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Model-free learning with imitation
Walia, Nikash
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https://hdl.handle.net/2142/120276
Description
- Title
- Model-free learning with imitation
- Author(s)
- Walia, Nikash
- Issue Date
- 2023-04-17
- Director of Research (if dissertation) or Advisor (if thesis)
- Lazebnik, Svetlana
- Department of Study
- Computer Science
- Discipline
- Computer Science
- Degree Granting Institution
- University of Illinois at Urbana-Champaign
- Degree Name
- M.S.
- Degree Level
- Thesis
- Keyword(s)
- Reinforcement learning
- Knowledge distillation
- Abstract
- Optimizing sample efficiency, or the experience needed in an environment to gain satisfactory performance, is a core challenge for developing reinforcement learning agents. While imitation learning resolves this issue, it is constrained by expert performance. On the other hand, model-based strategies, which learn a world model of the environment, typically fail to approach the asymptotic performance of model-free approaches. In this thesis, we focus on combining imitation learning with model-free reinforcement learning to maximize sample efficiency and achieve higher asymptotic performance. We propose an intuitive approach to leveraging the strengths of each paradigm to produce higher rewards over a fixed number of frames when observing learned experts. We further investigate our method’s applicability to knowledge distillation for reduced-complexity agents. These studies and results lay the foundation for further study which will benefit model-free reinforcement learning as a whole.
- Graduation Semester
- 2023-05
- Type of Resource
- Thesis
- Copyright and License Information
- Copyright 2023 Nikash Walia
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Graduate Dissertations and Theses at Illinois PRIMARY
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