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Related papers: Thegra: Graph-based SLAM for Thermal Imagery

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As a fundamental task for intelligent robots, visual SLAM has made great progress over the past decades. However, robust SLAM under highly weak-textured environments still remains very challenging. In this paper, we propose a novel visual…

Computer Vision and Pattern Recognition · Computer Science 2022-07-11 Qihao Peng , Zhiyu Xiang , YuanGang Fan , Tengqi Zhao , Xijun Zhao

We propose to integrate text objects in man-made scenes tightly into the visual SLAM pipeline. The key idea of our novel text-based visual SLAM is to treat each detected text as a planar feature which is rich of textures and semantic…

Computer Vision and Pattern Recognition · Computer Science 2020-05-18 Boying Li , Danping Zou , Daniele Sartori , Ling Pei , Wenxian Yu

Efficient and robust 3D scene representation is crucial in autonomous driving, robotics, and related fields. While RGB images provide valuable content for 3D reconstruction, other modalities like thermal or depth can enable additional…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Manoj Biswanath , Chenxin Cai , Hannah Schieber , Daniel Roth , Benjamin Busam

Visual SLAM (Simultaneous Localization and Mapping) based on planar features has found widespread applications in fields such as environmental structure perception and augmented reality. However, current research faces challenges in…

Robotics · Computer Science 2024-02-15 Xinggang Hu , Yanmin Wu , Mingyuan Zhao , Linghao Yang , Xiangkui Zhang , Xiangyang Ji

Unmanned aerial vehicles (UAVs) enable operations in remote and hazardous environments, yet the visible-spectrum, camera-based navigation systems often relied upon by UAVs struggle in low-visibility conditions. Thermal cameras, which…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Mia Thomas , Trevor Ablett , Jonathan Kelly

We propose a novel visual SLAM method that integrates text objects tightly by treating them as semantic features via fully exploring their geometric and semantic prior. The text object is modeled as a texture-rich planar patch whose…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Boying Li , Danping Zou , Yuan Huang , Xinghan Niu , Ling Pei , Wenxian Yu

Feature detection is a common yet time-consuming module in Simultaneous Localization and Mapping (SLAM) implementations, which are increasingly deployed on power-constrained platforms, such as drones. Graphics Processing Units (GPUs) have…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Ruiqi Ye , Mikel Luján

We present WildGS-SLAM, a robust and efficient monocular RGB SLAM system designed to handle dynamic environments by leveraging uncertainty-aware geometric mapping. Unlike traditional SLAM systems, which assume static scenes, our approach…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Jianhao Zheng , Zihan Zhu , Valentin Bieri , Marc Pollefeys , Songyou Peng , Iro Armeni

Object-level Simultaneous Localization and Mapping (SLAM), which incorporates semantic information for high-level scene understanding, faces challenges of under-constrained optimization due to sparse observations. Prior work has introduced…

Robotics · Computer Science 2025-09-29 Yang Jiao , Yiding Qiu , Henrik I. Christensen

Visual SLAM shows significant progress in recent years due to high attention from vision community but still, challenges remain for low-textured environments. Feature based visual SLAMs do not produce reliable camera and structure estimates…

Computer Vision and Pattern Recognition · Computer Science 2019-01-15 Soumyadip Maity , Arindam Saha , Brojeshwar Bhowmick

Autonomous driving relies on deriving understanding of objects and scenes through images. These images are often captured by sensors in the visible spectrum. For improved detection capabilities we propose the use of thermal sensors to…

Computer Vision and Pattern Recognition · Computer Science 2019-10-01 Kshitij Agrawal , Anbumani Subramanian

With the fast growth in the visual surveillance and security sectors, thermal infrared images have become increasingly necessary ina large variety of industrial applications. This is true even though IR sensors are still more expensive than…

Machine Learning · Computer Science 2018-12-24 Feras Almasri , Olivier Debeir

Object detection in thermal images is an important computer vision task and has many applications such as unmanned vehicles, robotics, surveillance and night vision. Deep learning based detectors have achieved major progress, which usually…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Peng Liu , Fuyu Li , Wanyi Li

Graph-based representations such as Scene Graphs enable localization in structured indoor environments by matching a locally observed graph, constructed from sensor data, to a prior map. This process is particularly challenging in…

Existing simultaneous localization and mapping (SLAM) algorithms are not robust in challenging low-texture environments because there are only few salient features. The resulting sparse or semi-dense map also conveys little information for…

Computer Vision and Pattern Recognition · Computer Science 2017-03-22 Shichao Yang , Yu Song , Michael Kaess , Sebastian Scherer

In this paper, we propose a tightly-coupled SLAM system fused with RGB, Depth, IMU and structured plane information. Traditional sparse points based SLAM systems always maintain a mass of map points to model the environment. Huge number of…

Robotics · Computer Science 2022-07-05 Danpeng Chen , Shuai Wang , Weijian Xie , Shangjin Zhai , Nan Wang , Hujun Bao , Guofeng Zhang

The assumption of scene rigidity is typical in SLAM algorithms. Such a strong assumption limits the use of most visual SLAM systems in populated real-world environments, which are the target of several relevant applications like service…

Computer Vision and Pattern Recognition · Computer Science 2018-08-16 Berta Bescos , José M. Fácil , Javier Civera , José Neira

Monocular simultaneous localization and mapping (SLAM) algorithms estimate drone poses and build a 3D map using a single camera. Current algorithms include sparse methods that lack detailed geometry, while learning-driven approaches produce…

Robotics · Computer Science 2025-11-25 Jeryes Danial , Yosi Ben Asher , Itzik Klein

Traditional SLAM algorithms are typically based on artificial features, which lack high-level information. By introducing semantic information, SLAM can own higher stability and robustness rather than purely hand-crafted features. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Xianwei Meng , Bonian Li

In this paper a low-drift monocular SLAM method is proposed targeting indoor scenarios, where monocular SLAM often fails due to the lack of textured surfaces. Our approach decouples rotation and translation estimation of the tracking…

Robotics · Computer Science 2020-08-06 Yanyan Li , Nikolas Brasch , Yida Wang , Nassir Navab , Federico Tombari