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We present a novel monocular localization framework by jointly training deep learning-based depth prediction and Bayesian filtering-based pose reasoning. The proposed cross-modal framework significantly outperforms deep learning-only…

Computer Vision and Pattern Recognition · Computer Science 2022-10-28 Priyesh Shukla , Sureshkumar S. , Alex C. Stutts , Sathya Ravi , Theja Tulabandhula , Amit R. Trivedi

Monocular vision-based Simultaneous Localization and Mapping (SLAM) is used for various purposes due to its advantages in cost, simple setup, as well as availability in the environments where navigation with satellites is not effective.…

Robotics · Computer Science 2018-10-03 Young-Hee Lee , Chen Zhu , Gabriele Giorgi , Christoph Günther

Household environments are visually diverse. Embodied agents performing Vision-and-Language Navigation (VLN) in the wild must be able to handle this diversity, while also following arbitrary language instructions. Recently, Vision-Language…

Computer Vision and Pattern Recognition · Computer Science 2022-12-01 Vishnu Sashank Dorbala , Gunnar Sigurdsson , Robinson Piramuthu , Jesse Thomason , Gaurav S. Sukhatme

Although learning-based vision-and-language navigation (VLN) agents can learn spatial knowledge implicitly from large-scale training data, zero-shot VLN agents lack this process, relying primarily on local observations for navigation, which…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Jiwen Zhang , Zejun Li , Siyuan Wang , Xiangyu Shi , Zhongyu Wei , Qi Wu

Visual perception plays an important role in autonomous driving. One of the primary tasks is object detection and identification. Since the vision sensor is rich in color and texture information, it can quickly and accurately identify…

Computer Vision and Pattern Recognition · Computer Science 2022-12-23 Fei Liu , Zihao Lu , Xianke Lin

This paper presents a robust monocular visual SLAM system that simultaneously utilizes point, line, and vanishing point features for accurate camera pose estimation and mapping. To address the critical challenge of achieving reliable…

Robotics · Computer Science 2025-03-13 Bingzheng Jiang , Jiayuan Wang , Han Ding , Lijun Zhu

Accurate localization is fundamental to a variety of applications, such as navigation, robotics, autonomous driving, and Augmented Reality (AR). Different from incremental localization, global localization has no drift caused by error…

Robotics · Computer Science 2021-03-30 Kejie Qiu , Shenzhou Chen , Jiahui Zhang , Rui Huang , Le Cui , Siyu Zhu , Ping Tan

We introduce an innovative approach to advancing semantic understanding in zero-shot object goal navigation (ZS-OGN), enhancing the autonomy of robots in unfamiliar environments. Traditional reliance on labeled data has been a limitation…

Robotics · Computer Science 2024-10-30 Halil Utku Unlu , Shuaihang Yuan , Congcong Wen , Hao Huang , Anthony Tzes , Yi Fang

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

Scene graphs are becoming a standard representation for robot navigation, providing hierarchical geometric and semantic scene understanding. However, most scene graph mapping methods rely on depth cameras or LiDAR sensors. In this work, we…

Robotics · Computer Science 2026-05-14 Christina Kassab , Hyeonjae Gil , Matías Mattamala , Ayoung Kim , Maurice Fallon

Robust humanoid locomotion requires accurate and globally consistent perception of the surrounding 3D environment. However, existing perception modules, mainly based on depth images or elevation maps, offer only partial and locally…

Robotics · Computer Science 2025-11-19 Qingwei Ben , Botian Xu , Kailin Li , Feiyu Jia , Wentao Zhang , Jingping Wang , Jingbo Wang , Dahua Lin , Jiangmiao Pang

The deployment of autonomous service robots in human-centric environments is hindered by a critical gap in perception and planning. Traditional navigation systems rely on expensive LiDARs that, while geometrically precise, are semantically…

Robotics · Computer Science 2025-11-11 Praveen Kumar , Tushar Sandhan

Depth estimation plays a pivotal role in advancing human-robot interactions, especially in indoor environments where accurate 3D scene reconstruction is essential for tasks like navigation and object handling. Monocular depth estimation,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Siddiqui Muhammad Yasir , Hyunsik Ahn

Recent advances in deep learning for edge detection and segmentation opens up a new path for semantic-edge-based ego-motion estimation. In this work, we propose a robust monocular visual odometry (VO) framework using category-aware semantic…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Xiaolong Wu , Assia Benbihi , Antoine Richard , Cedric Pradalier

Zero-shot object navigation in unknown environments presents significant challenges, mainly due to two key limitations: insufficient semantic guidance leads to inefficient exploration, while limited spatial memory resulting from…

Robotics · Computer Science 2025-09-30 Xiangyi Meng , Delun Li , Zihao Mao , Yi Yang , Wenjie Song

Automated road sign recognition is a critical task for intelligent transportation systems, but traditional deep learning methods struggle with the sheer number of sign classes and the impracticality of creating exhaustive labeled datasets.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Minghao Zhu , Zhihao Zhang , Anmol Sidhu , Keith Redmill

Zero-shot scene understanding in real-world settings presents major challenges due to the complexity and variability of natural scenes, where models must recognize new objects, actions, and contexts without prior labeled examples. This work…

Computer Vision and Pattern Recognition · Computer Science 2025-10-30 Manjunath Prasad Holenarasipura Rajiv , B. M. Vidyavathi

In this paper, we propose a training-free framework for vision-and-language navigation (VLN). Existing zero-shot VLN methods are mainly designed for discrete environments or involve unsupervised training in continuous simulator…

Robotics · Computer Science 2025-09-15 Hang Yin , Haoyu Wei , Xiuwei Xu , Wenxuan Guo , Jie Zhou , Jiwen Lu

Current audio-visual large language models (AV-LLMs) are predominantly restricted to 2D perception, relying on RGB video and monaural audio. This design choice introduces a fundamental dimensionality mismatch that precludes reliable source…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Zhan Liu , Changli Tang , Yuxin Wang , Zhiyuan Zhu , Youjun Chen , Yiwen Shao , Tianzi Wang , Lei Ke , Zengrui Jin , Chao Zhang

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