Author

Hyeontaek Oh

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Open access 2026

Prototype-Guided Diffusion Model for Multi-Class Unsupervised Anomaly Detection

P ProtoDiffAD is proposed, a prototype-guided diffusion framework that represents each class using a dictionary of normal prototypes learned via a pretrained variational autoencoder, and Multi-Prototype Guidance (MPG) is introduced, which dynamically aggregates relevant prototypes through attention during denoising, en...

Jongmin Yu, Hyeontaek Oh, Zhong-Tian Sun et al. · IEEE Access · 0 citations

Open access Aug 2026

Conforming to AI vs. humans: The moderating effects of social exclusion and task type

The results showed that social exclusion reduced conformity to AI-generated opinions, but not to human opinions, while task type did not significantly moderate the effect of opinion source, suggesting that conformity to AI may be shaped by mechanisms that differ from those underlying traditional interpersonal conformit...

Heejun Lee, Hyeontaek Oh, Yoonkyung Jeong · PLoS ONE · 0 citations