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Related papers: Generative Adversarial Imitation from Observation

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Deep reinforcement learning (DRL) has achieved great successes in many simulated tasks. The sample inefficiency problem makes applying traditional DRL methods to real-world robots a great challenge. Generative Adversarial Imitation Learning…

Machine Learning · Computer Science 2021-04-15 Jie Huang , Rongshun Juan , Randy Gomez , Keisuke Nakamura , Qixin Sha , Bo He , Guangliang Li

Imitation learning (IL) algorithms use expert demonstrations to learn a specific task. Most of the existing approaches assume that all expert demonstrations are reliable and trustworthy, but what if there exist some adversarial…

Machine Learning · Computer Science 2021-01-06 Mostafa Hussein , Brendan Crowe , Marek Petrik , Momotaz Begum

The need for opponent modeling and tracking arises in several real-world scenarios, such as professional sports, video game design, and drug-trafficking interdiction. In this work, we present Graph based Adversarial Modeling with Mutal…

Machine Learning · Computer Science 2023-07-06 Sean Ye , Manisha Natarajan , Zixuan Wu , Rohan Paleja , Letian Chen , Matthew C. Gombolay

Recent research on vulnerabilities of deep reinforcement learning (RL) has shown that adversarial policies adopted by an adversary agent can influence a target RL agent (victim agent) to perform poorly in a multi-agent environment. In…

Machine Learning · Computer Science 2022-11-01 The Viet Bui , Tien Mai , Thanh H. Nguyen

The problem of learning from positive and unlabeled data (A.K.A. PU learning) has been studied in a binary (i.e., positive versus negative) classification setting, where the input data consist of (1) observations from the positive class and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-29 Omar Zamzam , Haleh Akrami , Richard Leahy

We revisit the long-standing problem of learning from a small sample, to which end we propose a novel method called GLICO (Generative Latent Implicit Conditional Optimization). GLICO learns a mapping from the training examples to a latent…

Machine Learning · Computer Science 2020-12-16 Idan Azuri , Daphna Weinshall

Physical AI is being successfully applied to data which does not follow the traditional paradigm of independent and identically distributed (i.i.d.) samples. In fact, physical AI is often trained on data which is not random at all, and is…

Machine Learning · Computer Science 2026-05-19 Joris C. Kühl , Hanno Gottschalk

Generative adversarial networks (GANs) provide an algorithmic framework for constructing generative models with several appealing properties: they do not require a likelihood function to be specified, only a generating procedure; they…

Machine Learning · Statistics 2017-02-28 Shakir Mohamed , Balaji Lakshminarayanan

Recent developments in imitation learning have considerably advanced robotic manipulation. However, current techniques in imitation learning can suffer from poor generalization, limiting performance even under relatively minor domain…

Robotics · Computer Science 2025-07-31 Yifei Chen , Yuzhe Zhang , Giovanni D'urso , Nicholas Lawrance , Brendan Tidd

Implicit generative models have the capability to learn arbitrary complex data distributions. On the downside, training requires telling apart real data from artificially-generated ones using adversarial discriminators, leading to unstable…

Machine Learning · Computer Science 2024-02-27 José Manuel de Frutos , Pablo M. Olmos , Manuel A. Vázquez , Joaquín Míguez

Video action analysis is a foundational technology within the realm of intelligent video comprehension, particularly concerning its application in Internet of Things(IoT). However, existing methodologies overlook feature semantics in…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Guiqin Wang , Peng Zhao , Cong Zhao , Jing Huang , Siyan Guo , Shusen Yang

Imitation learning is a widely used approach for training agents to replicate expert behavior in complex decision-making tasks. However, existing methods often struggle with compounding errors and limited generalization, due to the inherent…

Machine Learning · Computer Science 2025-04-21 Haldun Balim , Yang Hu , Yuyang Zhang , Na Li

Imitation learning is an effective tool for robotic learning tasks where specifying a reinforcement learning (RL) reward is not feasible or where the exploration problem is particularly difficult. Imitation, typically behavior cloning or…

Robotics · Computer Science 2021-03-19 Yuxiang Zhou , Yusuf Aytar , Konstantinos Bousmalis

Imitation learning enables autonomous agents to learn from human examples, without the need for a reward signal. Still, if the provided dataset does not encapsulate the task correctly, or when the task is too complex to be modeled, such…

Artificial Intelligence · Computer Science 2024-06-10 Federico Malato , Ville Hautamaki

This work proposes a new class of proactive attacks called the Informational Denial-of-Service (IDoS) attacks that exploit the attentional human vulnerability. By generating a large volume of feints, IDoS attacks deplete the cognitive…

Cryptography and Security · Computer Science 2021-10-19 Linan Huang , Quanyan Zhu

In imitation learning, it is common to learn a behavior policy to match an unknown target policy via max-likelihood training on a collected set of target demonstrations. In this work, we consider using offline experience datasets -…

Machine Learning · Computer Science 2021-10-11 Ofir Nachum , Mengjiao Yang

Reinforcement Learning (RL) in partially observable environments poses significant challenges due to the complexity of learning under uncertainty. While additional information, such as that available in simulations, can enhance training,…

Machine Learning · Computer Science 2026-03-16 Yueheng Li , Guangming Xie , Zongqing Lu

In practice, imitation learning is preferred over pure reinforcement learning whenever it is possible to design a teaching agent to provide expert supervision. However, we show that when the teaching agent makes decisions with access to…

Machine Learning · Computer Science 2021-12-06 Luca Weihs , Unnat Jain , Iou-Jen Liu , Jordi Salvador , Svetlana Lazebnik , Aniruddha Kembhavi , Alexander Schwing

Imitation learning is a popular approach for training visual navigation policies. However, collecting expert demonstrations for legged robots is challenging as these robots can be hard to control, move slowly, and cannot operate…

Artificial Intelligence · Computer Science 2020-03-05 Xinlei Pan , Tingnan Zhang , Brian Ichter , Aleksandra Faust , Jie Tan , Sehoon Ha

Recent work has explored the problem of autonomous navigation by imitating a teacher and learning an end-to-end policy, which directly predicts controls from raw images. However, these approaches tend to be sensitive to mistakes by the…

Computer Vision and Pattern Recognition · Computer Science 2019-05-24 Guohao Li , Matthias Müller , Vincent Casser , Neil Smith , Dominik L. Michels , Bernard Ghanem