Multi-Variant Accuracy Evaluation of UAV Imaging Surveys: A Case Study on Investment Area.

ABSTRACT: The main focus of the presented study is a multi-variant accuracy assessment of a photogrammetric 2D and 3D data collection, whose accuracy meets the appropriate technical requirements, based on the block of 858 digital images (4.6 cm ground sample distance) acquired by Trimble® UX5 unmanned aircraft system equipped with Sony NEX-5T compact system camera. All 1418 well-defined ground control and check points were a posteriori measured applying Global Navigation Satellite Systems (GNSS) using the real-time network method. High accuracy of photogrammetric products was obtained by the computations performed according to the proposed methodology, which assumes multi-variant images processing and extended error analysis. The detection of blurred images was preprocessed applying Laplacian operat

SUBMITTER: Gabara G 

PROVIDER: S-EPMC6929115 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature