Publications

2026

  1. Shift-ACT framework with class-specific dynamic thresholds, reliable and unreliable samples, a memory bank, and contrastive learning.

    Shift-ACT: Test-time adaptation via shift-aware class-specific dynamic thresholding for domain generalization

    Saeed Karimi, Hamdi Dibeklioğlu

    Neurocomputing

    BibTeX for Shift-ACT: Test-time adaptation via shift-aware class-specific dynamic thresholding for domain generalization
    @article{openalex-W4415908311,
      title = {{Shift-ACT: Test-time adaptation via shift-aware class-specific dynamic thresholding for domain generalization}},
      author = {Karimi, Saeed and Dibeklioğlu, Hamdi},
      year = {2026},
      journal = {Neurocomputing},
      volume = {663},
      pages = {132013},
      publisher = {Elsevier BV},
      doi = {10.1016/j.neucom.2025.132013},
      url = {https://doi.org/10.1016/j.neucom.2025.132013},
      openalex = {W4415908311}
    }

2025

  1. AdaPAC framework showing source prototypes, reliable-sample selection, and prototypical and instance contrastive learning.

    AdaPAC: Prototypical anchored contrastive test time adaptation for domain generalization

    Saeed Karimi, Hamdi Dibeklioğlu

    Neurocomputing

    BibTeX for AdaPAC: Prototypical anchored contrastive test time adaptation for domain generalization
    @article{openalex-W4412429132,
      title = {{AdaPAC: Prototypical anchored contrastive test time adaptation for domain generalization}},
      author = {Karimi, Saeed and Dibeklioğlu, Hamdi},
      year = {2025},
      journal = {Neurocomputing},
      volume = {650},
      pages = {130839},
      publisher = {Elsevier BV},
      doi = {10.1016/j.neucom.2025.130839},
      url = {https://doi.org/10.1016/j.neucom.2025.130839},
      openalex = {W4412429132}
    }
  2. Depression severity model combining affect, emotion, sentiment, and personality representations with transformer encoders and masked joint cross-attention fusion.

    Affect and Personality Aided Modeling of Transcribed Speech for Depression Severity Estimation

    Kaan Gönç, Hamdi Dibeklioğlu

    IEEE Transactions on Affective Computing

    BibTeX for Affect and Personality Aided Modeling of Transcribed Speech for Depression Severity Estimation
    @article{openalex-W4409426355,
      title = {{Affect and Personality Aided Modeling of Transcribed Speech for Depression Severity Estimation}},
      author = {Gönç, Kaan and Dibeklioğlu, Hamdi},
      year = {2025},
      journal = {IEEE Transactions on Affective Computing},
      volume = {16},
      number = {3},
      pages = {2334--2351},
      publisher = {Institute of Electrical and Electronics Engineers (IEEE)},
      doi = {10.1109/taffc.2025.3560476},
      url = {https://doi.org/10.1109/taffc.2025.3560476},
      openalex = {W4409426355}
    }
  3. DECEPTIcON banner showing a collage of faces from video clips.

    DECEPTIcON: Bridging Gaps in In-the-Wild Deception Research

    Berat Biçer, Bahadır Durmaz, Serhat Aras, Hamdi Dibeklioğlu

    IEEE Transactions on Affective Computing

    BibTeX for DECEPTIcON: Bridging Gaps in In-the-Wild Deception Research
    @article{openalex-W4412567295,
      title = {{DECEPTIcON: Bridging Gaps in In-the-Wild Deception Research}},
      author = {Biçer, Berat and Durmaz, Bahadır and Aras, Serhat and Dibeklioğlu, Hamdi},
      year = {2025},
      journal = {IEEE Transactions on Affective Computing},
      volume = {16},
      number = {4},
      pages = {3452--3464},
      publisher = {Institute of Electrical and Electronics Engineers (IEEE)},
      doi = {10.1109/taffc.2025.3591205},
      url = {https://doi.org/10.1109/taffc.2025.3591205},
      openalex = {W4412567295}
    }
  4. SATA framework: feature extraction, domain-style replacement, sample selection, and adaptation losses.

    SATA: Style Agnostic Test time Adaptation for domain generalization

    Saeed Karimi, Hamdi Dibeklioğlu

    Image and Vision Computing

    BibTeX for SATA: Style Agnostic Test time Adaptation for domain generalization
    @article{openalex-W4411589490,
      title = {{SATA: Style Agnostic Test time Adaptation for domain generalization}},
      author = {Karimi, Saeed and Dibeklioğlu, Hamdi},
      year = {2025},
      journal = {Image and Vision Computing},
      volume = {161},
      pages = {105607},
      publisher = {Elsevier BV},
      doi = {10.1016/j.imavis.2025.105607},
      url = {https://doi.org/10.1016/j.imavis.2025.105607},
      openalex = {W4411589490}
    }

2024

  1. Multimodal deceit-detection pipeline combining visual, vocal, and speech models through modality fusion.

    Automatic Deceit Detection Through Multimodal Analysis of High-Stake Court-Trials

