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We present a new dataset, dedicated to the development of simultaneous localization and mapping methods for underwater vehicles navigating close to the seabed. The data sequences composing this dataset are recorded in three different…

Computer Vision and Pattern Recognition · Computer Science 2019-11-01 Maxime Ferrera , Vincent Creuze , Julien Moras , Pauline Trouvé-Peloux

The capabilities of autonomous flight with unmanned aerial vehicles (UAVs) have significantly increased in recent times. However, basic problems such as fast and robust geo-localization in GPS-denied environments still remain unsolved.…

Robotics · Computer Science 2021-08-10 Shuxiao Chen , Xiangyu Wu , Mark W. Mueller , Koushil Sreenath

We examine the challenge of estimating the location of a single ground-level image in the absence of GPS or other location metadata. Currently, geolocation systems are evaluated by measuring the Great Circle Distance between the predicted…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Michael J. Bianco , David Eigen , Michael Gormish

Rather than having each newly deployed robot create its own map of its surroundings, the growing availability of SLAM-enabled devices provides the option of simply localizing in a map of another robot or device. In cases such as multi-robot…

Robotics · Computer Science 2024-08-07 Matthew Hanlon , Boyang Sun , Marc Pollefeys , Hermann Blum

Global variations in terrain appearance raise a major challenge for satellite image analysis, leading to poor model performance when training on locations that differ from those encountered at test time. This remains true even with recent…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Abhishek Kuriyal , Elliot Vincent , Mathieu Aubry , Loic Landrieu

We propose a methodology for robust, real-time place recognition using an imaging lidar, which yields image-quality high-resolution 3D point clouds. Utilizing the intensity readings of an imaging lidar, we project the point cloud and obtain…

Computer Vision and Pattern Recognition · Computer Science 2021-04-23 Tixiao Shan , Brendan Englot , Fabio Duarte , Carlo Ratti , Daniela Rus

Super-resolution is aimed at reconstructing high-resolution images from low-resolution observations. State-of-the-art approaches underpinned with deep learning allow for obtaining outstanding results, generating images of high perceptual…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Maciej Ziaja , Pawel Kowaleczko , Daniel Kostrzewa , Nicolas Longépé , Michal Kawulok

We present LoD-Loc v3, a novel method for generalized aerial visual localization in dense urban environments. While prior work LoD-Loc v2 achieves localization through semantic building silhouette alignment with low-detail city models, it…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Shuaibang Peng , Juelin Zhu , Xia Li , Kun Yang , Maojun Zhang , Yu Liu , Shen Yan

In this work, an existing deep neural network approach for determining a robot's pose from visual information (RGB images) is modified, improving its localization performance without impacting its ease of training. Explicitly, the network's…

Robotics · Computer Science 2025-09-18 Isaac Ronald Ward

Camera pose estimation in known scenes is a 3D geometry task recently tackled by multiple learning algorithms. Many regress precise geometric quantities, like poses or 3D points, from an input image. This either fails to generalize to new…

Pose estimation is essential for robotic manipulation, particularly when visual perception is occluded during gripper-object interactions. Existing tactile-based methods generally rely on tactile simulation or pre-trained models, which…

Robotics · Computer Science 2026-03-12 Zirui Zhang , Boyang Zhang , Fumin Zhang , Huan Yin

The use of Deep Learning (DL) algorithms has improved the performance of vision-based space applications in recent years. However, generating large amounts of annotated data for training these DL algorithms has proven challenging. While…

Global Navigation Satellite Systems typically perform poorly in urban environments, where the likelihood of line-of-sight conditions between devices and satellites is low. Therefore, alternative location methods are required to achieve good…

Machine Learning · Computer Science 2023-04-11 Çağkan Yapar , Ron Levie , Gitta Kutyniok , Giuseppe Caire

A fully automated and continuous calibration framework for All-Sky Imagers (ASIs) that significantly enhances the spatial accuracy and reliability of geo-referenced ASI data is presented. The technique addresses a critical bottleneck in ASI…

Boulders form from a variety of geological processes, which their size, shape, and orientation may help us better understand. Furthermore, they represent potential hazards to spacecraft landing that need to be characterized. However,…

Regularized Maximum Likelihood (RML) techniques are a class of image synthesis methods that achieve better angular resolution and image fidelity than traditional methods like CLEAN for sub-mm interferometric observations. To identify best…

In this paper we address the challenge of land cover classification for satellite images via Deep Learning (DL). Land Cover aims to detect the physical characteristics of the territory and estimate the percentage of land occupied by a…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Eleonora Bernasconi , Francesco Pugliese , Diego Zardetto , Monica Scannapieco

Ground-based telescopes coupled with adaptive optics (AO) have been playing a leading role in exoplanet direct imaging science and technological development for the past two decades and will continue to have an indispensable role for the…

Semantic localization (SeLo) refers to the task of obtaining the most relevant locations in large-scale remote sensing (RS) images using semantic information such as text. As an emerging task based on cross-modal retrieval, SeLo achieves…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Zhiqiang Yuan , Wenkai Zhang , Chongyang Li , Zhaoying Pan , Yongqiang Mao , Jialiang Chen , Shouke Li , Hongqi Wang , Xian Sun

Robust and accurate localization for Unmanned Aerial Vehicles (UAVs) is an essential capability to achieve autonomous, long-range flights. Current methods either rely heavily on GNSS, face limitations in visual-based localization due to…

Robotics · Computer Science 2023-10-26 Yao He , Ivan Cisneros , Nikhil Keetha , Jay Patrikar , Zelin Ye , Ian Higgins , Yaoyu Hu , Parv Kapoor , Sebastian Scherer