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We propose a self-supervised visual learning method by predicting the variable playback speeds of a video. Without semantic labels, we learn the spatio-temporal visual representation of the video by leveraging the variations in the visual…

计算机视觉与模式识别 · 计算机科学 2021-06-02 Hyeon Cho , Taehoon Kim , Hyung Jin Chang , Wonjun Hwang

Deep Reinforcement Learning (DRL) enables robots to learn complex behaviors through interaction with the environment. However, due to the unrestricted nature of the learning algorithms, the resulting solutions are often brittle and appear…

机器人学 · 计算机科学 2025-03-04 Oliver Hausdörfer , Alexander von Rohr , Éric Lefort , Angela Schoellig

Instructional videos provide a convenient modality to learn new tasks (ex. cooking a recipe, or assembling furniture). A viewer will want to find a corresponding video that reflects both the overall task they are interested in as well as…

计算机视觉与模式识别 · 计算机科学 2025-02-25 Karan Samel , Nitish Sontakke , Irfan Essa

Vision-Language-Action (VLA) models have emerged as a promising framework for end-to-end autonomous driving. However, existing VLAs typically rely on sparse action supervision, which underutilizes their powerful scene understanding and…

计算机视觉与模式识别 · 计算机科学 2026-05-22 Xiaodong Mei , Diankun Zhang , Hongwei Xie , Guang Chen , Hangjun Ye , Dan Xu

Preference-based reinforcement learning (PbRL) can enable robots to learn to perform tasks based on an individual's preferences without requiring a hand-crafted reward function. However, existing approaches either assume access to a…

机器学习 · 计算机科学 2024-02-13 Yi Liu , Gaurav Datta , Ellen Novoseller , Daniel S. Brown

Machines are a long way from robustly solving open-world perception-control tasks, such as first-person view (FPV) aerial navigation. While recent advances in end-to-end Machine Learning, especially Imitation and Reinforcement Learning…

计算机视觉与模式识别 · 计算机科学 2020-03-10 Rogerio Bonatti , Ratnesh Madaan , Vibhav Vineet , Sebastian Scherer , Ashish Kapoor

Prompt learning has achieved great success in efficiently exploiting large-scale pre-trained models in natural language processing (NLP). It reformulates the downstream tasks as the generative pre-training ones to achieve consistency, thus…

计算机视觉与模式识别 · 计算机科学 2023-12-18 Ning Liao , Bowen Shi , Xiaopeng Zhang , Min Cao , Junchi Yan , Qi Tian

Weakly supervised temporal action localization (WTAL) aims to detect action instances in untrimmed videos using only video-level annotations. Since many existing works optimize WTAL models based on action classification labels, they…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Geuntaek Lim , Hyunwoo Kim , Joonsoo Kim , Yukyung Choi

Image-based visual-language (I-VL) pre-training has shown great success for learning joint visual-textual representations from large-scale web data, revealing remarkable ability for zero-shot generalisation. This paper presents a simple but…

计算机视觉与模式识别 · 计算机科学 2022-07-18 Chen Ju , Tengda Han , Kunhao Zheng , Ya Zhang , Weidi Xie

Generative models have made significant progress in synthesizing visual content, including images, videos, and 3D/4D structures. However, they are typically trained with surrogate objectives such as likelihood or reconstruction loss, which…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Yuanzhi Liang , Yijie Fang , Ke Hao , Rui Li , Ziqi Ni , Ruijie Su , Chi Zhang

The recent success in deep learning has lead to various effective representation learning methods for videos. However, the current approaches for video representation require large amount of human labeled datasets for effective learning. We…

计算机视觉与模式识别 · 计算机科学 2018-11-30 Shruti Vyas , Yogesh S Rawat , Mubarak Shah

Visual domain randomization in simulated environments is a widely used method to transfer policies trained in simulation to real robots. However, domain randomization and augmentation hamper the training of a policy. As reinforcement…

机器学习 · 计算机科学 2021-04-30 Artemij Amiranashvili , Max Argus , Lukas Hermann , Wolfram Burgard , Thomas Brox

In this paper, a deep reinforcement learning (DRL) method is proposed to address the problem of UAV navigation in an unknown environment. However, DRL algorithms are limited by the data efficiency problem as they typically require a huge…

机器人学 · 计算机科学 2020-08-07 Lei He , Nabil Aouf , James F. Whidborne , Bifeng Song

Videos provide a rich source of information, but it is generally hard to extract dynamical parameters of interest. Inferring those parameters from a video stream would be beneficial for physical reasoning. Robots performing tasks in dynamic…

机器人学 · 计算机科学 2020-08-31 Martin Asenov , Michael Burke , Daniel Angelov , Todor Davchev , Kartic Subr , Subramanian Ramamoorthy

Imitation learning (IL) has achieved considerable success in solving complex sequential decision-making problems. However, current IL methods mainly assume that the environment for learning policies is the same as the environment for…

机器学习 · 计算机科学 2023-10-24 Siyuan Li , Xun Wang , Rongchang Zuo , Kewu Sun , Lingfei Cui , Jishiyu Ding , Peng Liu , Zhe Ma

Recent work in visual representation learning for robotics demonstrates the viability of learning from large video datasets of humans performing everyday tasks. Leveraging methods such as masked autoencoding and contrastive learning, these…

机器人学 · 计算机科学 2023-02-27 Siddharth Karamcheti , Suraj Nair , Annie S. Chen , Thomas Kollar , Chelsea Finn , Dorsa Sadigh , Percy Liang

Progress in deep learning highlights the tremendous potential of utilizing diverse robotic datasets for attaining effective generalization and makes it enticing to consider leveraging broad datasets for attaining robust generalization in…

机器人学 · 计算机科学 2023-09-26 Aviral Kumar , Anikait Singh , Frederik Ebert , Mitsuhiko Nakamoto , Yanlai Yang , Chelsea Finn , Sergey Levine

In this work, we evaluate the effectiveness of representation learning approaches for decision making in visually complex environments. Representation learning is essential for effective reinforcement learning (RL) from high-dimensional…

机器学习 · 计算机科学 2022-04-26 Jun Yamada , Karl Pertsch , Anisha Gunjal , Joseph J. Lim

End-to-end reinforcement learning on images showed significant progress in the recent years. Data-based approach leverage data augmentation and domain randomization while representation learning methods use auxiliary losses to learn…

机器学习 · 计算机科学 2024-01-19 Tom Dupuis , Jaonary Rabarisoa , Quoc-Cuong Pham , David Filliat

Learning a generalist embodied agent capable of completing multiple tasks poses challenges, primarily stemming from the scarcity of action-labeled robotic datasets. In contrast, a vast amount of human videos exist, capturing intricate tasks…

机器学习 · 计算机科学 2024-10-10 Haoran He , Chenjia Bai , Ling Pan , Weinan Zhang , Bin Zhao , Xuelong Li