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Legged robots are popular candidates for missions in challenging terrains due to the wide variety of locomotion strategies they can employ. Terrain classification is a key enabling technology for autonomous legged robots, as it allows the…

机器人学 · 计算机科学 2020-11-25 Ahmadreza Ahmadi , Tønnes Nygaard , Navinda Kottege , David Howard , Nicolas Hudson

Autonomous driving has achieved rapid development over the last few decades, including the machine perception as an important issue of it. Although object detection based on conventional cameras has achieved remarkable results in 2D/3D,…

机器人学 · 计算机科学 2021-07-20 Rui Yang , Zhi Yan , Tao Yang , Yassine Ruichek

Place recognition is a challenging problem in mobile robotics, especially in unstructured environments or under viewpoint and illumination changes. Most LiDAR-based methods rely on geometrical features to overcome such challenges, as…

机器人学 · 计算机科学 2018-12-03 Jiadong Guo , Paulo V. K. Borges , Chanoh Park , Abel Gawel

Large datasets of sub-meter aerial imagery represented as orthophoto mosaics are widely available today, and these data sets may hold a great deal of untapped information. This imagery has a potential to locate several types of features;…

图像与视频处理 · 电气工程与系统科学 2019-05-03 Nagesh Kumar Uba

Reliable large-scale data on the state of forests is crucial for monitoring ecosystem health, carbon stock, and the impact of climate change. Current knowledge of tree species distribution relies heavily on manual data collection in the…

计算机视觉与模式识别 · 计算机科学 2024-12-09 Hongjin Lin , Matthew Nazari , Derek Zheng

Reliable connectivity in millimeter-wave (mmWave) and sub-terahertz (sub-THz) networks depends on reflections from surrounding surfaces, as high-frequency signals are highly vulnerable to blockage. The scattering behavior of a surface is…

This paper presents a novel indoor layout estimation system based on the fusion of 2D LiDAR and intensity camera data. A ground robot explores an indoor space with a single floor and vertical walls, and collects a sequence of intensity…

计算机视觉与模式识别 · 计算机科学 2022-04-26 Jieyu Li , Robert Stevenson

Localization is a key challenge in many robotics applications. In this work we explore LIDAR-based global localization in both urban and natural environments and develop a method suitable for online application. Our approach leverages…

机器人学 · 计算机科学 2023-02-01 Georgi Tinchev , Adrian Penate-Sanchez , Maurice Fallon

Simultaneous Localization And Mapping (SLAM) is a task to estimate the robot location and to reconstruct the environment based on observation from sensors such as LIght Detection And Ranging (LiDAR) and camera. It is widely used in robotic…

机器人学 · 计算机科学 2021-02-18 Han Wang , Chen Wang , Lihua Xie

Higher level functionality in autonomous driving depends strongly on a precise motion estimate of the vehicle. Powerful algorithms have been developed. However, their great majority focuses on either binocular imagery or pure LIDAR…

机器人学 · 计算机科学 2018-07-20 Johannes Graeter , Alexander Wilczynski , Martin Lauer

We present Multi-Layer Intensity Map, a novel 3D object representation for robot perception and autonomous navigation. Intensity maps consist of multiple stacked layers of 2D grid maps each derived from reflected point cloud intensities…

机器人学 · 计算机科学 2023-09-29 Adarsh Jagan Sathyamoorthy , Kasun Weerakoon , Mohamed Elnoor , Dinesh Manocha

In this paper, an approach is proposed to fuse LiDAR and hyperspectral data, which considers both spectral and spatial information in a single framework. Here, an extended self-dual attribute profile (ESDAP) is investigated to extract…

计算机视觉与模式识别 · 计算机科学 2017-07-11 Pedram Ghamisi , Gabriele Cavallaro , Dan , Wu , Jon Atli Benediktsson , Antonio Plaza

LiDAR (Light Detection and Ranging) has become an essential part of the remote sensing toolbox used for biosphere monitoring. In particular, LiDAR provides the opportunity to map forest leaf area with unprecedented accuracy, while leaf area…

计算机视觉与模式识别 · 计算机科学 2024-01-11 Yuchen Bai , Jean-Baptiste Durand , Grégoire Vincent , Florence Forbes

Because 3D structure of a roadway environment can be characterized directly by a Light Detection and Ranging (LiDAR) sensors, they can be used to obtain exceptional situational awareness for assitive and autonomous driving systems. Although…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Ghazal Farhani , Taufiq Rahman , Syed Mostaquim Ali , Andrew Liu , Mohamed Zaki , Dominique Charlebois , Benoit Anctil

In this paper, we developed the solution of roadside LiDAR object detection using a combination of two unsupervised learning algorithms. The 3D point clouds are firstly converted into spherical coordinates and filled into the…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Tianya Zhang , Peter J. Jin

Despite rapid developments in visual image-based road detection, robustly identifying road areas in visual images remains challenging due to issues like illumination changes and blurry images. To this end, LiDAR sensor data can be…

计算机视觉与模式识别 · 计算机科学 2019-05-17 Zhe Chen , Jing Zhang , Dacheng Tao

Lidar technology has evolved significantly over the last decade, with higher resolution, better accuracy, and lower cost devices available today. In addition, new scanning modalities and novel sensor technologies have emerged in recent…

机器人学 · 计算机科学 2022-03-08 Qingqing Li , Xianjia Yu , Jorge Peña Queralta , Tomi Westerlund

In the efforts for safer roads, ensuring adequate vertical clearance above roadways is of great importance. Frequently, trees or other vegetation is growing above the roads, blocking the sight of traffic signs and lights and posing danger…

计算机视觉与模式识别 · 计算机科学 2024-02-29 Miriam Louise Carnot , Eric Peukert , Bogdan Franczyk

The collection of ecological data in the field is essential to diagnose, monitor and manage ecosystems in a sustainable way. Since acquisition of this information through traditional methods are generally time-consuming, due to the…

计算机视觉与模式识别 · 计算机科学 2024-01-12 Ion Ciobotari , Adriana Príncipe , Maria Alexandra Oliveira , João Nuno Silva

LiDAR provides highly accurate 3D point clouds. However, data needs to be manually labelled in order to provide subsequent useful information. Manual annotation of such data is time consuming, tedious and error prone, and hence in this…

计算机视觉与模式识别 · 计算机科学 2020-06-11 Ananya Gupta , Jonathan Byrne , David Moloney , Simon Watson , Hujun Yin