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Reinforcement learning suffers from limitations in real practices primarily due to the number of required interactions with virtual environments. It results in a challenging problem because we are implausible to obtain a local optimal…

机器学习 · 计算机科学 2024-10-28 Qizhen Wu , Kexin Liu , Lei Chen

We propose a multi-time-scale predictive representation learning method to efficiently learn robust driving policies in an offline manner that generalize well to novel road geometries, and damaged and distracting lane conditions which are…

机器人学 · 计算机科学 2021-03-16 Daniel Graves , Nhat M. Nguyen , Kimia Hassanzadeh , Jun Jin , Jun Luo

Meta-learning, or learning-to-learn, seeks to design algorithms that can utilize previous experience to rapidly learn new skills or adapt to new environments. Representation learning -- a key tool for performing meta-learning -- learns a…

机器学习 · 计算机科学 2022-01-04 Nilesh Tripuraneni , Chi Jin , Michael I. Jordan

Recent works have demonstrated that transformer can achieve promising performance in computer vision, by exploiting the relationship among image patches with self-attention. While they only consider the attention in a single feature layer,…

计算机视觉与模式识别 · 计算机科学 2023-06-12 Nannan Li , Yaran Chen , Weifan Li , Zixiang Ding , Dongbin Zhao

The ability to autonomously learn behaviors via direct interactions in uninstrumented environments can lead to generalist robots capable of enhancing productivity or providing care in unstructured settings like homes. Such uninstrumented…

机器人学 · 计算机科学 2021-11-15 Rutav Shah , Vikash Kumar

Vision-Language-Action (VLA) models have shown great potential in general robotic decision-making tasks via imitation learning. However, the variable quality of training data often constrains the performance of these models. On the other…

机器人学 · 计算机科学 2025-05-13 Hongyin Zhang , Zifeng Zhuang , Han Zhao , Pengxiang Ding , Hongchao Lu , Donglin Wang

Embodied AI agents require a fine-grained understanding of the physical world mediated through visual and language inputs. Such capabilities are difficult to learn solely from task-specific data. This has led to the emergence of pre-trained…

计算机视觉与模式识别 · 计算机科学 2024-05-12 Gunshi Gupta , Karmesh Yadav , Yarin Gal , Dhruv Batra , Zsolt Kira , Cong Lu , Tim G. J. Rudner

This paper introduces a novel deep learning-based multimodal fusion architecture aimed at enhancing the perception capabilities of autonomous navigation robots in complex environments. By utilizing innovative feature extraction modules,…

机器学习 · 计算机科学 2025-04-29 Delun Lai , Yeyubei Zhang , Yunchong Liu , Chaojie Li , Huadong Mo

Although convolutional neural networks (CNNs) showed remarkable results in many vision tasks, they are still strained by simple yet challenging visual reasoning problems. Inspired by the recent success of the Transformer network in computer…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Nicola Messina , Giuseppe Amato , Fabio Carrara , Claudio Gennaro , Fabrizio Falchi

The Vision Transformer (ViT) architecture has become widely recognized in computer vision, leveraging its self-attention mechanism to achieve remarkable success across various tasks. Despite its strengths, ViT's optimization remains…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Haoyu Yun , Hamid Krim

Recent advances of Transformers have brought new trust to computer vision tasks. However, on small dataset, Transformers is hard to train and has lower performance than convolutional neural networks. We make vision transformers as…

计算机视觉与模式识别 · 计算机科学 2022-03-07 Bin Chen , Ran Wang , Di Ming , Xin Feng

Learning long-term dynamics models is the key to understanding physical common sense. Most existing approaches on learning dynamics from visual input sidestep long-term predictions by resorting to rapid re-planning with short-term models.…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Haozhi Qi , Xiaolong Wang , Deepak Pathak , Yi Ma , Jitendra Malik

Learning an accurate model of the environment is essential for model-based control tasks. Existing methods in robotic visuomotor control usually learn from data with heavily labelled actions, object entities or locations, which can be…

机器人学 · 计算机科学 2021-07-27 Haoqi Yuan , Ruihai Wu , Andrew Zhao , Haipeng Zhang , Zihan Ding , Hao Dong

This paper studies the BERT pretraining of video transformers. It is a straightforward but worth-studying extension given the recent success from BERT pretraining of image transformers. We introduce BEVT which decouples video representation…

计算机视觉与模式识别 · 计算机科学 2022-03-04 Rui Wang , Dongdong Chen , Zuxuan Wu , Yinpeng Chen , Xiyang Dai , Mengchen Liu , Yu-Gang Jiang , Luowei Zhou , Lu Yuan

Operator learning, which aims to approximate maps between infinite-dimensional function spaces, is an important area in scientific machine learning with applications across various physical domains. Here we introduce the Continuous Vision…

机器学习 · 计算机科学 2025-02-18 Sifan Wang , Jacob H Seidman , Shyam Sankaran , Hanwen Wang , George J. Pappas , Paris Perdikaris

Scene-aware Complementary Item Retrieval (CIR) is a challenging task which requires to generate a set of compatible items across domains. Due to the subjectivity, it is difficult to set up a rigorous standard for both data collection and…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Xijun Wang , Anqi Liang , Junbang Liang , Ming Lin , Yu Lou , Shan Yang

In order to autonomously learn wide repertoires of complex skills, robots must be able to learn from their own autonomously collected data, without human supervision. One learning signal that is always available for autonomously collected…

机器人学 · 计算机科学 2017-10-18 Frederik Ebert , Chelsea Finn , Alex X. Lee , Sergey Levine

Interactive adaptive systems powered by Reinforcement Learning (RL) have many potential applications, such as intelligent tutoring systems. In such systems there is typically an external human system designer that is creating, monitoring…

人工智能 · 计算机科学 2020-04-06 Ramtin Keramati , Emma Brunskill

Adaptive control for real-time manipulation requires quick estimation and prediction of object properties. While robot learning in this area primarily focuses on using vision, many tasks cannot rely on vision due to object occlusion. Here,…

机器人学 · 计算机科学 2021-10-12 Ahalya Prabhakar , Stanislas Furrer , Lorenzo Panchetti , Maxence Perret , Aude Billard

Vision transformers have attracted much attention from computer vision researchers as they are not restricted to the spatial inductive bias of ConvNets. However, although Transformer-based backbones have achieved much progress on ImageNet…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Hong-Yu Zhou , Chixiang Lu , Sibei Yang , Yizhou Yu