognition," in Proc. Odyssey: The Speaker and Language Recognition Workshop, Brno, Czech Republic, June/July 2010, pp. 34-39.
  • Yap, T. F., Epps, J., Choi, E. and Ambikairajah, E., "Glottal Features for Speech-Based Cognitive Load Classification", Proc. IEEE International Conference on Acoustic, Speech and Signal Processing (ICASSP'10), Dallas, USA, March 2010, pp. 5234-5237.
  • Khawaja, M. A., Chen, F. and Marcus, N., "Using Language Complexity to Measure Cognitive Load for Adaptive Interaction Design", Proc. International Conference on Intelligent User Interfaces (IUI'10), Hong Kong, China, February 2010, pp. 333-336.
  • Thiruvaran, T., Ambikairajah, E. and Epps, J., "Analysis of Band Structures for Speaker-specific Information in FM Feature Extraction", Proc. 10th Annual Conference of the International Speech Communication Association (InterSpeech 2009), Brighton, U.K., September 2009, pp. 1111-1114.
  • Vidhyasaharan, S., Ambikairajah, E. and Epps, J., "Pitch Contour Parameterisation based on Linear Stylisation for Emotion Recognition", Proc. 10th Annual Conference of the International Speech Communication Association (InterSpeech 2009), Brighton, U.K., September 2009, pp. 2011-2014.
  • Khawaja, M. A., Chen, F., Owen, C., Hickey, G., "Cognitive Load Measurement from User's Linguistic Speech Features for Adaptive Interaction Design", Proc. 12th IFIP International Conference on Human-Computer Interaction (INTERACT'09), Uppsala, Sweden, August 2009, pp. 485-489.
  • Yap, T. F., Ambikairajah, E., Choi, E. and Chen, F., "Phase Based Features for Cognitive Load Measurement System", Proc. IEEE International Conference on Acoustic, Speech and Signal Processing (ICASSP'09), Taipei, Taiwan, April 2009, pp. 4825-4828.
  • Yin, B., Ambikairajah, E. and Chen, F., "Voiced/Unvoiced Pattern-based Duration Modeling for Language Identification", Proc. IEEE International Conference on Acoustic, Speech and Signal Processing (ICASSP'09), Taipei, Taiwan, April 2009, pp. 4341-4344.
  • Sun Y., Shi, Y., Chen, F. and Chung V., "Skipping Spare Information in Multimodal Inputs during Multimodal Input Fusion", Proc. International Conference on Intelligent User Interfaces (IUI'09), Sanibel Island, USA, February 2009, pp. 451-455.
  • Khawaja, M. A., Ruiz, N., Chen, F., "Think before you talk: An empirical study of Relationship between Speech pauses and Cognitive load", Proc. Australasian Computer-Human Interaction Conference 2008 (OzCHI'08), Cairns, Australia, Dec. 2008, pp. 335-338.
  • Yin, B., Chen, F., Ruiz, N. and Ambikairajah, E., "Investigating Speech Features and Automatic Measurement of Cognitive Load", Proc. IEEE 2008 International Workshop on Multimedia Signal Processing (MMSP'08), Cairns, Australia, October 2008, pp. 988-993.
  • Thiruvaran, T., Ambikairajah, E., and Epps, J., "FM Features for Forensic Speaker Recognition", Proc. InterSpeech 2008, Brisbane, Australia, September 2008, pp. 1497-1500.
  • Vidhyasaharan, S., Ambikairajah, E., and Epps, J., "Phonetic and Speaker Variations in Automatic Emotion Classification", Proc. Interspeech 2008, Brisbane, Australia, September 2008, pp. 617-620.
  • Sun, Y., Prendinger. H., Shi, Y., Chen, F., Chung, V. and Ishizuka, M., "THE HINGE between Input and Output: Understanding the Multimodal Input Fusion Results In an Agent-Based Multimodal Presentation System", Proc. SIGCHI Conference on Human Factors in Computing Systems (CHI'08), Florence, Italy, Apr. 2008, pp. 3483-3488. (pdf)
  • Yin, B., Chen, F., Ruiz, N. and Ambikairajah, E., "Speech-based Cognitive Load Monitoring System", Proc. IEEE International Conference on Acoustic, Speech and Signal Processing (ICASSP'08), Las Vegas, March/April 2008, pp. 2041-2044.
  • Wang, L., Ambikairajah, E. and Choi, E., "Language Identification Using Modified MLKSFM for Pre-classification with Novel Front-end Features", Proc. IEEE International Conference on Acoustic, Speech and Signal Processing (ICASSP'08), Las Vegas, March/April 2008, pp. 4245-4248.
  • Yin, B., Ruiz, N., Chen, F. and Khawaja, M. A., "Automatic Cognitive Load Detection from Speech Features", Proc. Australasian Computer-Human Interaction Conference 2007 (OzCHI'07), Adelaide, Nov. 2007, pp. 249-255 (Best Paper Award).
  • Ruiz, N., Taib, R., Shi, Y., Choi, E. and Chen, F., "Using Pen Input Features as Indices of Cognitive Load" Proc. 9th International Conference on Multimodal Interfaces (ICMI'07), Nagoya, Japan, Nov. 2007, pp. 315-318.
  • Chen, F., Taib, R., Choi, E., Shi, Y. and Yee, D., "User Interface Design for Traffic Incident Management Systems", Proc. 14th World Congress on Intelligent Transport Systems, Beijing, China, Oct. 2007, paper 3003, on CD. (pdf) © ITS World Congress on Intelligent Transport Systems & ITS Japan
  • Shi, Y., Ruiz, N., Taib, R., Choi, E. and Chen, F., "Galvanic Skin Response (GSR) as an Index of Cognitive Load", Proc. SIGCHI Conference on Human Factors in Computing Systems (CHI'07), San Jose, April/May 2007, pp. 2651-2656. (pdf)

Patents

  • Chen, Fang and Yu, Kun, "Measuring Cognitive Load" (Pen Gesture Analysis), AU2011901661, May 4, 2011.
  • Chen, Fang; Khawaja, Muhammad Asif and Choi, Eric, "Measuring Cognitive Load" (Speech Content Analysis), AU2009299102, Sept 29, 2009.
  • Choi, Eric and Epps, Julien, "Front-end Processing of Speech Signals", WO2007041789, Apr 19, 2007.
  • Chen, Fang; Ruiz, Natalie and Choi, Eric, "Measuring Cognitive Load", WO2007000030, Jan 4, 2007 and CA2655189, Dec 12, 2008.
  • Taib, Ronnie; Chen, Fang and Shi, Yu, "Multimodal Computer Navigation", WO2006128248, Dec 7, 2006.

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