    Berat Biçer, Hamdi Dibeklioğlu

    IEEE Transactions on Affective Computing

    BibTeX for Automatic Deceit Detection Through Multimodal Analysis of High-Stake Court-Trials
    @article{openalex-W4387385629,
      title = {{Automatic Deceit Detection Through Multimodal Analysis of High-Stake Court-Trials}},
      author = {Biçer, Berat and Dibeklioğlu, Hamdi},
      year = {2024},
      journal = {IEEE Transactions on Affective Computing},
      volume = {15},
      number = {1},
      pages = {342--356},
      publisher = {Institute of Electrical and Electronics Engineers (IEEE)},
      doi = {10.1109/taffc.2023.3322331},
      url = {https://doi.org/10.1109/taffc.2023.3322331},
      openalex = {W4387385629}
    }
  2. Speech transcription pipeline with sentence embeddings, residual blocks, attention, sequence processing, and depression-score regression.

    Systematic Analysis of Speech Transcription Modeling for Reliable Assessment of Depression Severity

    Ergün Batuhan Kaynak, Hamdi Dibeklioğlu

    Sakarya University Journal of Computer and Information Sciences

    BibTeX for Systematic Analysis of Speech Transcription Modeling for Reliable Assessment of Depression Severity
    @article{openalex-W4395659810,
      title = {{Systematic Analysis of Speech Transcription Modeling for Reliable Assessment of Depression Severity}},
      author = {Kaynak, Ergün Batuhan and Dibeklioğlu, Hamdi},
      year = {2024},
      journal = {Sakarya University Journal of Computer and Information Sciences},
      volume = {7},
      number = {1},
      pages = {77--91},
      publisher = {Sakarya University Journal of Computer and Information Sciences},
      doi = {10.35377/saucis...1381522},
      url = {https://doi.org/10.35377/saucis...1381522},
      openalex = {W4395659810}
    }
  3. Illustration of invariant and domain-dependent input features across three domains in the paper’s controlled example.

    Uncovering and mitigating spurious features in domain generalization

    Saeed Karimi, Hamdi Dibeklioğlu

    Turkish Journal of Electrical Engineering and Computer Sciences

    BibTeX for Uncovering and mitigating spurious features in domain generalization
    @article{openalex-W4393030602,
      title = {{Uncovering and mitigating spurious features in domain generalization}},
      author = {Karimi, Saeed and Dibeklioğlu, Hamdi},
      year = {2024},
      journal = {Turkish Journal of Electrical Engineering and Computer Sciences},
      volume = {32},
      number = {2},
      pages = {320--337},
      publisher = {The Scientific and Technological Research Council of Turkey (TUBITAK-ULAKBIM) - DIGITAL COMMONS JOURNALS},
      doi = {10.55730/1300-0632.4071},
      url = {https://doi.org/10.55730/1300-0632.4071},
      openalex = {W4393030602}
    }

2023

  1. Multilingual sentiment model with subword representations, bidirectional LSTMs, attention, and dynamic weighting for imbalanced labels.

    Multi-Label Sentiment Analysis on 100 Languages With Dynamic Weighting for Label Imbalance

    Selim F. Yilmaz, E. Batuhan Kaynak, Aykut Koç, Hamdi Dibeklioğlu, Suleyman Serdar Kozat

    IEEE Transactions on Neural Networks and Learning Systems

    BibTeX for Multi-Label Sentiment Analysis on 100 Languages With Dynamic Weighting for Label Imbalance
    @article{openalex-W3081182375,
      title = {{Multi-Label Sentiment Analysis on 100 Languages With Dynamic Weighting for Label Imbalance}},
      author = {Yilmaz, Selim F. and Kaynak, E. Batuhan and Koç, Aykut and Dibeklioğlu, Hamdi and Kozat, Suleyman Serdar},
      year = {2023},
      journal = {IEEE Transactions on Neural Networks and Learning Systems},
      volume = {34},
      number = {1},
      pages = {331--343},
      publisher = {Institute of Electrical and Electronics Engineers (IEEE)},
      doi = {10.1109/tnnls.2021.3094304},
      url = {https://doi.org/10.1109/tnnls.2021.3094304},
      openalex = {W3081182375}
    }
  2. Two-stage intent-classification framework: multimodal encoding with an offline bandit policy, followed by online learning from user feedback.

    User Feedback-based Online Learning for Intent Classification

    Kaan Gönç, Baturay Sağlam, Onat Dalmaz, Tolga Çukur, Serdar Kozat, Hamdi Dibeklioglu

    International Conference on Multimodal Interaction

    BibTeX for User Feedback-based Online Learning for Intent Classification
    @inproceedings{openalex-W4387421660,
      title = {{User Feedback-based Online Learning for Intent Classification}},
      author = {Gönç, Kaan and Sağlam, Baturay and Dalmaz, Onat and Çukur, Tolga and Kozat, Serdar and Dibeklioglu, Hamdi},
      year = {2023},
      booktitle = {International Conference on Multimodal Interaction},
      pages = {613--621},
      publisher = {ACM},
      doi = {10.1145/3577190.3614137},
      url = {https://doi.org/10.1145/3577190.3614137},
      openalex = {W4387421660}
    }

2022

  1. Second training stage for face inpainting, combining the pretrained BEiT representation with a texture generator and discriminator.

