Authors

Chao Chen

Publications 5

Preprint Open access

GPU-Accelerated Computation of Persistent Homology for Topological Analysis of Image Data

Fan Wang, Hubert Wagner, Rezaul Chowdhury et al. · 2026 · 10.1109/tpami.2026.3741473

In recent years, persistent homology has seen rapid adoption in deep learning, yet its computation remains a major bottleneck in network training. This paper introduces TopoGPU, a GPU streaming pipeline that computes persistence diagrams of cubical complexes induced by 2D and 3D images. TopoGPU streams the input image …

Preprint Open access

Does On-Policy Distillation for Safety Pose Backdoor Risks?

Jian Luo, Kehan Qi, Qingqiao Hu et al. · 2026

On-policy distillation (OPD) has attracted growing attention as an effective way to transfer capabilities from teacher models to student models. Recent studies further explore OPD as a tool for improving large language model safety with promising results. However, these approaches typically assume that the teacher and …

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