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Intelligent tutoring systems leverage AI models of expert learning and student knowledge to deliver personalized tutoring to students. While these intelligent tutors have demonstrated improved student learning outcomes, it is still unclear…

Human-Computer Interaction · Computer Science 2024-04-22 Grace Guo , Aishwarya Mudgal Sunil Kumar , Adit Gupta , Adam Coscia , Chris MacLellan , Alex Endert

The proliferation of Large Language Models (LLMs) in function calling is pivotal for creating advanced AI agents, yet their large scale hinders widespread adoption, necessitating transferring their capabilities into smaller ones. However,…

Artificial Intelligence · Computer Science 2026-02-25 Jiliang Ni , Jiachen Pu , Zhongyi Yang , Jingfeng Luo , Conggang Hu

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

It is not until we become senior citizens do we recognise how much we took maintaining a simple standing posture for granted. It is truly fascinating to observe the magnitude of control the human brain exercises, in real time, to activate…

Robotics · Computer Science 2020-08-28 Mohammed Hossny , Julie Iskander

With the recent development of Deep Learning applied to Computer Vision, sport video understanding has gained a lot of attention, providing much richer information for both sport consumers and leagues. This paper introduces…

Computer Vision and Pattern Recognition · Computer Science 2022-08-18 Gabriel Van Zandycke , Vladimir Somers , Maxime Istasse , Carlo Del Don , Davide Zambrano

The creation of 4D avatars (i.e., animated 3D avatars) from text description typically uses text-to-image (T2I) diffusion models to synthesize 3D avatars in the canonical space and subsequently applies animation with target motions.…

Computer Vision and Pattern Recognition · Computer Science 2024-06-10 Zenghao Chai , Chen Tang , Yongkang Wong , Mohan Kankanhalli

Vision-Language Models (VLMs) are known to struggle with spatial reasoning and visual alignment. To help overcome these limitations, we introduce iVISPAR, an interactive multimodal benchmark designed to evaluate the spatial reasoning…

Computation and Language · Computer Science 2025-10-01 Julius Mayer , Mohamad Ballout , Serwan Jassim , Farbod Nosrat Nezami , Elia Bruni

Virtual character animation control is a problem for which Reinforcement Learning (RL) is a viable approach. While current work have applied RL effectively to portray physics-based skills, social behaviours are challenging to design reward…

Machine Learning · Computer Science 2021-04-14 Vihanga Gamage , Cathy Ennis , Robert Ross

A control-theoretic framework for autonomous avatar-guided rehabilitation in virtual reality, based on interpretable, adaptive motor guidance through optimal control, is presented. The framework faces critical challenges in motor…

Systems and Control · Electrical Eng. & Systems 2025-12-11 Francesco De Lellis , Maria Lombardi , Egidio De Benedetto , Pasquale Arpaia , Mario di Bernardo

Virtual Reality (VR) applications have revolutionized user experiences by immersing individuals in interactive 3D environments. These environments find applications in numerous fields, including healthcare, education, or architecture. A…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Antoine Maiorca , Seyed Abolfazl Ghasemzadeh , Thierry Ravet , François Cresson , Thierry Dutoit , Christophe De Vleeschouwer

We demonstrate ViDA-MAN, a digital-human agent for multi-modal interaction, which offers realtime audio-visual responses to instant speech inquiries. Compared to traditional text or voice-based system, ViDA-MAN offers human-like…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Tong Shen , Jiawei Zuo , Fan Shi , Jin Zhang , Liqin Jiang , Meng Chen , Zhengchen Zhang , Wei Zhang , Xiaodong He , Tao Mei

With the advent of state-of-the-art machine learning and deep learning technologies, several industries are moving towards the field. Applications of such technologies are highly diverse ranging from natural language processing to computer…

Computer Vision and Pattern Recognition · Computer Science 2021-01-01 Viny Saajan Victor , Pramod Vadiraja , Jan-Tobias Sohns , Heike Leitte

Many everyday tasks rely on external tutorials such as manuals and videos, requiring users to constantly switch between reading instructions and performing actions, which disrupts workflow and increases cognitive load. Augmented reality…

Human-Computer Interaction · Computer Science 2026-05-19 Yusi Sun , Ying Jiang , Jiayin Lu , Yin yang , Yong-Hong Kuo , Chenfanfu Jiang

Advancements in large language models offer strong potential for enhancing virtual simulated patients (VSPs) in medical education by providing scalable alternatives to resource-intensive traditional methods. However, current VSPs often…

Computation and Language · Computer Science 2025-12-23 Victor De Marez , Jens Van Nooten , Luna De Bruyne , Walter Daelemans

The capacity to create realistic virtual humans has progressed significantly, and such characters can be found in many applications across entertainment, education and health. As an essential element of interactive virtual humans,…

Graphics · Computer Science 2026-05-12 Haoyang Du , Yinghan Xu , John Dingliana , Brian Keegan , Rachel McDonnell , Cathy Ennis

Training AI agents to proactively assist humans in daily activities, from routine household tasks to urgent safety situations, requires large-scale visual data. However, capturing such scenarios in the real world is often difficult, costly,…

Computation and Language · Computer Science 2026-05-12 Yu-Hsiang Liu , Yu-Chien Tang , An-Zi Yen

Robots trained via Reinforcement Learning (RL) or Imitation Learning (IL) often adapt slowly to new tasks, whereas recent Large Language Models (LLMs) and Vision-Language Models (VLMs) promise knowledge-rich planning from minimal data.…

Natural and efficient interaction remains a critical challenge for virtual reality and augmented reality (VR/AR) systems. Vision-based gesture recognition suffers from high computational cost, sensitivity to lighting conditions, and privacy…

Human-Computer Interaction · Computer Science 2025-11-11 Xijie Zhang , Fengliang He , Hong-Ning Dai

Vision Language Models (VLMs) are increasingly being used in a broad range of applications, bringing their security and behavioral control to the forefront. While existing approaches for behavioral control or output redirection, like system…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Mansi Phute , Ravikumar Balakrishnan

Public speaking is an essential skill in everyone's professional or academic career. Nevertheless, honing this skill is often tricky because training in front of a mirror does not give feedback or inspire the same anxiety as present-ing in…

Human-Computer Interaction · Computer Science 2020-10-14 Diego Monteiro , Hai-Ning Liang , Hongji Li , Yu Fu , Xian Wang