Geunhyeok Yu
Geunhyeok Yu
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D-BADGE: Decision-based Adversarial Batch Attack with Directional Gradient Estimation
This paper introduces D-BADGE, a novel approach for generating decision-based universal adversarial perturbations using random gradient-free optimization and batch attack techniques. By combining multiple adversarial examples into a single universal perturbation and reformulating the accuracy metric into a continuous Hamming distance form, D-BADGE achieves superior attack time efficiency compared to existing methods, successfully deceiving unseen victims and accurately targeting specific classes.
Geunhyeok Yu
,
Minwoo Jeon
,
Hyoseok Hwang
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arXiv
Generative Perturbation Network for Universal Adversarial Attacks on Brain-Computer Interfaces
This paper introduces the generative perturbation network (GPN), an efficient model for generating universal adversarial examples in EEG-based brain-computer interface (BCI) systems. GPN can produce perturbations capable of fooling deep neural networks with minor undetectable changes, and it outperforms previous methods in crafting signal-agnostic perturbations. Additionally, GPN can efficiently generate perturbations for various targets and victim models, demonstrating high transferability across classification networks.
Jiyoung Jung
,
HeeJoon Moon
,
Geunhyeok Yu
,
Hyoseok Hwang
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Real-Time Automated Solubility Screening Method Using Deep Neural Networks with Handcrafted Features
In this paper, a method is proposed to automatically classify solution dissolution states using computer vision algorithms to extract nine handcrafted features from images and train a DNN-based classifier. A dataset comprising various solution images is used to validate the method, enabling real-time solubility screening via a display and camera on a tablet or mobile phone. The proposed method facilitates fully automated processes by integrating with an automatic solubility changing system, eliminating the need for human intervention.
Minwoo Jeon
,
Geunhyeok Yu
,
Hyundo Choi
,
Gahee Kim
,
Hyoseok Hwang
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