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Virtual Reality (VR) head-mounted displays (HMDs) have been studied widely as tools for the most diverse kinds of training activities. One special kind that is the basis for many real-world applications is spatial knowledge acquisition and…

Human-Computer Interaction · Computer Science 2021-04-16 Diego Monteiro , Xian Wang , Hai-Ning Liang , Yiyu Cai

In the training process of Deep Reinforcement Learning (DRL), agents require repetitive interactions with the environment. With an increase in training volume and model complexity, it is still a challenging problem to enhance data…

Machine Learning · Computer Science 2024-05-15 Jingwen Wang , Dehui Du , Yida Li , Yiyang Li , Yikang Chen

Text-based games are a popular testbed for language-based reinforcement learning (RL). In previous work, deep Q-learning is commonly used as the learning agent. Q-learning algorithms are challenging to apply to complex real-world domains…

Machine Learning · Computer Science 2023-06-28 Weichen Li , Rati Devidze , Sophie Fellenz

Mixed Reality (MR) could assist users' tasks by continuously integrating virtual content with their view of the physical environment. However, where and how to place these content to best support the users has been a challenging problem due…

Human-Computer Interaction · Computer Science 2025-05-01 Feiyu Lu , Mengyu Chen , Hsiang Hsu , Pranav Deshpande , Cheng Yao Wang , Blair MacIntyre

Over the past years, significant progress has been made in creating photorealistic and drivable 3D avatars solely from videos of real humans. However, a core remaining challenge is the fine-grained and user-friendly editing of clothing…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Basavaraj Sunagad , Heming Zhu , Mohit Mendiratta , Adam Kortylewski , Christian Theobalt , Marc Habermann

Generating high-fidelity upper-body 3D avatars from one-shot input image remains a significant challenge. Current 3D avatar generation methods, which rely on large reconstruction models, are fast and capable of producing stable body…

Computer Vision and Pattern Recognition · Computer Science 2025-12-10 Fan Yang , Heyuan Li , Peihao Li , Weihao Yuan , Lingteng Qiu , Chaoyue Song , Cheng Chen , Yisheng He , Shifeng Zhang , Xiaoguang Han , Steven Hoi , Guosheng Lin

We present a new approach ARLPCG: Adversarial Reinforcement Learning for Procedural Content Generation, which procedurally generates and tests previously unseen environments with an auxiliary input as a control variable. Training RL agents…

Machine Learning · Computer Science 2021-06-11 Linus Gisslén , Andy Eakins , Camilo Gordillo , Joakim Bergdahl , Konrad Tollmar

Advancements in reinforcement learning have produced a variety of complex and useful intrinsic driving forces; crucially, these drivers operate under a direct conditioning paradigm. This form of conditioning limits our agents' capacity by…

Machine Learning · Computer Science 2026-05-13 Rodney A Sanchez , Ferat Sahin , Alex Ororbia , Jamison Heard

Reinforcement learning (RL) is attracting attention as an effective way to solve sequential optimization problems that involve high dimensional state/action space and stochastic uncertainties. Many such problems involve constraints…

Machine Learning · Computer Science 2021-04-01 Haeun Yoo , Victor M. Zavala , Jay H. Lee

We present a novel Deep Reinforcement Learning (DRL) based policy to compute dynamically feasible and spatially aware velocities for a robot navigating among mobile obstacles. Our approach combines the benefits of the Dynamic Window…

Robotics · Computer Science 2020-11-30 Utsav Patel , Nithish Kumar , Adarsh Jagan Sathyamoorthy , Dinesh Manocha

Deep reinforcement learning has proven to be successful for learning tasks in simulated environments, but applying same techniques for robots in real-world domain is more challenging, as they require hours of training. To address this,…

Machine Learning · Computer Science 2020-03-24 Janne Karttunen , Anssi Kanervisto , Ville Kyrki , Ville Hautamäki

Rehabilitation robots are often used in game-like interactions for rehabilitation to increase a person's motivation to complete rehabilitation exercises. By adjusting exercise difficulty for a specific user throughout the exercise…

Robotics · Computer Science 2025-05-08 Nathaniel Dennler , Zhonghao Shi , Uksang Yoo , Stefanos Nikolaidis , Maja Matarić

Deep reinforcement learning has shown promising results on an abundance of robotic tasks in simulation, including visual navigation and manipulation. Prior work generally aims to build embodied agents that solve their assigned tasks as…

Robotics · Computer Science 2022-10-25 Tianwei Ni , Kiana Ehsani , Luca Weihs , Jordi Salvador

The balancing process for game levels in competitive two-player contexts involves a lot of manual work and testing, particularly for non-symmetrical game levels. In this work, we frame game balancing as a procedural content generation task…

Machine Learning · Computer Science 2025-03-25 Florian Rupp , Manuel Eberhardinger , Kai Eckert

Physical activity or exercise can improve people's health and reduce their risk of developing several diseases; most importantly, regular activity can improve the quality of life. However, lack of time is one of the major barriers for…

Human-Computer Interaction · Computer Science 2020-10-09 Wenge Xu , Hai-Ning Liang , Xiaoyue Ma , Xiang Li

Imitation Learning from monocular video demonstrations provides a scalable approach for teaching complex skills to humanoid robots. However, translating human motion to humanoids requires overcoming significant morphological mismatches.…

Virtual reality (VR) offers immersive visualization and intuitive interaction. We leverage VR to enable any biomedical professional to deploy a deep learning (DL) model for image classification. While DL models can be powerful tools for…

Machine Learning · Computer Science 2022-06-22 Kevin C. VanHorn , Meyer Zinn , Murat Can Cobanoglu

Reinforcement learning was carried out in a simulated environment to learn continuous velocity control over multiple motor axes. This was then applied to a real-world optical tweezers experiment with the objective of moving a laser-trapped…

Machine Learning · Computer Science 2020-11-11 Matthew Praeger , Yunhui Xie , James A. Grant-Jacob , Robert W. Eason , Ben Mills

Creating physically realistic content in VR often requires complex modeling tools or predefined 3D models, textures, and animations, which present significant barriers for non-expert users. In this paper, we propose SketchPlay, a novel VR…

Human-Computer Interaction · Computer Science 2025-12-29 Xiangwen Zhang , Xiaowei Dai , Runnan Chen , Xiaoming Chen , Zeke Zexi Hu

We present Playable Environments - a new representation for interactive video generation and manipulation in space and time. With a single image at inference time, our novel framework allows the user to move objects in 3D while generating a…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Willi Menapace , Stéphane Lathuilière , Aliaksandr Siarohin , Christian Theobalt , Sergey Tulyakov , Vladislav Golyanik , Elisa Ricci