Policy Reinforcement Learning
Policy reinforcement learning aims to train agents to make optimal decisions in sequential environments by learning effective policies from data, often overcoming challenges like sparse rewards and high-dimensional state spaces. Current research emphasizes improving sample efficiency and robustness through techniques like off-policy learning with importance sampling adjustments, the development of novel algorithms (e.g., actor-critic methods, GFlowNets), and incorporating advanced model architectures (e.g., recurrent neural networks, diffusion models) to handle complex data and environments. These advancements hold significant promise for diverse applications, including robotics, personalized medicine, and resource management, by enabling more efficient and reliable learning from limited or complex data.
Papers
NaviSTAR: Socially Aware Robot Navigation with Hybrid Spatio-Temporal Graph Transformer and Preference Learning
Weizheng Wang, Ruiqi Wang, Le Mao, Byung-Cheol Min
Exploiting Symmetry and Heuristic Demonstrations in Off-policy Reinforcement Learning for Robotic Manipulation
Amir M. Soufi Enayati, Zengjie Zhang, Kashish Gupta, Homayoun Najjaran