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This paper proposes a spatiotemporal architecture with a deep neural network (DNN) for road surface conditions and types classification using LiDAR. It is known that LiDAR provides information on the reflectivity and number of point clouds…

图像与视频处理 · 电气工程与系统科学 2023-08-14 Ju Won Seo , Jin Sung Kim , Chung Choo Chung

We propose to use deep convolutional neural networks to address the problem of cross-view image geolocalization, in which the geolocation of a ground-level query image is estimated by matching to georeferenced aerial images. We use…

计算机视觉与模式识别 · 计算机科学 2015-10-14 Scott Workman , Richard Souvenir , Nathan Jacobs

In this work, we present LocGAN, our localization approach based on a geo-referenced aerial imagery and LiDAR grid maps. Currently, most self-localization approaches relate the current sensor observations to a map generated from previously…

计算机视觉与模式识别 · 计算机科学 2019-07-17 Haohao Hu , Junyi Zhu , Sascha Wirges , Martin Lauer

Differentiable solvers for the linear assignment problem (LAP) have attracted much research attention in recent years, which are usually embedded into learning frameworks as components. However, previous algorithms, with or without learning…

机器学习 · 计算机科学 2022-01-07 He Liu , Tao Wang , Congyan Lang , Songhe Feng , Yi Jin , Yidong Li

Automotive radar has increasingly attracted attention due to growing interest in autonomous driving technologies. Acquiring situational awareness using multimodal data collected at high sampling rates by various sensing devices including…

计算机视觉与模式识别 · 计算机科学 2023-02-22 Madhumitha Sakthi , Ahmed Tewfik , Marius Arvinte , Haris Vikalo

Uniform and variable environments still remain a challenge for stable visual localization and mapping in mobile robot navigation. One of the possible approaches suitable for such environments is appearance-based teach-and-repeat navigation,…

机器人学 · 计算机科学 2025-03-18 Václav Truhlařík , Tomáš Pivoňka , Michal Kasarda , Libor Přeučil

We learn, in an unsupervised way, an embedding from sequences of radar images that is suitable for solving place recognition problem using complex radar data. We experiment on 280 km of data and show performance exceeding state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2021-06-15 Matthew Gadd , Daniele De Martini , Paul Newman

We present a Deep Learning based system for the twin tasks of localization and obstacle avoidance essential to any mobile robot. Our system learns from conventional geometric SLAM, and outputs, using a single camera, the topological pose of…

计算机视觉与模式识别 · 计算机科学 2019-02-07 Punarjay Chakravarty , Praveen Narayanan , Tom Roussel

Dynamic Occupancy Grid Mapping is a technique used to generate a local map of the environment containing both static and dynamic information. Typically, these maps are primarily generated using lidar measurements. However, with improvements…

机器人学 · 计算机科学 2024-05-24 Max Peter Ronecker , Markus Schratter , Lukas Kuschnig , Daniel Watzenig

Unmanned vehicles usually rely on Global Positioning System (GPS) and Light Detection and Ranging (LiDAR) sensors to achieve high-precision localization results for navigation purpose. However, this combination with their associated costs…

机器人学 · 计算机科学 2024-07-15 Jinhao He , Huaiyang Huang , Shuyang Zhang , Jianhao Jiao , Chengju Liu , Ming Liu

With the ability of providing direct and accurate enough range measurements, light detection and ranging (LiDAR) is playing an essential role in localization and detection for autonomous vehicles. Since single LiDAR suffers from hardware…

机器人学 · 计算机科学 2022-01-14 Yusheng Wang , Yidong Lou , Weiwei Song , Huan Yu , Zhiyong Tu

We propose a novel approach for instance-level image retrieval. It produces a global and compact fixed-length representation for each image by aggregating many region-wise descriptors. In contrast to previous works employing pre-trained…

计算机视觉与模式识别 · 计算机科学 2016-07-29 Albert Gordo , Jon Almazan , Jerome Revaud , Diane Larlus

LiDAR-based place recognition (LPR) plays a pivotal role in autonomous driving, which assists Simultaneous Localization and Mapping (SLAM) systems in reducing accumulated errors and achieving reliable localization. However, existing reviews…

机器人学 · 计算机科学 2024-12-09 Yongjun Zhang , Pengcheng Shi , Jiayuan Li

In this paper, an automatic labelling process is presented for automotive datasets, leveraging on complementary information from LiDAR and camera. The generated labels are then used as ground truth with the corresponding 4D radar data as…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Botao Sun , Ignacio Roldan , Francesco Fioranelli

Robots and autonomous systems need to know where they are within a map to navigate effectively. Thus, simultaneous localization and mapping or SLAM is a common building block of robot navigation systems. When building a map via a SLAM…

机器人学 · 计算机科学 2021-03-18 Luca Di Giammarino , Irvin Aloise , Cyrill Stachniss , Giorgio Grisetti

Global localization plays a critical role in many robot applications. LiDAR-based global localization draws the community's focus with its robustness against illumination and seasonal changes. To further improve the localization under large…

机器人学 · 计算机科学 2022-10-13 Xuecheng Xu , Sha Lu , Jun Wu , Haojian Lu , Qiuguo Zhu , Yiyi Liao , Rong Xiong , Yue Wang

Object detection using automotive radars has not been explored with deep learning models in comparison to the camera based approaches. This can be attributed to the lack of public radar datasets. In this paper, we collect a novel radar…

计算机视觉与模式识别 · 计算机科学 2021-05-04 Ao Zhang , Farzan Erlik Nowruzi , Robert Laganiere

This paper addresses the land cover classification task for remote sensing images by deep self-taught learning. Our self-taught learning approach learns suitable feature representations of the input data using sparse representation and…

计算机视觉与模式识别 · 计算机科学 2017-12-21 Anika Bettge , Ribana Roscher , Susanne Wenzel

Human detection and tracking is an essential task for service robots, where the combined use of multiple sensors has potential advantages that are yet to be exploited. In this paper, we introduce a framework allowing a robot to learn a new…

机器人学 · 计算机科学 2018-08-01 Zhi Yan , Li Sun , Tom Duckett , Nicola Bellotto

We present a novel approach to geolocalising panoramic images on a 2-D cartographic map based on learning a low dimensional embedded space, which allows a comparison between an image captured at a location and local neighbourhoods of the…

计算机视觉与模式识别 · 计算机科学 2020-07-22 Noe Samano , Mengjie Zhou , Andrew Calway