Z. Özdemir, H.Y. Keles, Ö.Ö Tanrıöver, "CLoE: Cirriculum Learning on Endoscopic Images for Robust MES Classification", (In Review, IEEE Access) (Preprint: arXiv:2508.13280)
Z. Ozdemir, H. Y. Keles and O. o. Tanriover, "Meta-Transfer Derm-Diagnosis: Exploring Few-Shot Learning and Transfer Learning for Skin Disease Classification in Long-Tail Distribution," in IEEE Journal of Biomedical and Health Informatics, doi: 10.1109/JBHI.2025.3615479. (Preprint: arXiv:2404.16814)
M. Najafi Khatounabad, H.Y. Keles and S. Kadioglu, "SVInvNet: A Densely Connected Encoder-Decoder Architecture for Seismic Velocity Inversion," in IEEE Transactions on Geoscience and Remote Sensing, vol. 63, pp. 1-12, 2025, Art no. 5910212, doi: 10.1109/TGRS.2025.3552741. (Preprint: arXiv:2312.08194)
E. Yilmaz and H.Y. Keles, "Adversarial Sparse Teacher: Defense Against Distillation-Based Model Stealing Attacks Using Adversarial Examples," in IEEE Access, vol. 13, pp. 92074-92085, 2025, doi: 10.1109/ACCESS.2025.3573105.
Y. Doğan, H.Y. Keles, "Iterative facial image inpainting based on an encoder-generator architecture", Neural Comput & Applications, 2022, doi: 10.1007/s00521-022-06987-y (Preprint: arXiv:2101.07036).
Ö. Şen, H.Y. Keles, "A Hierarchical Approach to Remote Sensing Scene Classification", PFG-Journal of Photogrammetry, Remote Sensing and Geoinformation Science, 2022, doi: 10.1007/s41064-022-00193-0 (Preprint: arXiv:2103.15463).
Ö. Mercanoğlu Sincan, H.Y. Keles, "Using Motion History Images with 3D Convolutional Networks in Isolated Sign Language Recognition", IEEE Access, vol. 10, pp. 18608-18618, 2022, doi: 10.1109/ACCESS.2022.3151362 (Preprint: arXiv:2110.12396)
A.O. Tur, H.Y. Keles, "Evaluation of Hidden Markov Models using Deep CNN Features in Isolated Sign Recognition", Multimedia Tools and Applications, vol. 80, pp. 19137-19155, doi: 10.1007/s11042-021-10593-w, 2021,(SCI-Exp). (Preprint: arXiv: 2006.11183).
Y. Doğan, H.Y. Keles, "Semi-supervised Image Attribute Editing using Generative Adversarial Networks", Neurocomputing Journal, vol. 401, pp. 338-352, doi: 10.1016/j.neucom.2020.03.071, 2020, (SCI) (Preprint: arXiv:1907.01841).
Ö. Şen, H.Y. Keles, "On the Evaluation of CNN Models in Remote Sense Scene Classification Domain", PFG-Journal of Photogrammetry, Remote Sensing and Geoinformation Science, vol. 88, pp. 477-492, DOI: 10.1007/s41064-020-00129-6, 2020, (SCI-Exp),
Ö. Mercanoğlu Sincan, H.Y. Keles, "AUTSL: A Large Scale Multi-modal Turkish Sign Language Dataset and Baseline Methods", IEEE Access, vol. 8, pp. 181340-181355, doi: 10.1109/ACCESS.2020.3028072. 2020, (SCI-Exp). (Preprint: arXiv:2008.00932.)
L.A. Lim, H.Y. Keles, "Learning Multi-scale Features for Foreground Segmentation", Pattern Analysis and Applications, vol. 23, pp. 1369-1380, doi: 10.1007/s10044-019-00845-9, 2020, (SCI-Expanded)(Preprint: arXiv:1808.01477).
L.A. Lim, H.Y. Keles, "Learning Dense Contextual Features for Semantic Segmentation", Commun.Fac.Sci.Univ.Ank.Series A2-A3, vol. 62(1), pp. 26-34, doi: 10.33769/aupse.611958, 2020 (TR Index).
