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Zhao Shan

3 accepted papers

2025

Forward KL Regularized Preference Optimization for Aligning Diffusion Policies

AAAI 2025technical

Diffusion models have achieved remarkable success in sequential decision-making by leveraging the highly expressive model capabilities in policy learning. A central problem for learning diffusion policies is to align the policy output with human intents in various tasks. To achieve this, previous me…

Cited by 3Source ↗PDF ↗Scholar ↗
2025

Preference Aligned Diffusion Planner for Quadrupedal Locomotion Control

IROS 2025

Diffusion models demonstrate superior performance in capturing complex distributions from large-scale datasets, providing a promising solution for quadrupedal locomotion control. However, the robustness of the diffusion planner is inherently dependent on the diversity of the pre-collected datasets.

Cited by 9Source ↗code ↗Scholar ↗
2025

Task-Agnostic Pre-training and Task-Guided Fine-tuning for Versatile Diffusion Planner

ICML 2025poster

Diffusion models have demonstrated their capabilities in modeling trajectories of multi-tasks. However, existing multi-task planners or policies typically rely on task-specific demonstrations via multi-task imitation, or require task-specific reward labels to facilitate policy optimization via Reinf…

Cited by 0Source ↗PDF ↗Scholar ↗