2025 EMNLP 2025 PruneCD: Contrasting Pruned Self Model to Improve Decoding Factuality Byeongho Yu*, Changhun Lee*, Jungyu Jin, and Eunhyeok Park† 2025 arXiv WACV 2026 Stabilizing Direct Training of Spiking Neural Networks: Membrane Potential Initialization and Threshold-robust Surrogate Gradient Hyunho Kook, Byeongho Yu, Jeong Min Oh, and Eunhyeok Park 2025 arXiv