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Title: Software comparison for underwater archaeological photogrammetric applications
Authors: Vlachos, Marinos 
Berger, L. 
Mathelier, R. 
Agrafiotis, Panagiotis 
Skarlatos, Dimitrios 
Major Field of Science: Engineering and Technology
Field Category: Civil Engineering
Keywords: SfM MVS;Underwater 3D Reconstruction;Underwater Photogrammetry
Issue Date: 19-Aug-2019
Source: International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives, 2019, vol. 42, no. 2/W15, pp. 1195-1201
Volume: 42
Issue: 2/W15
Start page: 1195
End page: 1201
Journal: International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives 
Abstract: This paper presents an investigation as to whether and how the selection of the SfM-MVS software affects the 3D reconstruction of submerged archaeological sites. Specifically, Agisoft Photoscan, VisualSFM, SURE, 3D Zephyr and Reality Capture software were used and evaluated according to their performance in 3D reconstruction using specific metrics over the reconstructed underwater scenes. It must be clarified that the scope of this study is not to evaluate specific algorithms or steps that the various software use, but to evaluate the final results and specifically the generated 3D point clouds. To address the above research issues, a dataset from the ancient shipwreck, laying at 45 meters below sea level, is used. The dataset is composed of 19 images having very small camera to object distance (1 meter), and 42 images with higher camera to object distance (3 meters) images. Using a common bundle adjustment for all 61 images, a reference point cloud resulted from the lower dataset is used to compare it with the point clouds of the higher dataset generated using the different photogrammetric packages. Following that, a comparison regarding the number of total points, cloud to cloud distances, surface roughness, surface density and a combined 3D metric was done to evaluate and see which one performed the best.
Description: Presented at 27th CIPA International Symposium - Documenting the Past for a Better Future, Avila, Spain, 1-5 September, 2019
ISSN: 16821750
DOI: 10.5194/isprs-archives-XLII-2-W15-1195-2019
Rights: © Authors
Type: Article
Affiliation : Cyprus University of Technology 
National School of Geographic Sciences 
Appears in Collections:Άρθρα/Articles

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