3 papers
cs.RO2026
Dream2Reward: Transition-Alignment Reward Models from Positive Demonstrations for Robotic Manipulation
Haoyu Zhang, Zecui Zeng, Bin Wang +3
Learning robotic policies requires dense rewards that remain informative when behavior departs from successful demonstrations. Progress-based rewards estimate how far an observatio…
cs.RO2025
Boosting Action-Information via a Variational Bottleneck on Unlabelled Robot Videos
Haoyu Zhang, Long Cheng
Learning from demonstrations (LfD) typically relies on large amounts of action-labeled expert trajectories, which fundamentally constrains the scale of available training data. A p…
physics.optics2025
Spiral resonator referenced on-chip low noise microwave generation
Long Cheng, Mengdi Zhao, Yang He +5
In recent years, miniaturization and integration of photonic microwave oscillators by optical frequency division approach have witnessed rapid progress. In this work, we report on-…