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In this work, we propose a modular approach for the Vision-Language Navigation (VLN) task by decomposing the problem into four sub-modules that use state-of-the-art Large Language Models (LLMs) and Vision-Language Models (VLMs) in a…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Navid Rajabi , Jana Kosecka

Reasoning about spatial relationships between objects is essential for many real-world robotic tasks, such as fetch-and-delivery, object rearrangement, and object search. The ability to detect and disambiguate different objects and identify…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Negar Nejatishahidin , Madhukar Reddy Vongala , Jana Kosecka

Object search is a fundamental task for robots deployed in indoor building environments, yet challenges arise due to observation instability, especially for open-vocabulary models. While foundation models (LLMs/VLMs) enable reasoning about…

Robotics · Computer Science 2025-03-05 Qianwei Wang , Yifan Xu , Vineet Kamat , Carol Menassa

Exploration of unknown environments is crucial for autonomous robots; it allows them to actively reason and decide on what new data to acquire for different tasks, such as mapping, object discovery, and environmental assessment. Existing…

Robotics · Computer Science 2025-05-09 Boyang Sun , Hanzhi Chen , Stefan Leutenegger , Cesar Cadena , Marc Pollefeys , Hermann Blum

Zero-shot object navigation (ZSON) in unseen environments remains a challenging problem for household robots, requiring strong perceptual understanding and decision-making capabilities. While recent methods leverage metric maps and Large…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Qunchao Jin , Yilin Wu , Changhao Chen

Vision-language models (VLMs) show great promise for 3D scene understanding but are mainly applied to indoor spaces or autonomous driving, focusing on low-level tasks like segmentation. This work expands their use to urban-scale…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Valentin Bieri , Marco Zamboni , Nicolas S. Blumer , Qingxuan Chen , Francis Engelmann

Autonomous navigation in unfamiliar environments often relies on geometric mapping and planning strategies that overlook rich semantic cues such as signs, room numbers, and textual labels. We propose a novel semantic navigation framework…

Robotics · Computer Science 2026-01-13 Jing Cao , Nishanth Kumar , Aidan Curtis

Service robots in human-centered environments such as hospitals, office buildings, and long-term care homes need to navigate while adhering to social norms to ensure the safety and comfortability of the people they are sharing the space…

Robotics · Computer Science 2025-03-11 Siddarth Narasimhan , Aaron Hao Tan , Daniel Choi , Goldie Nejat

This paper introduces an innovative application of foundation models, enabling Unmanned Ground Vehicles (UGVs) equipped with an RGB-D camera to navigate to designated destinations based on human language instructions. Unlike learning-based…

Robotics · Computer Science 2024-10-15 Chanhoe Ryu , Hyunki Seong , Daegyu Lee , Seongwoo Moon , Sungjae Min , D. Hyunchul Shim

Language-guided embodied navigation requires an agent to interpret object-referential instructions, search across multiple rooms, localize the referenced target, and execute reliable motion toward it. Existing systems remain limited in real…

Robotics · Computer Science 2026-03-19 Zhongyuang Liu , Min He , Shaonan Yu , Xinhang Xu , Muqing Cao , Jianping Li , Jianfei Yang , Lihua Xie

Vision-and-Language Navigation (VLN) empowers agents to associate time-sequenced visual observations with corresponding instructions to make sequential decisions. However, generalization remains a persistent challenge, particularly when…

Robotics · Computer Science 2025-02-27 Zerui Li , Gengze Zhou , Haodong Hong , Yanyan Shao , Wenqi Lyu , Yanyuan Qiao , Qi Wu

In open-vocabulary mobile manipulation (OVMM), task success often hinges on the selection of an appropriate base placement for the robot. Existing approaches typically navigate to proximity-based regions without considering affordances,…

Robotics · Computer Science 2026-01-06 Tzu-Jung Lin , Jia-Fong Yeh , Hung-Ting Su , Chung-Yi Lin , Yi-Ting Chen , Winston H. Hsu

Zero-shot vision-and-language navigation (VLN) has gained significant attention due to its minimal data collection costs and inherent generalization. This paradigm is typically driven by the integration of pre-trained Vision-Language Models…

Robotics · Computer Science 2026-05-15 Ziyi Xia , Chaoran Xiong , Litao Wei , Xinhao Hu , Ling Pei

Large-scale Vision-Language Foundation Models (VLFMs), such as CLIP, now underpin a wide range of computer vision research and applications. VLFMs are often adapted to various domain-specific tasks. However, VLFM performance on novel,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Chris Vorster , Mayug Maniparambil , Noel E. O'Connor , Noel Murphy , Derek Molloy

Vision-Language Models (VLMs) have emerged as the dominant approach for zero-shot recognition, adept at handling diverse scenarios and significant distribution changes. However, their deployment in risk-sensitive areas requires a deeper…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Weijie Tu , Weijian Deng , Dylan Campbell , Stephen Gould , Tom Gedeon

Zero-shot anomaly detection aims to detect and localise abnormal regions in the image without access to any in-domain training images. While recent approaches leverage vision-language models (VLMs), such as CLIP, to transfer high-level…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Matic Fučka , Vitjan Zavrtanik , Danijel Skočaj

Vision-and-Language Navigation (VLN) refers to the task of enabling autonomous robots to navigate unfamiliar environments by following natural language instructions. While recent Large Vision-Language Models (LVLMs) have shown promise in…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Vebjørn Haug Kåsene , Pierre Lison

Recent advances in large Vision-Language Models (VLMs) have provided rich semantic understanding that empowers drones to search for open-set objects via natural language instructions. However, prior systems struggle to integrate VLMs into…

Robotics · Computer Science 2026-01-21 Xuecheng Chen , Zongzhuo Liu , Jianfa Ma , Bang Du , Tiantian Zhang , Xueqian Wang , Boyu Zhou

Current techniques in Visual Simultaneous Localization and Mapping (VSLAM) estimate camera displacement by comparing image features of consecutive scenes. These algorithms depend on scene continuity, hence requires frequent camera inputs.…

Robotics · Computer Science 2024-01-25 Mingyang Li , Yue Ma , Qinru Qiu

Vision-and-Language Navigation (VLN) requires an agent to ground language instructions to its own movement within a visual environment. While state-of-the-art methods leverage the reasoning capabilities of Vision-Language Models (VLMs) for…