Ground Truth for Evaluating 3D Reconstruction of Jet Engines

Bachelor thesis (2021)

Authors

D.L. Lieuw A Soe Electrical Engineering, Mathematics and Computer Science

Contributors

J.C. van Gemert (mentor)

B. Yildiz (graduation committee member)

Faculty

Electrical Engineering, Mathematics and Computer Science, Electrical Engineering, Mathematics and Computer Science

Ground truth 3D reconstruction Quantitative evaluation Feature annotation

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Published Date

28-06-2021

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Abstract

With 3D reconstruction from borescope videos of jet engines, inspections can be made more efficient. Being able to reconstruct 3D models of the jet engines potentially contributes to making the inspections autonomous. Methods that will be used for this reconstruction require to be evaluated to ensure the accuracy of the 3D models that they create. Therefore, this study investigates how a 3D reconstruction method can be quantitatively evaluated using ground truth. From the results can be concluded that 3D models that represent ground truth data can be generated using a combination of manual and algorithmic feature matching between the frames of borescope videos. Furthermore, the Wasserstein distance is found to potentially be a viable measure for quantifying the comparison between 3D models, which is needed for assessment.

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