    Face Inpainting with Pre-trained Image Transformers

    Kaan Gonc, Baturay Saglam, Suleyman S. Kozat, Hamdi Dibeklioglu

    2022 30th Signal Processing and Communications Applications Conference (SIU)

    BibTeX for Face Inpainting with Pre-trained Image Transformers
    @inproceedings{openalex-W4293863213,
      title = {{Face Inpainting with Pre-trained Image Transformers}},
      author = {Gonc, Kaan and Saglam, Baturay and Kozat, Suleyman S. and Dibeklioglu, Hamdi},
      year = {2022},
      booktitle = {2022 30th Signal Processing and Communications Applications Conference (SIU)},
      pages = {1--4},
      publisher = {IEEE},
      doi = {10.1109/siu55565.2022.9864676},
      url = {https://doi.org/10.1109/siu55565.2022.9864676},
      openalex = {W4293863213}
    }

2021

  1. Architecture separating identity and temporal features through 2D-to-3D face reconstruction before deception prediction.

    Identity Unbiased Deception Detection by 2D-to-3D Face Reconstruction

    Le Minh Ngo, Wei Wang, Burak Mandira, Sezer Karaoglu, Henri Bouma, Hamdi Dibeklioglu, Theo Gevers

    2021 IEEE Winter Conference on Applications of Computer Vision (WACV)

    BibTeX for Identity Unbiased Deception Detection by 2D-to-3D Face Reconstruction
    @inproceedings{openalex-W3120124107,
      title = {{Identity Unbiased Deception Detection by 2D-to-3D Face Reconstruction}},
      author = {Ngo, Le Minh and Wang, Wei and Mandira, Burak and Karaoglu, Sezer and Bouma, Henri and Dibeklioglu, Hamdi and Gevers, Theo},
      year = {2021},
      booktitle = {2021 IEEE Winter Conference on Applications of Computer Vision (WACV)},
      pages = {145--154},
      publisher = {IEEE},
      doi = {10.1109/wacv48630.2021.00019},
      url = {https://doi.org/10.1109/wacv48630.2021.00019},
      openalex = {W3120124107}
    }
  2. CNN–GRU architecture extracting frame-level visual features and temporal dynamics before personality-trait regression.

    Multimodal analysis of personality traits on videos of self-presentation and induced behavior

    Dersu Giritlioğlu, Burak Mandira, Selim Firat Yilmaz, Can Ufuk Ertenli, Berhan Faruk Akgür, Merve Kınıklıoğlu, Aslı Gül Kurt, Emre Mutlu, Şeref Can Gürel, Hamdi Dibeklioğlu

    Journal on Multimodal User Interfaces

    BibTeX for Multimodal analysis of personality traits on videos of self-presentation and induced behavior
    @article{openalex-W3095255024,
      title = {{Multimodal analysis of personality traits on videos of self-presentation and induced behavior}},
      author = {Giritlioğlu, Dersu and Mandira, Burak and Yilmaz, Selim Firat and Ertenli, Can Ufuk and Akgür, Berhan Faruk and Kınıklıoğlu, Merve and Kurt, Aslı Gül and Mutlu, Emre and Gürel, Şeref Can and Dibeklioğlu, Hamdi},
      year = {2021},
      journal = {Journal on Multimodal User Interfaces},
      volume = {15},
      number = {4},
      pages = {337--358},
      publisher = {Springer Science and Business Media LLC},
      doi = {10.1007/s12193-020-00347-7},
      url = {https://doi.org/10.1007/s12193-020-00347-7},
      openalex = {W3095255024}
    }

2020

  1. Pain estimation architecture with a frame-level CNN, two-layer GRU, and multivariate regression for consistent pain-intensity scales.

    Enforcing Multilabel Consistency for Automatic Spatio-Temporal Assessment of Shoulder Pain Intensity

    Diyala Erekat, Zakia Hammal, Maimoon Siddiqui, Hamdi Dibeklioğlu

    Companion Publication of the 2020 International Conference on Multimodal Interaction

    BibTeX for Enforcing Multilabel Consistency for Automatic Spatio-Temporal Assessment of Shoulder Pain Intensity
    @inproceedings{openalex-W3116945309,
      title = {{Enforcing Multilabel Consistency for Automatic Spatio-Temporal Assessment of Shoulder Pain Intensity}},
      author = {Erekat, Diyala and Hammal, Zakia and Siddiqui, Maimoon and Dibeklioğlu, Hamdi},
      year = {2020},
      booktitle = {Companion Publication of the 2020 International Conference on Multimodal Interaction},
      volume = {2020},
      pages = {156--164},
      publisher = {ACM},
      doi = {10.1145/3395035.3425190},
      url = {https://doi.org/10.1145/3395035.3425190},
      openalex = {W3116945309}
    }