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Related papers: Support-weighted Adversarial Imitation Learning

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In-context imitation learning allows robots to acquire skills from demonstrations, yet one-shot trajectory generation remains fragile under environmental variation. We propose SAIL, a framework that reframes robot imitation as an iterative…

Robotics · Computer Science 2026-03-10 Makoto Sato , Yusuke Iwasawa , Yujin Tang , So Kuroki

Adversarial Imitation Learning (AIL) allows the agent to reproduce expert behavior with low-dimensional states and actions. However, challenges arise in handling visual states due to their less distinguishable representation compared to…

Machine Learning · Computer Science 2024-01-23 Yunke Wang , Linwei Tao , Bo Du , Yutian Lin , Chang Xu

Learning from demonstrations has made great progress over the past few years. However, it is generally data hungry and task specific. In other words, it requires a large amount of data to train a decent model on a particular task, and the…

Machine Learning · Computer Science 2021-03-29 Pin Wang , Hanhan Li , Ching-Yao Chan

Adversarial imitation learning (AIL) has become a popular alternative to supervised imitation learning that reduces the distribution shift suffered by the latter. However, AIL requires effective exploration during an online reinforcement…

Machine Learning · Computer Science 2023-10-16 Trevor Ablett , Bryan Chan , Jonathan Kelly

Achieving carbon neutrality within industrial operations has become increasingly imperative for sustainable development. It is both a significant challenge and a key opportunity for operational optimization in industry 4.0. In recent years,…

Machine Learning · Computer Science 2024-07-15 Yuyang Ye , Lu-An Tang , Haoyu Wang , Runlong Yu , Wenchao Yu , Erhu He , Haifeng Chen , Hui Xiong

Learning complex policies with Reinforcement Learning (RL) is often hindered by instability and slow convergence, a problem exacerbated by the difficulty of reward engineering. Imitation Learning (IL) from expert demonstrations bypasses…

Machine Learning · Computer Science 2026-05-19 Sayambhu Sen , Shalabh Bhatnagar

Explicit engineering of reward functions for given environments has been a major hindrance to reinforcement learning methods. While Inverse Reinforcement Learning (IRL) is a solution to recover reward functions from demonstrations only,…

Machine Learning · Computer Science 2020-02-24 David Venuto , Jhelum Chakravorty , Leonard Boussioux , Junhao Wang , Gavin McCracken , Doina Precup

The current landscape of multi-agent expert imitation is broadly dominated by two families of algorithms - Behavioral Cloning (BC) and Adversarial Imitation Learning (AIL). BC approaches suffer from compounding errors, as they ignore the…

Artificial Intelligence · Computer Science 2021-10-19 Akshay Dharmavaram , Tejus Gupta , Jiachen Li , Katia P. Sycara

Interactive Imitation Learning (IIL) is a branch of Imitation Learning (IL) where human feedback is provided intermittently during robot execution allowing an online improvement of the robot's behavior. In recent years, IIL has increasingly…

Although robotic imitation learning (RIL) is promising for embodied intelligent robots, existing RIL approaches rely on computationally intensive multi-model trajectory predictions, resulting in slow execution and limited real-time…

Robotics · Computer Science 2024-12-31 Jun Xie , Zhicheng Wang , Jianwei Tan , Huanxu Lin , Xiaoguang Ma

Reinforcement learning for multi-goal robot manipulation tasks poses significant challenges due to the diversity and complexity of the goal space. Techniques such as Hindsight Experience Replay (HER) have been introduced to improve learning…

Robotics · Computer Science 2025-06-17 Yingyi Kuang , Luis J. Manso , George Vogiatzis

Multi-task Imitation Learning (MIL) aims to train a policy capable of performing a distribution of tasks based on multi-task expert demonstrations, which is essential for general-purpose robots. Existing MIL algorithms suffer from low data…

Machine Learning · Computer Science 2023-06-29 Jiayu Chen , Dipesh Tamboli , Tian Lan , Vaneet Aggarwal

Adversarial Imitation Learning (AIL) faces challenges with sample inefficiency because of its reliance on sufficient on-policy data to evaluate the performance of the current policy during reward function updates. In this work, we study the…

Machine Learning · Computer Science 2024-05-28 Yilei Chen , Vittorio Giammarino , James Queeney , Ioannis Ch. Paschalidis

Imitation learning learns a policy from demonstrations without requiring hand-designed reward functions. In many robotic tasks, such as autonomous racing, imitated policies must model complex environment dynamics and human decision-making.…

Machine Learning · Computer Science 2024-07-12 Catherine Weaver , Chen Tang , Ce Hao , Kenta Kawamoto , Masayoshi Tomizuka , Wei Zhan

Adversarial Imitation Learning (AIL) is a class of popular state-of-the-art Imitation Learning algorithms commonly used in robotics. In AIL, an artificial adversary's misclassification is used as a reward signal that is optimized by any…

Machine Learning · Computer Science 2022-12-01 Ankur Deka , Changliu Liu , Katia Sycara

Aligning diffusion models with human preferences remains challenging, particularly when reward models are unavailable or impractical to obtain, and collecting large-scale preference datasets is prohibitively expensive. \textit{This raises a…

Computer Vision and Pattern Recognition · Computer Science 2026-02-12 Xiaoxuan He , Siming Fu , Wanli Li , Zhiyuan Li , Dacheng Yin , Kang Rong , Fengyun Rao , Bo Zhang

Post-training of flow matching models-aligning the output distribution with a high-quality target-is mathematically equivalent to imitation learning. While Supervised Fine-Tuning mimics expert demonstrations effectively, it cannot correct…

Computer Vision and Pattern Recognition · Computer Science 2026-02-13 Yeyao Ma , Chen Li , Xiaosong Zhang , Han Hu , Weidi Xie

Often times in imitation learning (IL), the environment we collect expert demonstrations in and the environment we want to deploy our learned policy in aren't exactly the same (e.g. demonstrations collected in simulation but deployment in…

Neural and Evolutionary Computing · Computer Science 2024-06-19 Silvia Sapora , Gokul Swamy , Chris Lu , Yee Whye Teh , Jakob Nicolaus Foerster

Imitation learning has been a trend recently, yet training a generalist agent across multiple tasks still requires large-scale expert demonstrations, which are costly and labor-intensive to collect. To address the challenge of limited…

Robotics · Computer Science 2025-09-25 Yifan Ye , Jun Cen , Jing Chen , Zhihe Lu

Large language models (LLMs) have been significantly improved by instruction fine-tuning, but still lack transparency and the ability to utilize up-to-date knowledge and information. In this work, we propose search-augmented instruction…

Computation and Language · Computer Science 2023-06-27 Hongyin Luo , Yung-Sung Chuang , Yuan Gong , Tianhua Zhang , Yoon Kim , Xixin Wu , Danny Fox , Helen Meng , James Glass