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We address the problem of video representation learning without human-annotated labels. While previous efforts address the problem by designing novel self-supervised tasks using video data, the learned features are merely on a…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Jiangliu Wang , Jianbo Jiao , Linchao Bao , Shengfeng He , Yunhui Liu , Wei Liu

Learning from demonstration is a powerful method for teaching robots new skills, and having more demonstration data often improves policy learning. However, the high cost of collecting demonstration data is a significant bottleneck. Videos,…

Robotics · Computer Science 2024-07-15 Chuan Wen , Xingyu Lin , John So , Kai Chen , Qi Dou , Yang Gao , Pieter Abbeel

When we humans look at a video of human-object interaction, we can not only infer what is happening but we can even extract actionable information and imitate those interactions. On the other hand, current recognition or geometric…

Computer Vision and Pattern Recognition · Computer Science 2020-03-27 Kiana Ehsani , Shubham Tulsiani , Saurabh Gupta , Ali Farhadi , Abhinav Gupta

In this paper, we tackle the challenging task of learning a generalizable human NeRF model from a monocular video. Although existing generalizable human NeRFs have achieved impressive results, they require muti-view images or videos which…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Chen Li , Jiahao Lin , Gim Hee Lee

Offline meta-reinforcement learning aims to equip agents with the ability to rapidly adapt to new tasks by training on data from a set of different tasks. Context-based approaches utilize a history of state-action-reward transitions --…

Machine Learning · Computer Science 2025-01-23 Mohammadreza Nakhaei , Aidan Scannell , Joni Pajarinen

Traditional model-based reinforcement learning (RL) methods generate forward rollout traces using the learnt dynamics model to reduce interactions with the real environment. The recent model-based RL method considers the way to learn a…

Machine Learning · Computer Science 2022-08-05 Yuxin Pan , Fangzhen Lin

In this paper, we introduce a method to automatically reconstruct the 3D motion of a person interacting with an object from a single RGB video. Our method estimates the 3D poses of the person together with the object pose, the contact…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Zongmian Li , Jiri Sedlar , Justin Carpentier , Ivan Laptev , Nicolas Mansard , Josef Sivic

Tracking human object interaction from videos is important to understand human behavior from the rapidly growing stream of video data. Previous video-based methods require predefined object templates while single-image-based methods are…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Xianghui Xie , Jan Eric Lenssen , Gerard Pons-Moll

This work presents an object-centric approach to learning vision-based manipulation skills from human videos. We investigate the problem of robot manipulation via imitation in the open-world setting, where a robot learns to manipulate novel…

Robotics · Computer Science 2025-09-05 Yifeng Zhu , Arisrei Lim , Peter Stone , Yuke Zhu

The goal of imitation learning is to mimic expert behavior without access to an explicit reward signal. Expert demonstrations provided by humans, however, often show significant variability due to latent factors that are typically not…

Machine Learning · Computer Science 2017-11-16 Yunzhu Li , Jiaming Song , Stefano Ermon

We present a novel method for collaborative robots (cobots) to learn manipulation tasks and perform them in a human-like manner. Our method falls under the learn-from-observation (LfO) paradigm, where robots learn to perform tasks by…

Robotics · Computer Science 2024-12-17 Ehsan Asali , Prashant Doshi

This paper presents a novel method for learning reward functions for robotic motions by harnessing the power of a CLIP-based model. Traditional reward function design often hinges on manual feature engineering, which can struggle to…

Robotics · Computer Science 2025-01-30 Xuzhe Dang , Stefan Edelkamp

Forecasting future events based on evidence of current conditions is an innate skill of human beings, and key for predicting the outcome of any decision making. In artificial vision for example, we would like to predict the next human…

Computer Vision and Pattern Recognition · Computer Science 2022-06-03 Tsung-Ming Tai , Giuseppe Fiameni , Cheng-Kuang Lee , Simon See , Oswald Lanz

Learning from demonstration is a proven technique to teach robots new skills. Data quality and quantity play a critical role in the performance of models trained using data collected from human demonstrations. In this paper we enhance an…

Robotics · Computer Science 2024-04-02 Catie Cuan , Allison Okamura , Mohi Khansari

Learning to produce efficient movement behaviour for humanoid robots from scratch is a hard problem, as has been illustrated by the "Learning to run" competition at NIPS 2017. The goal of this competition was to train a two-legged model of…

Machine Learning · Computer Science 2020-12-17 Aleksandra Malysheva , Daniel Kudenko , Aleksei Shpilman

Devising intelligent agents able to live in an environment and learn by observing the surroundings is a longstanding goal of Artificial Intelligence. From a bare Machine Learning perspective, challenges arise when the agent is prevented…

Computer Vision and Pattern Recognition · Computer Science 2022-04-27 Matteo Tiezzi , Simone Marullo , Lapo Faggi , Enrico Meloni , Alessandro Betti , Stefano Melacci

The majority of modern robot learning methods focus on learning a set of pre-defined tasks with limited or no generalization to new tasks. Extending the robot skillset to novel tasks involves gathering an extensive amount of training data…

Robotics · Computer Science 2025-04-03 Dandan Shan , Kaichun Mo , Wei Yang , Yu-Wei Chao , David Fouhey , Dieter Fox , Arsalan Mousavian

We examine the problem of learning sequential tasks from a single visual demonstration. A key challenge arises when demonstrations are temporally misaligned due to variations in timing, differences in embodiment, or inconsistencies in…

Machine Learning · Computer Science 2025-07-16 William Huey , Huaxiaoyue Wang , Anne Wu , Yoav Artzi , Sanjiban Choudhury

We present a learning-based model to infer the personalized 3D shape of people from a few frames (1-8) of a monocular video in which the person is moving, in less than 10 seconds with a reconstruction accuracy of 5mm. Our model learns to…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Thiemo Alldieck , Marcus Magnor , Bharat Lal Bhatnagar , Christian Theobalt , Gerard Pons-Moll

Imitation learning seeks to circumvent the difficulty in designing proper reward functions for training agents by utilizing expert behavior. With environments modeled as Markov Decision Processes (MDP), most of the existing imitation…

Machine Learning · Computer Science 2021-05-24 Dripta S. Raychaudhuri , Sujoy Paul , Jeroen van Baar , Amit K. Roy-Chowdhury