Out-of-Distribution Generalization with a SPARC: Racing 100 Unseen Vehicles with a Single Policy
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Abstract (arXiv)
Generalization to unseen environments is a significant challenge in the field of robotics and control. In this work, we focus on contextual reinforcement learning, where agents act within environments with varying contexts, such as self-driving cars or quadrupedal robots that need to operate in different terrains or weather conditions than they were trained for. We tackle the critical task of generalizing to out-of-distribution (OOD) settings, without access to explicit context information at test time. Recent work has addressed this problem by training a context encoder and a history adaptation module in separate stages. While promising, this two-phase approach is cumbersome to implement and train. We simplify the methodology and introduce SPARC: single-phase adaptation for robust control. We test SPARC on varying contexts within the high-fidelity racing simulator Gran Turismo 7 and wind-perturbed MuJoCo environments, and find that it achieves reliable and robust OOD generalization.
Key facts. Cited by 4 papers in the map (data through 7 Oct 2026). Builds on 22 of its 27 references that are in the map. First posted on arXiv 12 Nov 2025.
Builds on
22 of 27 references.
References · 22
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10 more
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Built on by
Citing papers per year: 2026: 4.
4 papers.
- 2026Contextual Intelligence The Next Leap for Reinforcement Learningcited by 1
- 2026Self-Paced Curriculum Reinforcement Learning for Autonomous Superbike Racing in Simulationcited by 0
- 2026Task Specialization Fine-Tuning for Contextual Reinforcement Learningcited by 0
- 2026Dynamic Context Scheduling: Learning Beyond the Static Universecited by 0
- 2026Dynamic Context Scheduling: Learning Beyond the Static Universe21 Aug 2026
- 2026Task Specialization Fine-Tuning for Contextual Reinforcement Learning17 Aug 2026
- 2026Self-Paced Curriculum Reinforcement Learning for Autonomous Superbike Racing in Simulation8 Jun 2026
- 2026Contextual Intelligence The Next Leap for Reinforcement Learning17 Feb 2026