Coarse-to-fine Q-Network with Action Sequence for Data-Efficient Reinforcement Learning
On the map: Deep reinforcement learning methods → Deep RL algorithms and representations
Abstract (arXiv)
Predicting a sequence of actions has been crucial in the success of recent behavior cloning algorithms in robotics. Can similar ideas improve reinforcement learning (RL)? We answer affirmatively by observing that incorporating action sequences when predicting ground-truth return-to-go leads to lower validation loss. Motivated by this, we introduce Coarse-to-fine Q-Network with Action Sequence (CQN-AS), a novel value-based RL algorithm that learns a critic network that outputs Q-values over a sequence of actions, i.e., explicitly training the value function to learn the consequence of executing action sequences. Our experiments show that CQN-AS outperforms several baselines on a variety of sparse-reward humanoid control and tabletop manipulation tasks from BiGym and RLBench.
Key facts. Cited by 10 papers in the map (data through 14 Oct 2026). Placed in Deep RL algorithms and representations, one of 15 directions in Deep reinforcement learning methods. Builds on 42 of its 58 references that are in the map. First posted on arXiv 19 Nov 2024.
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42 of 58 references.
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Other references · 41
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Built on by
Citing papers per year: 2026: 10.
10 papers.
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- 2026PAC-ACT: Post-training Actor-Critic for Action Chunking Transformerscited by 1
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- 2026Offline Reinforcement Learning with Universal Horizon Models15 May 2026
- 2026Adaptive Action Chunking via Multi-Chunk Q Value Estimation11 May 2026
- 2026ACSAC: Adaptive Chunk Size Actor-Critic with Causal Transformer Q-Network10 May 2026
- 2026Adaptive Q-Chunking for Offline-to-Online Reinforcement Learning7 May 2026
- 2026FastDSAC: Unlocking the Potential of Maximum Entropy RL in High-Dimensional Humanoid Control13 Mar 2026
- 2026SEAR: Sample Efficient Action Chunking Reinforcement Learning2 Mar 2026
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