About me
My interests lie in developing AI-driven solutions that enhance clinical decision-making, improve interpretability, and ensure reliability in real-world medical and biomedical settings. These days, I'm working on surgical video understanding with video object segmentation models such as SAM2 and AI-assisted characterization of sub-visible particles in biopharmaceuticals (classification, clustering, and segmentation). If you're working on cool projects within my areas of interest that I can contribute to, feel free to reach out!
Here’s a brief overview of my career, including my current and past research focus, as well as my publications:
2023 - Current: Research Professor, Ghent University Global Campus, South Korea
Research focus
- (Med) Medical and biomedical imaging
- (XAI) Trustworthy and explainable AI
- (SSL) Image-based self-supervised learning
First author publications
- (Med) One Patient’s Annotation is Another One’s Initialization: Towards Zero-Shot Surgical Video Segmentation with Cross-Patient Initialization
2025, Arxiv - (Med) Less is More? Revisiting the Importance of Frame Rate in Real-Time Zero-Shot Surgical Video Segmentation
2025, Arxiv - (SSL) Self-Supervised Benchmark Lottery on ImageNet: Do Marginal Improvements Translate to Improvements on Similar Datasets?
2024, IEEE IJCNN, oral presentation - (SSL) Know Your Self-supervised Learning: A Survey on Image-based Generative and Discriminative Training
2023, Transactions on Machine Learning Research
Last and corresponding author publications
- (Med) Color Flow Imaging Microscopy Improves Identification of Stress Sources of Protein Aggregates in Biopharmaceuticals
2024, MICCAI - MOVI Workshop - (Med) Exploring Patient Data Requirements in Training Effective AI Models for MRI-based Breast Cancer Classification
2024, MICCAI - Deep Breath Workshop - (Med-XAI-SSL) Evaluating Visual Explanations of Attention Maps for Transformer-Based Medical Imaging
2024, MICCAI - iMIMIC Workshop - (Med-XAI-SSL) Identifying Critical Tokens for Accurate Predictions in Transformer-based Medical Imaging Models
2024, MICCAI - MLMI Workshop
2022 - 2023: Postdoctoral Fellow, Ghent University Global Campus, South Korea
Research focus
- (Gen) Bioinformatics and genomics
First author publications
- (Gen) Assessing the Reliability of Point Mutation as Data Augmentation for Deep Learning with Genomic Data
2024, BMC Bioinformatics - (Gen-XAI) Mutate and Observe: Utilizing Deep Neural Networks to Investigate the Impact of Mutations on Translation Initiation
2023, Bioinformatics, Oxford Press - (Gen-XAI) Utilizing Mutations to Evaluate Interpretability of Neural Networks on Genomic Data
2023, NeurIPS - LMRL Workshop - (Gen) BRCA Gene Mutations in dbSNP: A Visual Exploration of Genetic Variants
2023, Arxiv
Repositories
2017 - 2022: PhD in Computer Science, Ghent University, Belgium
Research focus
- (AISec) AI security and safety involving adversarial examples
First author publications
- (AISec) Prevalence of Adversarial Examples in Neural Networks: Attacks, Defenses, and Opportunities
2022, Ghent University, PhD thesis - (AISec-XAI) Evaluating Adversarial Attacks on ImageNet: A Reality Check on Misclassification Classes
2022, NeurIPS - Workshop on ImageNet: Past, Present, and Future - (AISec-XAI) Exact Feature Collisions in Neural Networks
2022, Arxiv - (AISec) Selection of Source Images Heavily Influences the Effectiveness of Adversarial Attacks
2021, BMVC, oral presentation - (AISec-XAI) Investigating the Significance of Adversarial Attacks and Their Relation to Interpretability for Radar-based Human Activity Recognition Systems
2021, Computer Vision and Image Understanding, Elsevier - (AISec) Regional Image Perturbation Reduces Lp Norms of Adversarial Examples While Maintaining Model-to-model Transferability
2020, ICML - UDL Workshop - (AISec) Perturbation Analysis of Gradient-based Adversarial Attacks
2020, Pattern Recognition Letters, Elsevier - (AISec-Med) Impact of Adversarial Examples on Deep Learning Models for Biomedical Image Segmentation
2019, MICCAI, poster presentation - (AISec) Not All Adversarial Examples Require a Complex Defense: Identifying Over-optimized Adversarial Examples with IQR-based Logit Thresholding
2019, IEEE IJCNN, oral presentation - (AISec) How the Softmax Output is Misleading for Evaluating the Strength of Adversarial Examples
2018, NeurIPS - SecML Workshop
Repositories
- (XAI) github.com/utkuozbulak/pytorch-cnn-visualizations
- (AISec) github.com/utkuozbulak/adaptive-segmentation-mask-attack
- (AISec) github.com/utkuozbulak/pytorch-cnn-adversarial-attacks
- (AISec) github.com/utkuozbulak/imagenet-adversarial-image-evaluation
- (AISec) github.com/utkuozbulak/regional-adversarial-perturbation
- (Other) github.com/utkuozbulak/pytorch-custom-datasets
2016 - 2017: MSc. in Data Science, University of Southampton, UK
2015 - 2016: SAP Business Intelligence Consultant, The Coca Cola Company, Turkey
2014 - 2015: SAP Business Intelligence Consultant, Turkish Airlines, Turkey
2012 - 2014: BSc. in Computer Engineering, Yasar University, Turkey