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Visual navigation tasks in real-world environments often require both self-motion and place recognition feedback. While deep reinforcement learning has shown success in solving these perception and decision-making problems in an end-to-end…

Robotics · Computer Science 2020-03-03 Marvin Chancán , Michael Milford

Simulating nuanced user experiences within complex interactive search systems poses distinct challenge for traditional methodologies, which often rely on static user proxies or, more recently, on standalone large language model (LLM) agents…

Information Retrieval · Computer Science 2026-03-02 Saber Zerhoudi , Michael Granitzer

Assisting humans in open-world outdoor environments requires robots to translate high-level natural-language intentions into safe, long-horizon, and socially compliant navigation behavior. Existing map-based methods rely on costly pre-built…

The metaverse has awakened users' expectations of an immersive interaction that fuses the virtual digital world and the physical world across space and time. However, the metaverse is still in its infancy, typically expanding multi-player…

Multimedia · Computer Science 2022-10-14 Yakun Huang , Xiuquan Qiao , Haowen Wang , Xiang Su , Schahram Dustdar , Ping Zhang

Personalization has traditionally depended on platform-specific user models that are optimized for prediction but remain largely inaccessible to the people they describe. As LLM-based assistants increasingly mediate search, shopping,…

Information Retrieval · Computer Science 2026-04-23 Jiahao Liu , Mingzhe Han , Guanming Liu , Weihang Wang , Dongsheng Li , Hansu Gu , Peng Zhang , Tun Lu , Ning Gu

Recent research in language-guided visual navigation has demonstrated a significant demand for the diversity of traversable environments and the quantity of supervision for training generalizable agents. To tackle the common data scarcity…

Computer Vision and Pattern Recognition · Computer Science 2023-08-11 Zun Wang , Jialu Li , Yicong Hong , Yi Wang , Qi Wu , Mohit Bansal , Stephen Gould , Hao Tan , Yu Qiao

The conditional diffusion model has been demonstrated as an efficient tool for learning robot policies, owing to its advancement to accurately model the conditional distribution of policies. The intricate nature of real-world scenarios,…

Robotics · Computer Science 2024-07-03 Wenhao Yu , Jie Peng , Huanyu Yang , Junrui Zhang , Yifan Duan , Jianmin Ji , Yanyong Zhang

Autonomous navigation consists in an agent being able to navigate without human intervention or supervision, it affects both high level planning and low level control. Navigation is at the crossroad of multiple disciplines, it combines…

Robotics · Computer Science 2020-11-24 Maxime Pietrantoni , Boris Chidlovskii , Tomi Silander

The rise of large language models (LLMs) has made natural language-driven route planning an emerging research area that encompasses rich user objectives. Current research exhibits two distinct approaches: direct route planning using…

Artificial Intelligence · Computer Science 2025-09-17 Liangqi Yuan , Dong-Jun Han , Christopher G. Brinton , Sabine Brunswicker

With the advances in sensors and computer networks an increased number of Mixed Reality (MR) applications require large amounts of information from the real world. Such information is collected through sensors (e.g. position and orientation…

Networking and Internet Architecture · Computer Science 2018-11-30 Felix G. Hamza-Lup , Charles Hughes , Jannick P. Rolland

Aligning robot navigation with human preferences is essential for ensuring comfortable, and predictable robot movement in shared spaces. While preference-based learning methods, such as reinforcement learning from human feedback (RLHF),…

Human-Computer Interaction · Computer Science 2025-10-21 Jorge de Heuvel , Daniel Marta , Simon Holk , Iolanda Leite , Maren Bennewitz

Mixed reality platforms allow users to create virtual environments, yet novice users struggle with both ideation and execution in spatial design. While existing AI models can automatically generate scenes based on user prompts, the lack of…

Human-Computer Interaction · Computer Science 2025-08-05 Zhuangze Hou , Jingze Tian , Nianlong Li , Farong Ren , Can Liu

With the rapid development of communication technologies and extended reality (XR), the services and applications of the Metaverse are gradually entering our lives. However, the current development of the Metaverse provides users with…

Networking and Internet Architecture · Computer Science 2023-09-19 Yilong Hui , Gaosheng Zhao , Nan Cheng , Haibo Zhou , Zhou Su

In the vision and language navigation task, the agent may encounter ambiguous situations that are hard to interpret by just relying on visual information and natural language instructions. We propose an interactive learning framework to…

Artificial Intelligence · Computer Science 2019-12-03 Ta-Chung Chi , Mihail Eric , Seokhwan Kim , Minmin Shen , Dilek Hakkani-tur

Projective simulation (PS) is a model for intelligent agents with a deliberation capacity that is based on episodic memory. The model has been shown to provide a flexible framework for constructing reinforcement-learning agents, and it…

Machine Learning · Computer Science 2018-11-27 Alexey A. Melnikov , Adi Makmal , Hans J. Briegel

The development of embodied agents that can communicate with humans in natural language has gained increasing interest over the last years, as it facilitates the diffusion of robotic platforms in human-populated environments. As a step…

Robotics · Computer Science 2024-04-16 Roberto Bigazzi , Marcella Cornia , Silvia Cascianelli , Lorenzo Baraldi , Rita Cucchiara

Training-free Vision-Language Navigation (VLN) agents powered by foundation models can follow instructions and explore 3D environments. However, existing approaches rely on greedy frontier selection and passive spatial memory, leading to…

Robotics · Computer Science 2026-04-03 Xueying Li , Feng Lyu , Hao Wu , Mingliu Liu , Jia-Nan Liu , Guozi Liu

Mobile navigation apps are among the most used mobile applications and are often used as a baseline to evaluate new mobile navigation technologies in field studies. As field studies often introduce external factors that are hard to control…

State-of-the-art navigation methods leverage a spatial memory to generalize to new environments, but their occupancy maps are limited to capturing the geometric structures directly observed by the agent. We propose occupancy anticipation,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Santhosh K. Ramakrishnan , Ziad Al-Halah , Kristen Grauman

The current state of modern web interfaces, especially in regards to accessibility focused usage is extremely lacking. Traditional methods for web interaction, such as scripting languages and screen readers, often lack the flexibility to…

Artificial Intelligence · Computer Science 2025-07-08 Trisanth Srinivasan , Santosh Patapati