Flight Test of a Radar-Based Tracking System for UAS Sense and Avoid

Accardo, Domenico; Fasano, Giancarmine; Forlenza, Lidia; Moccia, Antonio; Rispoli, Attilio

doi:10.1109/taes.2013.6494404

Cited by 60 publications

(51 citation statements)

References 16 publications

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“…Various methodologies have been used to develop "sense & avoid" technologies including machine vision (Lai et al, 2011) and radar based methods (Accardo et al, 2013). However, most of these researches have not focused on VTOL UAS and also flight altitude, meteorological and illumination conditions and UAS model as well as the automation level has found to play an important role that require further research (Fasano et al, 2014;Prats et al, 2012).…”

Section: Technologicalmentioning

confidence: 99%

Parcel Delivery in an Urban Environment Using Unmanned Aerial Systems: A Vision Paper

Anbaroğlu

2017

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci.

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ABSTRACT:This vision paper addresses the challenges and explores the avenue of solutions regarding the use of Unmanned Aerial Systems (UAS) for transporting parcels in urban areas. We have already witnessed companies' delivering parcels using UAS in rural areas, but the challenge of utilizing them for an urban environment is eminent. Nevertheless, the increasing research on the various aspects of UAS, including their battery life, resistance to harsh weather conditions and sensing its environment foresee their common usage in the logistics industry, especially in an urban environment. In addition, the increasing trend on 3D city modelling offer new directions regarding realistic as well as light 3D city models that are easy to modify and distribute. Utilizing UAS for transporting parcels in an urban environment would be a disruptive technological achievement as our roads will be less congested which would lead to less air pollution as well as wasted money and time. In addition, parcels could potentially be delivered much faster. This paper argues, with the support of the state-of-the-art research, that UASs will be used for transporting parcels in an urban environment in the coming decades.

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Section: Technologicalmentioning

confidence: 99%

Parcel Delivery in an Urban Environment Using Unmanned Aerial Systems: A Vision Paper

Anbaroğlu

2017

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci.

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“…One of the best current SAA solutions is introduced in [8]. There, the system uses information from RADAR as well as from electrooptical EO sensor.…”

Section: A Vision Based Sense-and-avoid Systemmentioning

confidence: 99%

Distant aircraft detection in sense-and-avoid on kilo-processor architectures

Zsedrovits

Zarándy

Pencz

et al. 2015

2015 European Conference on Circuit Theory and Design (ECCTD)

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Abstract-In this paper an algorithm for distant aircraft detection for visual sense-and-avoid for UAV is presented. The algorithm uses local edge density to partition the frame into two types of regions. The first type is the unstructured or homogeneous part like sky region and the second part where there is a structured background, like high contrast clouds or terrain regions. The airplanes are detected on the two types of regions with different strategies. The algorithm was planned to run in an embedded environment with low power consumption, thus it can be run onboard of a small or mid-size UAV. First steps towards the GPU implementation on the nVidia Jeston TK1 development board are done and also presented in the paper.

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“…In many UAS, autopilot systems that guarantee a high level of flight automation are embedded. Moreover, the last generation of drones has often a collision avoidance system, thus guarantying a minimum safety distance between the investigated object and the flying platform during the survey (Accardo et al, 2013). The * Corresponding author use of such systems coupled with fisheye lenses is very interesting in case of surveying of buildings and infrastructures.…”

Section: Introductionmentioning

confidence: 99%

Use of Fisheye Parrot Bebop 2 Images for 3d Modelling Using Commercial Photogrammetric Software

Pagliari

Pinto

2018

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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ABSTRACT:Fisheye camera installed on-board mass market UAS are becoming very popular and it is more and more frequent the use of such platforms for photogrammetric purposes. The interest of wide-angles images for 3D modelling is confirmed by the introduction of fisheye models in several commercial software packages. The paper exploits the different mathematical models implemented in the most famous commercial photogrammetric software packages, highlighting the different processing pipelines and analysing the achievable results in terms of checkpoint residuals, as well as the quality of the delivered 3D point clouds. A two-step approach based on the creation of undistorted images has been tested too. An experimental test has been carried out using a Parrot Bebop 2 UAS by performing a flight over an historical complex located near Piacenza (Northern Italy), which is characterized by the simultaneous presence of horizontal, vertical and oblique surfaces. Different flight configurations have been tested to evaluate the potentiality and possible drawbacks of the previously mentioned UAS platform. Results confirmed that the fisheye images acquired with the Parrot Bebop 2 are suitable for 3D modelling, ensuring accuracies of the photogrammetric blocks of the order of the GSD (about 0.05 m normal to the optic axis in case of a flight height equal to 35 m). The generated point clouds have been compared to a reference scan, acquired by means of a MS60 MultiStation, resulting in differences below 0.05 in all directions.

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Flight Test of a Radar-Based Tracking System for UAS Sense and Avoid

Cited by 60 publications

References 16 publications

Parcel Delivery in an Urban Environment Using Unmanned Aerial Systems: A Vision Paper

Parcel Delivery in an Urban Environment Using Unmanned Aerial Systems: A Vision Paper

Distant aircraft detection in sense-and-avoid on kilo-processor architectures

Use of Fisheye Parrot Bebop 2 Images for 3d Modelling Using Commercial Photogrammetric Software

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