H.Y. Keles, Jan Rozhon, H. Gokhan Ilk, Miroslav Vosnak, "DeepVoCoder: A CNN model for compression and coding of narrow band speech", IEEE Access, June 2019, vol. 7, pp. 75081-75089, doi: 10.1109/ACCESS.2019.2920663. (SCI-Expanded)
L.A. Lim, H.Y. Keles, "Foreground Segmentation using Convolutional Neural Networks for Multiscale Feature Encoding", Pattern Recognition Letters 112, pp. 256-262, doi: 10.1016/j.patrec.2018.08.002, 2018 (SCI-Expanded)
L.A. Lim, H.Y. Keles, "Foreground Segmentation using a Triplet Convolutional Neural Network for Multiscale Feature Encoding", arXiv:1801.02225, 2018.
H.Y. Keles, “Embedding Parts in Shape Grammars Using a Parallel Particle Swarm Optimization Method on GPUs”, AIEDAM, 32:3, pp. 256-268, doi: 10.1017/S089006041700052X, 2018 (SCI-Expanded).
Ö. Mercanoğlu Sincan, H.Y. Keles, Süleyman Tosun, "Moving Object Detection and Classification in Surveillance Systems Using Moving Cameras", Commun. Fac. Sci. Univ. Ank. Series A2-A3, 60(2), pp. 63-82, 2018 (TR Index)
Ö. Mercanoğulu Sincan, H.Y. Keles, Yağmur Kır, Adnan Kusman, Bora Başkak “Person Identification Using Functional Near-Infrared Spectroscopy Signals Using a Fully Connected Deep Neural Network”, Commun. Fac. Sci. Univ. Ank. Series A2-A3, 59(2), pp. 57-65, 2017 (TR Index).
N. Pervan, H.Y. Keles, “Sentiment Analysis Using a Random Forest Classifier on Turkish Web Comments”, Commun. Fac. Sci. Univ. Ank. Series A2-A3, 59(2), pp. 69-79, 2017 (TR Index).
H.Y. Keles, “Acceleration of the Edge Strength Function on GPU Using CUDA”, Commun. Fac. Sci. Univ. Ank. Series A2-A3, 58(2), pp. 49-68, 2016 (TR Index)
H.Y. Keles, Sibel Tarı, “A Robust Method for Scale Independent Detection of Curvature-based Criticalities and In tersections in Line Drawings”, Pattern Recognition, 48(1), pp. 140-155, 2015 (SCI).
H.Y. Keles, Mine Özkar, Sibel Tarı, “Weighted Shapes for Embedding Perceived Wholes”, Environment and Planning: B. , Volume 39, Issue 2, pp 360-375, 2012 (SSCI).
H.Y. Keles, Mine Özkar, Sibel Tarı, “Embedding Shapes without Predefined Parts”, Environment and Planning: B, Volume 37, Issue 4, pp 664-681, 2010 (SSCI).
H.Y. Keles, Alphan Es, Veysi İşler, “Acceleration of Direct Volume Rendering with Programmable Graphics Hardware”, The Visual Computer: International Journal of Computer Graphics, Volume 23, Issue 1, pp 15-24, November, 2006 (SCI-Expanded).
S.M. Tasyurek, T. Kızıltepe, H. Y. Keles, "Disentangle and Regularize: Sign Language Production with Articulator-Based Disentanglement and Channel-Aware Regularization", Accepted to The IEEE/CVF Winter Conference on Applications of Computer Vision (WACV), 2026 . (arXiv: 2504.06610v3)
T. Kızıltepe, S.M. Tasyurek, H.Y. Keles, "Iterative Latent Refinement for Robust Non-Autoregressive Sign Language Production", International Conference on Computer Vision, (ICCV-MSLRW) 2025, Oct 19 – 23th, 2025, Honolulu, Hawai'i.
B. Aktas and H. Y. Keles, "Efficient Long-Context Fine-Tuning of LLaMA 2 7B with QLoRA, Dynamic RoPE, and FlashAttention," 2025 10th International Conference on Computer Science and Engineering (UBMK), Istanbul, Turkiye, 2025, pp. 474-479, doi: 10.1109/UBMK67458.2025.11206955.
D. Ayhan and H. Y. Keles, "Region-Aware Dual-Task Pose Transformer Network for Sign Language Image Generation," 2025 10th International Conference on Computer Science and Engineering (UBMK), Istanbul, Turkiye, 2025, pp. 1053-1058, doi: 10.1109/UBMK67458.2025.11207005.
