3D Positioning of Drones through Images

Author:

Yang Jianxing1ORCID,Zheng Enhui1ORCID,Fan Jiqi1ORCID,Yao Yuwen1ORCID

Affiliation:

1. School of Mechanical and Electrical Engineering, China Jiliang University, Hangzhou 310018, China

Abstract

Drones traditionally rely on satellite signals for positioning and altitude. However, when in a special denial environment, satellite communication is interrupted, and the traditional positioning and height determination methods face challenges. We made a dataset at the height of 80–200 m and proposed a multi-scale input network. The positioning index RDS achieved 76.3 points, and the positioning accuracy within 20 m was 81.7%. This paper proposes a method to judge the height by image alone, without the support of other sensor data. One height judgment can be made per single image. Based on the UAV image–satellite image matching positioning technology, by calculating the actual area represented by the UAV image in real space, combined with the fixed parameters of the optical camera, the actual height of the UAV flight is calculated, which is 80–200 m, and the relative error rate of height is 18.1%.

Publisher

MDPI AG

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