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Object-goal navigation requires mobile robots to efficiently locate targets with visual and spatial information, yet existing methods struggle with generalization in unseen environments. Heuristic approaches with naive metrics fail in…

Robotics · Computer Science 2025-07-22 Mengying Lin , Shugao Liu , Dingxi Zhang , Yaran Chen , Zhaoran Wang , Haoran Li , Dongbin Zhao

While Vision-Language Models (VLMs) are set to transform robotic navigation, existing methods often underutilize their reasoning capabilities. To unlock the full potential of VLMs in robotics, we shift their role from passive observers to…

Robotics · Computer Science 2025-11-13 Mobin Habibpour , Fatemeh Afghah

Object Navigation (ObjectNav) is a fundamental task in embodied artificial intelligence. Although significant progress has been made in semantic map construction and target direction prediction in current research, redundant exploration and…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Junjie Li , Nan Zhang , Xiaoyang Qu , Kai Lu , Guokuan Li , Jiguang Wan , Jianzong Wang

Visual navigation in unknown environments based solely on natural language descriptions is a key capability for intelligent robots. In this work, we propose a navigation framework built upon off-the-shelf Visual Language Models (VLMs),…

Robotics · Computer Science 2025-08-08 Weifan Zhang , Tingguang Li , Yuzhen Liu

The advancement of robotics and autonomous navigation systems hinges on the ability to accurately predict terrain traversability. Traditional methods for generating datasets to train these prediction models often involve putting robots into…

Robotics · Computer Science 2025-10-21 Shreya Gummadi , Mateus V. Gasparino , Gianluca Capezzuto , Marcelo Becker , Girish Chowdhary

Zero-Shot Object Navigation (ZSON) enables agents to navigate towards open-vocabulary objects in unknown environments. The existing works of ZSON mainly focus on following individual instructions to find generic object classes, neglecting…

Robotics · Computer Science 2024-05-31 Yinpei Dai , Run Peng , Sikai Li , Joyce Chai

Open-Vocabulary Mobile Manipulation (OVMM) is a crucial capability for autonomous robots, especially when faced with the challenges posed by unknown and dynamic environments. This task requires robots to explore and build a semantic…

Robotics · Computer Science 2024-06-27 Dicong Qiu , Wenzong Ma , Zhenfu Pan , Hui Xiong , Junwei Liang

LLM-based agents have demonstrated impressive zero-shot performance in vision-language navigation (VLN) tasks. However, most zero-shot methods primarily rely on closed-source LLMs as navigators, which face challenges related to high token…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Kailin Lyu , Kangyi Wu , Pengna Li , Xiuyu Hu , Qingyi Si , Cui Miao , Ning Yang , Zihang Wang , Long Xiao , Lianyu Hu , Jingyuan Sun , Ce Hao

Object Goal Navigation-requiring an agent to locate a specific object in an unseen environment-remains a core challenge in embodied AI. Although recent progress in Vision-Language Model (VLM)-based agents has demonstrated promising…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Dujun Nie , Xianda Guo , Yiqun Duan , Ruijun Zhang , Long Chen

This work studies the problem of object goal navigation which involves navigating to an instance of the given object category in unseen environments. End-to-end learning-based navigation methods struggle at this task as they are ineffective…

Computer Vision and Pattern Recognition · Computer Science 2020-07-03 Devendra Singh Chaplot , Dhiraj Gandhi , Abhinav Gupta , Ruslan Salakhutdinov

Zero-Shot Object Navigation (ZSON) requires agents to navigate to objects specified via open-ended natural language without predefined categories or prior environmental knowledge. While recent methods leverage foundation models or…

Robotics · Computer Science 2025-09-19 Ruimeng Liu , Xinhang Xu , Shenghai Yuan , Lihua Xie

Zero-shot object navigation (ZSON) requires robots to locate target objects in unseen environments without task-specific fine-tuning or pre-built maps, a capability crucial for service and household robotics. Existing methods perform well…

Robotics · Computer Science 2026-03-25 Yu He , Da Huang , Zhenyang Liu , Zixiao Gu , Qiang Sun , Guangnan Ye , Yanwei Fu , Yu-Gang Jiang

Vision-and-Language Navigation (VLN) requires an agent to interpret natural language instructions and navigate complex environments. Current approaches often adopt a "black-box" paradigm, where a single Large Language Model (LLM) makes…

Computer Vision and Pattern Recognition · Computer Science 2025-09-11 Chenghao Liu , Zhimu Zhou , Jiachen Zhang , Minghao Zhang , Songfang Huang , Huiling Duan

Deployable service and delivery robots struggle to navigate multi-floor buildings to reach object goals, as existing systems fail due to single-floor assumptions and requirements for offline, globally consistent maps. Multi-floor…

The capability to efficiently search for objects in complex environments is fundamental for many real-world robot applications. Recent advances in open-vocabulary vision models have resulted in semantically-informed object navigation…

Robotics · Computer Science 2025-03-04 Finn Lukas Busch , Timon Homberger , Jesús Ortega-Peimbert , Quantao Yang , Olov Andersson

Zero-Shot Object Goal Navigation (ZS-OGN) enables robots or agents to navigate toward objects of unseen categories without object-specific training. Traditional approaches often leverage categorical semantic information for navigation…

Robotics · Computer Science 2024-11-01 Shuaihang Yuan , Hao Huang , Yu Hao , Congcong Wen , Anthony Tzes , Yi Fang

Recent progress in large vision-language models has driven improvements in language-based semantic navigation, where an embodied agent must reach a target object described in natural language. Yet we still lack a clear, language-focused…

Object-Goal Navigation (ObjectNav) requires an agent to find and navigate to a target object category in unknown environments. While recent Large Language Model (LLM)-based agents exhibit zero-shot reasoning, they often rely on a "reactive"…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Yudai Noda , Kanji Tanaka

Recent advancements in Generative AI, particularly in Large Language Models (LLMs) and Large Vision-Language Models (LVLMs), offer new possibilities for integrating cognitive planning into robotic systems. In this work, we present a novel…

Robotics · Computer Science 2024-11-06 Arjun P S , Andrew Melnik , Gora Chand Nandi

LLM-based agents have demonstrated impressive zero-shot performance in vision-language navigation (VLN) task. However, existing LLM-based methods often focus only on solving high-level task planning by selecting nodes in predefined…

Robotics · Computer Science 2024-08-21 Jiaqi Chen , Bingqian Lin , Xinmin Liu , Lin Ma , Xiaodan Liang , Kwan-Yee K. Wong