H. Walsh, E. Fish, O. M. Sincan, M. I. Lakhal, R. Bowden, N. Fox, B. Woll, K. Wu, Z. Li, W. Zhao, H. Wang, W. Zhou, H. Li, S. Tang, J. He, X. Wang, R. Zhang, Y. Wang, L. Cheng, M. Tasyurek, T. Kiziltepe, H. Y. Keles, "SLRTP2025 Sign Language Production Challenge: Methodology, Results and Future Work", Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) Workshops, 2025, pp. 4118-4128
S.M. Tasyurek,T. Kızıltepe, H. Y. Keles, "Towards Better Communication: Refining Hand Pose Estimation in Low-Resolution Sign Language Videos", 18'th IEEE Int. Conf on Automatic Face and Gesture Recognition, Istanbul, Turkiye, 27-31 May 2024.
F. Ozkan, H. K. Tekin and H. Y. Keles, "Turkish Sign Language Video Generation from Pose Sequences Using a Conditional GAN Model," 2024 9th International Conference on Computer Science and Engineering (UBMK), Antalya, Turkiye, 2024, pp. 1-6, doi: 10.1109/UBMK63289.2024.10773583.
D. Tasbas and H. Y. Keles, "Unsupervised Translation from Shortwave Infrared Images to RGB Images: A Comparative Evaluation," 2024 9th International Conference on Computer Science and Engineering (UBMK), Antalya, Turkiye, 2024, pp. 896-901, doi: 10.1109/UBMK63289.2024.10773552.
Ş. Öztürk and H. Y. Keles, "E-TSL: A Continuous Educational Turkish Sign Language Dataset with Baseline Methods," 2024 International Congress on Human-Computer Interaction, Optimization and Robotic Applications (HORA), Istanbul, Turkiye, 2024, pp. 1-7, doi: 10.1109/HORA61326.2024.10550648.
A. E. Keskin and H. Y. Keles, "SkelCap: Automated Generation of Descriptive Text from Skeleton Keypoint Sequences," 2024 International Congress on Human-Computer Interaction, Optimization and Robotic Applications (HORA), Istanbul, Turkiye, 2024, pp. 1-8, doi: 10.1109/HORA61326.2024.10550522.
E. F. ÇIğdem and H. Y. Keles, "Few-shot Audio Classification using Contrastive Training," 2024 32nd Signal Processing and Communications Applications Conference (SIU), Mersin, Turkiye, 2024, pp. 1-4, doi: 10.1109/SIU61531.2024.10600788.
M.N. Khatounabad, H. Y. Keles, S. Kadıoğlu, “Yapay Zeka ile Sismik Hız Modellerinin Doğrudan Kestirimi: Eğitim Veri Seti ve Derin Ağ Eğitimi”, Türkiye 21. Uluslararası Petrol ve Doğal Gaz Kongre ve Sergisi, 27-29 Eylül 2023, Ankara.
M.N. Khatounabad, H. Y. Keles, S. Kadıoğlu, “Seismic Velocity Inversion by Improved InversionNet Deep Model: Noisy and Noiseless Training Dataset”, EuroAsia Geoscience Congress and Exhibition, 10-13 November 2023 Antalya.
Z. Özdemіr, H. Y. Keles and Ö. Özgür Tanriöver, "Skin Disease Classification using Few-Shot Meta-Transfer Learning," 2022 30th Signal Processing and Communications Applications Conference (SIU), 2022, pp. 1-4, doi: 10.1109/SIU55565.2022.9864791.
A. A. Aktaş, H. Y. Keles and İ. Askerzade, "A Novel Visual Attribute Disentanglement Approach using Self-Supervision," 2022 30th Signal Processing and Communications Applications Conference (SIU), 2022, pp. 1-4, doi: 10.1109/SIU55565.2022.9864683.
O.M. Mercanoglu Sincan, J.C.S. Jacques Junior, S. Escalera, H. Y. Keles, "ChaLearn LAP Large Scale Signer Independent Isolated Sign Language Recognition Challenge: Design, Result and Future Research", Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) Workshops, 2021, pp. 3472-3481.
M. E. Bakır and H. Y. Keles, "Deep Learning Based Cell Segmentation Using Cascaded U-Net Models," 2021 29th Signal Processing and Communications Applications Conference (SIU), 2021, pp. 1-4, doi: 10.1109/SIU53274.2021.9477937.
Z. Özdemir and H. Y. Keles, "Covid-19 Detection in Chest X-ray Images with Deep Learning," 2021 29th Signal Processing and Communications Applications Conference (SIU), 2021, pp. 1-4, doi: 10.1109/SIU53274.2021.9478028.
A. E. Memiş and H. Y. Keles, "Piano Music Generation with a Text Based Musical Note Representation using LSTM Models," 2021 29th Signal Processing and Communications Applications Conference (SIU), 2021, pp. 1-4, doi: 10.1109/SIU53274.2021.9477952.
