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Related papers: AVLEN: Audio-Visual-Language Embodied Navigation i…

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We study lifelong visual perception in an embodied setup, where we develop new models and compare various agents that navigate in buildings and occasionally request annotations which, in turn, are used to refine their visual perception…

Computer Vision and Pattern Recognition · Computer Science 2021-12-30 David Nilsson , Aleksis Pirinen , Erik Gärtner , Cristian Sminchisescu

Audio-visual navigation is an audio-targeted wayfinding task where a robot agent is entailed to travel a never-before-seen 3D environment towards the sounding source. In this article, we present ORAN, an omnidirectional audio-visual…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Jinyu Chen , Wenguan Wang , Si Liu , Hongsheng Li , Yi Yang

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

Vision-language navigation (VLN) requires intelligent agents to navigate environments by interpreting linguistic instructions alongside visual observations, serving as a cornerstone task in Embodied AI. Current VLN research for unmanned…

Vision language navigation is the task that requires an agent to navigate through a 3D environment based on natural language instructions. One key challenge in this task is to ground instructions with the current visual information that the…

Computation and Language · Computer Science 2021-04-21 Jialu Li , Hao Tan , Mohit Bansal

Vision-language navigation (VLN) requires an agent to navigate through an 3D environment based on visual observations and natural language instructions. It is clear that the pivotal factor for successful navigation lies in the comprehensive…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Rui Liu , Wenguan Wang , Yi Yang

Vision-and-Language Navigation (VLN) tasks require an agent to navigate through the environment based on language instructions. In this paper, we aim to solve two key challenges in this task: utilizing multilingual instructions for improved…

Computer Vision and Pattern Recognition · Computer Science 2022-07-06 Jialu Li , Hao Tan , Mohit Bansal

Navigating complex urban environments using natural language instructions poses significant challenges for embodied agents, including noisy language instructions, ambiguous spatial references, diverse landmarks, and dynamic street scenes.…

Robotics · Computer Science 2026-01-16 Yanghong Mei , Yirong Yang , Longteng Guo , Qunbo Wang , Ming-Ming Yu , Xingjian He , Wenjun Wu , Jing Liu

In this work we use deep reinforcement learning to create an autonomous agent that can navigate in a two-dimensional space using only raw auditory sensory information from the environment, a problem that has received very little attention…

Sound · Computer Science 2021-05-17 Petros Giannakopoulos , Aggelos Pikrakis , Yannis Cotronis

Audio-visual Navigation refers to an agent utilizing visual and auditory information in complex 3D environments to accomplish target localization and path planning, thereby achieving autonomous navigation. The core challenge of this task…

Sound · Computer Science 2026-04-06 Xinyu Zhou , Yinfeng Yu

Navigation presents a significant challenge for persons with visual impairments (PVI). While traditional aids such as white canes and guide dogs are invaluable, they fall short in delivering detailed spatial information and precise guidance…

Recently emerged Vision-and-Language Navigation (VLN) tasks have drawn significant attention in both computer vision and natural language processing communities. Existing VLN tasks are built for agents that navigate on the ground, either…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Shubo Liu , Hongsheng Zhang , Yuankai Qi , Peng Wang , Yaning Zhang , Qi Wu

VALAN is a lightweight and scalable software framework for deep reinforcement learning based on the SEED RL architecture. The framework facilitates the development and evaluation of embodied agents for solving grounded language…

Machine Learning · Computer Science 2019-12-09 Larry Lansing , Vihan Jain , Harsh Mehta , Haoshuo Huang , Eugene Ie

The Vision-and-Language Navigation (VLN) task entails an agent following navigational instruction in photo-realistic unknown environments. This challenging task demands that the agent be aware of which instruction was completed, which…

Artificial Intelligence · Computer Science 2019-01-11 Chih-Yao Ma , Jiasen Lu , Zuxuan Wu , Ghassan AlRegib , Zsolt Kira , Richard Socher , Caiming Xiong

The emerging vision-and-language navigation (VLN) problem aims at learning to navigate an agent to the target location in unseen photo-realistic environments according to the given language instruction. The main challenges of VLN arise…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Weixia Zhang , Chao Ma , Qi Wu , Xiaokang Yang

Learning to navigate in unstructured environments is a challenging task for robots. While reinforcement learning can be effective, it often requires extensive data collection and can pose risk. Learning from expert demonstrations, on the…

Robotics · Computer Science 2024-12-31 Nimrod Curtis , Osher Azulay , Avishai Sintov

Vision-Language Navigation (VLN) enables agents to navigate in complex environments by following natural language instructions grounded in visual observations. Although most existing work has focused on ground-based robots or outdoor…

Robotics · Computer Science 2025-12-23 Xu Liu , Yu Liu , Hanshuo Qiu , Yang Qirong , Zhouhui Lian

Language-driven object navigation requires agents to interpret natural language descriptions of target objects, which combine intrinsic and extrinsic attributes for instance recognition and commonsense navigation. Existing methods either…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Francesco Taioli , Shiping Yang , Sonia Raychaudhuri , Marco Cristani , Unnat Jain , Angel X Chang

Embodied agents, trained to explore and navigate indoor photorealistic environments, have achieved impressive results on standard datasets and benchmarks. So far, experiments and evaluations have involved domestic and working scenes like…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Roberto Bigazzi , Federico Landi , Silvia Cascianelli , Marcella Cornia , Lorenzo Baraldi , Rita Cucchiara

Autonomous navigation guided by natural language instructions in embodied environments remains a challenge for vision-language navigation (VLN) agents. Although recent advancements in learning diverse and fine-grained visual environmental…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Xuesong Zhang , Jia Li , Yunbo Xu , Zhenzhen Hu , Richang Hong