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In this paper we present an autonomous system for acquiring close-range high-resolution images that maximize the quality of a later-on 3D reconstruction with respect to coverage, ground resolution and 3D uncertainty. In contrast to previous…

Computer Vision and Pattern Recognition · Computer Science 2016-05-09 Christian Mostegel , Markus Rumpler , Friedrich Fraundorfer , Horst Bischof

In this paper, we consider a new unmanned aerial vehicle (UAV)-assisted oblique image acquisition system where a UAV is dispatched to take images of multiple ground targets (GTs). To study the three-dimensional (3D) UAV trajectory design…

Multimedia · Computer Science 2022-12-27 Xiao-Wei Tang , Shuowen Zhang , Changsheng You , Xin-Lin Huang , Rui Zhang

Traditionally, unmanned aerial vehicles (UAVs) rely on CMOS-based cameras to collect images about the world below. One of the most successful applications of UAVs is to generate orthomosaics or orthomaps, in which a series of images are…

Robotics · Computer Science 2024-09-27 Fernando Cladera , Kenneth Chaney , M. Ani Hsieh , Camillo J. Taylor , Vijay Kumar

Unmanned aerial vehicles (UAVs) with mounted cameras have the advantage of capturing aerial (bird-view) images. The availability of aerial visual data and the recent advances in object detection algorithms led the computer vision community…

Computer Vision and Pattern Recognition · Computer Science 2020-02-04 Ilker Bozcan , Erdal Kayacan

We present a novel control strategy for a team of unmanned aerial vehicles (UAVs) to autonomously achieve a desired formation using only visual feedback provided by the UAV's onboard cameras. This effectively eliminates the need for global…

Robotics · Computer Science 2018-09-05 Kaveh Fathian , Emily Doucette , J. Willard Curtis , Nicholas R. Gans

This work investigates the application of Unmanned Aerial Vehicle (UAV) technology for measurement of rock fragmentation without placement of scale objects in the scene to determine image scale. Commonly practiced image-based rock…

Robotics · Computer Science 2017-07-27 Thomas Bamford , Kamran Esmaeili , Angela P. Schoellig

Dangerous surroundings and difficult-to-reach landscapes introduce significant complications for adequate disaster management and recuperation. These problems can be solved by engaging unmanned aerial vehicles (UAVs) provided with embedded…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Branislava Jankovic , Sabina Jangirova , Waseem Ullah , Latif U. Khan , Mohsen Guizani

Unmanned aerial vehicles (UAVs) are widely used platforms to carry data capturing sensors for various applications. The reason for this success can be found in many aspects: the high maneuverability of the UAVs, the capability of performing…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Mehdi Maboudi , MohammadReza Homaei , Soohwan Song , Shirin Malihi , Mohammad Saadatseresht , Markus Gerke

With the advantage of high mobility, Unmanned Aerial Vehicles (UAVs) are used to fuel numerous important applications in computer vision, delivering more efficiency and convenience than surveillance cameras with fixed camera angle, scale…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Dawei Du , Yuankai Qi , Hongyang Yu , Yifan Yang , Kaiwen Duan , Guorong Li , Weigang Zhang , Qingming Huang , Qi Tian

This paper presents a framework for the localization of Unmanned Aerial Vehicles (UAVs) in unstructured environments with the help of deep learning. A real-time rendering engine is introduced that generates optical and depth images given a…

Computer Vision and Pattern Recognition · Computer Science 2020-08-12 Timo Hinzmann , Roland Siegwart

Unmanned aerial vehicles (UAVs) equipped with multiple complementary sensors have tremendous potential for fast autonomous or remote-controlled semantic scene analysis, e.g., for disaster examination. In this work, we propose a UAV system…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Simon Bultmann , Jan Quenzel , Sven Behnke

In this paper we propose a novel approach to generate a synthetic aerial dataset for application in UAV monitoring. We propose to accentuate shape-based object representation by applying texture randomization. A diverse dataset with…

Computer Vision and Pattern Recognition · Computer Science 2022-03-09 Antonella Barisic , Frano Petric , Stjepan Bogdan

Unmanned Aerial Vehicle (UAV) based remote sensing system incorporated with computer vision has demonstrated potential for assisting building construction and in disaster management like damage assessment during earthquakes. The…

This work proposes a novel motion guided method for target-less self-calibration of a LiDAR and camera and use the re-projection of LiDAR points onto the image reference frame for real-time depth upsampling. The calibration parameters are…

Computer Vision and Pattern Recognition · Computer Science 2020-07-06 Juan Castorena , Gint Puskorius , Gaurav Pandey

The acquisition of high-resolution retinal fundus images with a large field of view (FOV) is challenging due to technological, physiological and economic reasons. This paper proposes a fully automatic framework to reconstruct retinal images…

Computer Vision and Pattern Recognition · Computer Science 2016-02-11 Thomas Köhler , Axel Heinrich , Andreas Maier , Joachim Hornegger , Ralf P. Tornow

Single visual object tracking from an unmanned aerial vehicle (UAV) poses fundamental challenges such as object occlusion, small-scale objects, background clutter, and abrupt camera motion. To tackle these difficulties, we propose to…

Computer Vision and Pattern Recognition · Computer Science 2022-02-28 Stéphane Vujasinović , Stefan Becker , Timo Breuer , Sebastian Bullinger , Norbert Scherer-Negenborn , Michael Arens

Recently, UAVs endowed with high mobility, low cost, and remote control have promoted the development of UAV-assisted real-time video/image acquisition applications, which have a high demand for both transmission rate and image resolution.…

Multimedia · Computer Science 2022-10-11 Tang Xiao-Wei , Huang Xin-Lin Huang

This letter describes a method for autonomous aerial cinematography with distributed lighting by a team of unmanned aerial vehicles (UAVs). Although camera-carrying multi-rotor helicopters have become commonplace in cinematography, their…

There are two challenges presented in parsing road scenes from UAV images: the complexity of processing high-resolution images and the dependency on extensive manual annotations required by traditional supervised deep learning methods to…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Zihan Ma , Yongshang Li , Ronggui Ma , Chen Liang

We present a robust markerless image based visual servoing method that enables precision robot control without hand-eye and camera calibrations in 1, 3, and 5 degrees-of-freedom. The system uses two cameras for observing the workspace and a…

Robotics · Computer Science 2023-04-18 Yifan Yin , Yutai Wang , Yunpu Zhang , Russell H. Taylor , Balazs P. Vagvolgyi