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Dynamical systems governed by ordinary differential equations (ODEs) serve as models for a vast number of natural and social phenomena. In this work, we offer a fresh perspective on the classical problem of imputing missing time series…

Machine Learning · Computer Science 2025-03-17 Patrick Seifner , Kostadin Cvejoski , Antonia Körner , Ramsés J. Sánchez

Zero-shot recognition aims to accurately recognize objects of unseen classes by using a shared visual-semantic mapping between the image feature space and the semantic embedding space. This mapping is learned on training data of seen…

Computer Vision and Pattern Recognition · Computer Science 2017-03-21 Yanan Li , Donghui Wang , Huanhang Hu , Yuetan Lin , Yueting Zhuang

The decision and planning system for autonomous driving in urban environments is hard to design. Most current methods manually design the driving policy, which can be expensive to develop and maintain at scale. Instead, with imitation…

Robotics · Computer Science 2019-10-15 Jianyu Chen , Bodi Yuan , Masayoshi Tomizuka

Multi-modal learning has become increasingly popular due to its ability to leverage information from different data sources (e.g., text and images) to improve the model performance. Recently, CLIP has emerged as an effective approach that…

Machine Learning · Computer Science 2024-07-12 Zixiang Chen , Yihe Deng , Yuanzhi Li , Quanquan Gu

From the beginning of zero-shot learning research, visual attributes have been shown to play an important role. In order to better transfer attribute-based knowledge from known to unknown classes, we argue that an image representation with…

Computer Vision and Pattern Recognition · Computer Science 2021-05-07 Wenjia Xu , Yongqin Xian , Jiuniu Wang , Bernt Schiele , Zeynep Akata

Classically, imitation learning algorithms have been developed for idealized situations, e.g., the demonstrations are often required to be collected in the exact same environment and usually include the demonstrator's actions. Recently,…

Machine Learning · Computer Science 2019-06-20 Faraz Torabi , Garrett Warnell , Peter Stone

Zero-shot learning (ZSL) aims to recognize instances of unseen classes solely based on the semantic descriptions of the classes. Existing algorithms usually formulate it as a semantic-visual correspondence problem, by learning mappings from…

Computer Vision and Pattern Recognition · Computer Science 2019-11-28 Kai Li , Martin Renqiang Min , Yun Fu

Imitation can allow us to quickly gain an understanding of a new task. Through a demonstration, we can gain direct knowledge about which actions need to be performed and which goals they have. In this paper, we introduce a new approach to…

Robotics · Computer Science 2024-06-04 Josua Spisak , Matthias Kerzel , Stefan Wermter

We study the problem of offline imitation learning in Markov decision processes (MDPs), where the goal is to learn a well-performing policy given a dataset of state-action pairs generated by an expert policy. Complementing a recent line of…

Machine Learning · Computer Science 2026-01-09 Antoine Moulin , Gergely Neu , Luca Viano

Offline imitation learning (IL) promises the ability to learn performant policies from pre-collected demonstrations without interactions with the environment. However, imitating behaviors fully offline typically requires numerous expert…

Machine Learning · Computer Science 2023-03-07 Lantao Yu , Tianhe Yu , Jiaming Song , Willie Neiswanger , Stefano Ermon

Zero-shot learning (ZSL) aims to recognize unseen image categories by learning an embedding space between image and semantic representations. For years, among existing works, it has been the center task to learn the proper mapping matrices…

Computer Vision and Pattern Recognition · Computer Science 2018-03-20 Yan Li , Junge Zhang , Jianguo Zhang , Kaiqi Huang

Zero-shot Learners are models capable of predicting unseen classes. In this work, we propose a Zero-shot Learning approach for text categorization. Our method involves training model on a large corpus of sentences to learn the relationship…

Computation and Language · Computer Science 2017-12-27 Pushpankar Kumar Pushp , Muktabh Mayank Srivastava

Imitation learning enables agents to reuse and adapt the hard-won expertise of others, offering a solution to several key challenges in learning behavior. Although it is easy to observe behavior in the real-world, the underlying actions may…

Machine Learning · Computer Science 2021-07-09 Andrew Jaegle , Yury Sulsky , Arun Ahuja , Jake Bruce , Rob Fergus , Greg Wayne

Cross-modality data translation has attracted great interest in image computing. Deep generative models (\textit{e.g.}, GANs) show performance improvement in tackling those problems. Nevertheless, as a fundamental challenge in image…

Computer Vision and Pattern Recognition · Computer Science 2023-02-01 Zihao Wang , Yingyu Yang , Maxime Sermesant , Hervé Delingette , Ona Wu

Online few-shot learning describes a setting where models are trained and evaluated on a stream of data while learning emerging classes. While prior work in this setting has achieved very promising performance on instance classification…

Computer Vision and Pattern Recognition · Computer Science 2022-06-17 Mayank Lunayach , James Smith , Zsolt Kira

Learning from humans is challenging because people are imperfect teachers. When everyday humans show the robot a new task they want it to perform, humans inevitably make errors (e.g., inputting noisy actions) and provide suboptimal examples…

Robotics · Computer Science 2025-05-19 Shahabedin Sagheb , Dylan P. Losey

We examine the problem of transferring a policy learned in a source environment to a target environment with different dynamics, particularly in the case where it is critical to reduce the amount of interaction with the target environment…

Artificial Intelligence · Computer Science 2021-01-26 Siddharth Desai , Ishan Durugkar , Haresh Karnan , Garrett Warnell , Josiah Hanna , Peter Stone

This paper addresses the challenge of leveraging multiple embedding spaces for multi-shop personalization, proving that zero-shot inference is possible by transferring shopping intent from one website to another without manual intervention.…

Information Retrieval · Computer Science 2020-07-30 Federico Bianchi , Jacopo Tagliabue , Bingqing Yu , Luca Bigon , Ciro Greco

We address goal-based imitation learning, where the aim is to output the symbolic goal from a third-person video demonstration. This enables the robot to plan for execution and reproduce the same goal in a completely different environment.…

Consider the following problem: given a few demonstrations of a task across a few different objects, how can a robot learn to perform that same task on new, previously unseen objects? This is challenging because the large variety of objects…

Robotics · Computer Science 2023-10-20 Vitalis Vosylius , Edward Johns