A. Saboo, S. Niranjan, K. Dierkes, H. Y. Keles, "Towards disease-aware image editing of chest X-rays", in NeurIPS 2020, Medical Imaging Workshop.
S. Gençoğlu, H. Y. Keles, "Sign Language Video Synthesis using Skeleton Sequence", In 28'th IEEE Conf. on Signal Processing and Communications Applications, pp. 1-4, doi: 10.1109/SIU49456.2020.9302436, 5-7 October 2020, Gaziantep, Turkey.
Ö. M. Sincan, S. Gencoglu, M. Bacak, H. Y. Keles, "Hand and Face Segmentation with Deep Convolutional Networks using Limited Labelled Data", 3rd International Symposium on Multidisciplinary Studies and Innovative Technologies (ISMSIT), IEEE, Ankara, Turkey, 11-13 October 2019.
Y. Doğan, H. Y. Keles, "Stability and Diversity in Generative Adversarial Networks", 27'th IEEE Conference on Signal Processing and Applications, 24-26 April 2019, Sivas, Turkey.
A. O. Tur, H. Y. Keles, "Isolated Sign Recognition with a Siamese Neural Network of RGB and Depth Streams", IEEE EUROCON 2019, 01-07 July 2019, Novi Sad, Serbia.
Ö. M. Sincan, A. O. Tur, H. Y. Keles, "Isolated Sign Language Recognition with Multi-scale Features using LSTM", 27'th IEEE Conference on Signal Processing and Applications, 24-26 April 2019, Sivas, Turkey.
Ö. Şen, H. Y. Keles, "Scene Recognition with Deep Learning Methods using Aerial Images", 27'th IEEE Conference on Signal Processing and Applications, 24-26 April 2019, Sivas, Turkey.
N. Pervan, H. Y. Keles, "A Dilated CNN Based Sentiment Analysis Using a Novel Corpus of Customer Product Reviews in Turkish Language", DTSS 2018, Ankara, October 24-26, 2018.
E. C. Alp, H. Y. Keles, "A Comparative Study of HMMs and LSTMs on Action Classification with Limited Training Data", In the Proceedings of IntelliSys 2018, pp. 564-570, London, 2018.
H. Y. Keles, (Invited Speaker), “Utilization of Deep Learning Methods in Computer Graphics Domain”, Eurasiagraphics 2017, November 4-5, 2017.
H. Y. Keles, (Keynote Speaker), “Recent Trends in Machine Learning and Computer Vision”, ICTACSE 2017, November 10-11, 2017.
N. Pervan, H. Y. Keles, “Sentiment Analysis Using a Random Forest Classifier on Turkish Web Comments”, In the Proceedings of ICTACSE 2017, Ankara, November 10-11, 2017.
E. C. Alp, H. Y. Keles, "Action Recognition Using MHI Based Hu Moments with HMMs", Accepted in 17’th EUROCON 2017, 6-8 July2017, Ohrid, Macedonia.
H. Y. Keles, "Embedding Parts in Sketches Using a Parallel Evolutionary Approach", In 33’rd Education and Research in Computer Aided Architectural Design in Europe (eCAADe) Conference, 2015, Vienna, Austria.
Ö. M. Sincan, V. B. Ajabshir, H. Y. Keles, S. Tosun, "Moving Object Detection by a Mounted Moving Camera", In EUROCON, 2015, Salamanca, Spain.
H. Y. Keles, E. Tunca, Y. Doğan, F. Keleş, H. Oğuztüzün, “SOYA: Simülasyon Ortak Yaratım Aracı”, 6’th Defence Technologies Congress, June 2012, Ankara, Turkey.
H. Y. Keles, M. Özkar, S. Tarı, “Revisiting Shape Embedding”, 27’th Education and Research in Computer Aided Architectural Design in Europe (eCAADe) Conference, 16-19, September 2009, İstanbul, Turkey.
G. Yıldırım, H. Y. Keles, V. İşler, “Three Dimensional Smoke Simulation on Programmable Graphics Hardware”, International Conference on Parallel Computational Fluid Dynamics, 21-24, May 2007, Turkey.
A. Es, H. Y. Keles, V. İşler, “Accelerated Volume Rendering with Homogeneous Region Encoding using EACD on GPU”, 6’th Eurographics Symposium on Parallel Graphics and Visualization, 11-12, May 2006, Braga.