Heysem Kaya

Heysem KayaResearch & Teaching Assistant at Department of Computer Engineering, Boğaziçi University, Bebek /Istanbul
Email: heysem at boun dot edu dot tr
Office: ETA 26 (MediaLab)- Tel: +90 212 359 4490
Office hours MWF 14:00-16:00 (other times can also be arranged via email)


  • PhD: Boğaziçi University,Computer Engineering, '15
  • MS: Bahçeşehir University,Computer Engineering, '09
  • BS: Boğaziçi University,Computer & Educational Technology, '06

Assisted Courses (in BU/CmpE)

Research Interests

  1. Machine Learning
    • Pattern Recognition
    • Artificial Neural Networks
    • Data Mining
    • Clustering / Finite Mixture Models
    • Speech Processing
    • Speech Emotion Recognition
    • Multi-View/Ensemble/Localized Learning
    • Intelligent Biomedical Applications
  2. Computer Assisted Instruction
    • Intelligent Tutoring Systems


Indexed Journals

  1. Kaya H.; Ozkaptan, T.; Salah, A.A.; Gurgen, F., "Random Discriminative Projection based Feature Selection with Application to Conflict Recognition", Signal Processing Letters, IEEE, Vol. 22, No. 6, pp. 671--675, 2015. doi: 10.1109/LSP.2014.2365393, paper
  2. Kaya H.; Salah, A.A. "Combining Modality-Specific Extreme Learning Machines for Emotion Recognition in the Wild", Journal on Multimodal User Interfaces, 2015, doi:10.1007/s12193-015-0175-6, paper
  3. Vegas, M.; Halfon S.; Cavdar A.; Kaya H., "When Interventions Make An Impact: An Empirical Investigation of Analyst's Communications and Patient's Productivity", Psychoanalytic Psychology, 2015, doi:10.1037/a0039020

Technical Reports (Pre-Print)

  1. Kaya H.; Salah, A.A. "Adaptive Mixtures of Factor Analyzers", arXiv preprint arXiv:1507.02801 submitted to Pattern Recognition, 2015

International Conferences

  1. Kaya H.; Salah A.; Karpov A., "Fisher Vectors with Cascaded Normalization for Paralinguistic Analysis.", INTERSPEECH 2015, Dresden, Germany paper
  2. Lyakso E.; Frolova O.; Dmitrieva E.; Grigorev A.; Kaya H.; Salah A.; Karpov A. "EmoChildRu: Emotional Child Russian Speech Corpus." In Proc. International Conference on Speech and Computer SPECOM-2015, Athens, Greece, Springer LNAI 9319, 2015, pp. 134-141. paper
  3. Kaya H., "Speaker- and Corpus-Independent Methods for Affect Classification in Computational Paralinguistics", 16th ACM International Conference on Multimodal Interaction, (Nov. 2014, Istanbul, Turkey) paper
  4. Kaya H.; Salah A.A., "Combining Modality-Specific Extreme Learning Machines for Emotion Recognition in the Wild", 16th ACM International Conference on Multimodal Interaction (Nov. 2014, Istanbul, Turkey) paper
  5. Kaya H.; and Salah A.A., "Eyes Whisper Depression: A CCA based Multimodal Approach", ACM Multimedia 2014 (Nov. 2014, Orlando, Florida, USA) paper
  6. Kaya H.; Özkaptan T.; Salah A.A.; and Gürgen S. F., "Canonical Correlation Analysis and Local Fisher Discriminant Analysis based Multi-View Acoustic Feature Reduction for Physical Load Prediction", INTERSPEECH 2014, pp. 442-446 (Sep. 2014, Singapore) paper
  7. Kaya H.; Eyben F.; Salah A.A.; and Schuller B. W., "CCA Based Feature Selection with Application to Continuous Depression Recognition from Acoustic Speech Features", in IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2014), pp. 3757-3761 (May 2014, Florence, Italy) paper
  8. Kurum F.M.; Kaya H.; Fikret S.F., "A Study of a Group of Healthcare Datasets in Data Mining Domain", International Conference on Applied Informatics for Health and Life Sciences (AIHLS '13)-  (Sep. 2013)
  9. Kaya H.; Kursun O.; Gurgen S.F., "Posterior Probability Convergence of k-NN Classification and K-Means Clustering", In: E. Gelenbe, R. Lent (Eds.), Proceedings of the 27th International Symposium on Computer and Information Sciences ISCIS 2012, pp. 171-179 (Oct. 2012, Paris) paper
  10. Kaya H.; Tufekci P.; Gurgen S.F., "Local and Global Learning Methods for Predicting Power of a Combined Gas & Steam Turbine", Proceedings of the International Conference on Emerging Trends in Computer and Electronics Engineering ICETCEE 2012, pp. 13-18 (Mar. 2012, Dubai) paper
  11. Kaya H.; Kursun O.; Seker H., "Stacking Class Probabilities Obtained from View-Based Cluster Ensembles", In: L. Rutkowski et al. (Eds.), Proceedings of the 10th International Conference on Artificial Intelligence and Soft Computing ICAISC 2010, Part I, Springer-Verlag, LNAI 6113, pp. 397-404 (June 2010, Zakopane) paper

International Workshops

  1. Kaya H.; Salah A.A., "Continuous Mapping of Personality Traits: A Novel Challenge and Failure Conditions", Mapping Personality Traits Challenge and Workshop MAPTRAITS '14 - in conjuction with ACM ICMI 2014 (Nov. 2014, Istanbul, Turkey) paper
  2. Kaya H.; Çilli, Fazilet; Salah A.A., "Ensemble CCA for Continuous Emotion Prediction", In Proc. of the 4th ACM Intl. Workshop on Audio/Visual Emotion Challenge, AVEC '14, 2014 (Nov. 2014, Orlando, Florida, USA) paper
  3. Kaya H.; Ercetin A.M.; Salah A.A.; Gurgen S.F., "Random Forests for Laughter Detection", Workshop on Affective Social Speech Signals (WASSS '13)- in conjunction with Interspeech 2013  (Aug. 2013) paper presentation

National Conferences

  1. Kaya H.; Salah A. A.; Ekenel H.; Gürgen S. F., "Boğaziçi Üniversitesi Türkçe Duygulu Konuşma Veritabanı Üzerinde Deneyler İçin Protokol ve Taban Çizgisi (Protokol and Baseline for Experiments on Boğaziçi University Turkish Emotional Speech Corpus)",IEEE 22nd Signal Processing and Communications Applications Conference, pp. 1698-1701 (April 2014, Trabzon) paper
  2. Kaya H.; Ercetin A.M.; Salah A.A.; Gurgen S.F., "Rassal Ormanlar, Değişken Seçimi ve Normal Yumuşatma Kullanarak Kahkaha ve Dolguların Tespiti (Detection of Laughter and Fillers using Random Forests, Feature Selection and Gaussian Smoothing)", Akademik Bilişim 2014 (Feb. 2014) makale (Türkçe) sunum (Türkçe)
  3. Uzun Ö.; Kaya H.; Gürgen S.F., Varol F., "Olasılıksal Sınıflandırıcılar ile Doğum Öncesinde Trizomi 21 Risk Hesaplaması (Prenatal Risk Assessment of Trisomy 21 by Probabilistic Classifiers)", IEEE 21st Signal Processing and Communications Applications Conference, (April 2013, Girne) paper

Academic Memberships


Code and Data

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Last update: July 22 '15