collaborators

5 papers

cs.CL2026

Zero2Text: Zero-Training Cross-Domain Inversion Attacks on Textual Embeddings

Doohyun Kim, Donghwa Kang, Kyungjae Lee +2

The proliferation of retrieval-augmented generation (RAG) has established vector databases as critical infrastructure, yet they introduce severe privacy risks via embedding inversi…

cs.LG2025

STAS: Spatio-Temporal Adaptive Computation Time for Spiking Transformers

Donghwa Kang, Doohyun Kim, Sang-Ki Ko +3

Spiking neural networks (SNNs) offer energy efficiency over artificial neural networks (ANNs) but suffer from high latency and computational overhead due to their multi-timestep op…

cs.CV2025

Timestep-Compressed Attack on Spiking Neural Networks through Timestep-Level Backpropagation

Donghwa Kang, Doohyun Kim, Sang-Ki Ko +3

State-of-the-art (SOTA) gradient-based adversarial attacks on spiking neural networks (SNNs), which largely rely on extending FGSM and PGD frameworks, face a critical limitation: s…

eess.SY2025

CF-DETR: Coarse-to-Fine Transformer for Real-Time Object Detection

Woojin Shin, Donghwa Kang, Byeongyun Park +3

Detection Transformers (DETR) are increasingly adopted in autonomous vehicle (AV) perception systems due to their superior accuracy over convolutional networks. However, concurrent…

eess.SY2025

Real Time Scheduling Framework for Multi Object Detection via Spiking Neural Networks

Donghwa Kang, Woojin Shin, Cheol-Ho Hong +4

Given the energy constraints in autonomous mobile agents (AMAs), such as unmanned vehicles, spiking neural networks (SNNs) are increasingly favored as a more efficient alternative…