Author

Sudip Bhujel

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#machine learning Preprint Sep 2026

Temporal Gradient Inversion for Private Trajectory Reconstruction in Embodied Reinforcement Learning

TRACE is introduced, an amortized temporal gradient-inversion attack that autoregressively reconstructs the sequence of private observation-action trajectories from per-step policy-learning gradients, dominating the learning-based baseline across all reconstruction metrics and exceeding optimization attacks while runni...

Sudip Bhujel, Shang-Hao Shi, Rui-Quan Huang et al. · 0 citations

Preprint Aug 2026

Model-Consistent Byzantine-Resilient Decentralized Federated Learning for Collaborative Missions

DFL-C is introduced, a novel Byzantine-resilient DFL architecture that enables decentralized nodes to perform collaborative training with global model consistency and implements a dual-domain trust scoring mechanism to provide resilience against data-domain Byzantine manipulations including model poisoning attacks.

Yue Li, Sudip Bhujel, Cameron Lira et al. · 0 citations