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Riedones3D: a celtic coin dataset for registration and fine-grained clustering

Abstract : Clustering coins with respect to their die is an important component of numismatic research and crucial for understanding the economic history of tribes (especially when literary production does not exist, in celtic culture). It is a very hard task that requires a lot of times and expertise. To cluster thousands of coins, automatic methods are becoming necessary. Nevertheless, public datasets for coin die clustering evaluation are too rare, though they are very important for the development of new methods. Therefore, we propose a new 3D dataset of 2 070 scans of coins. With this dataset, we propose two benchmarks, one for point cloud registration, essential for coin die recognition, and a benchmark of coin die clustering. We show how we automatically cluster coins to help experts, and perform a preliminary evaluation for these two tasks. The code of the baseline and the dataset will be publicly available at https://www.npm3d.fr/coins-riedones3d and https: //www.chronocarto.eu/spip.php?article84&lang=fr.
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https://hal.archives-ouvertes.fr/hal-03359796
Contributor : Sofiane Horache Connect in order to contact the contributor
Submitted on : Thursday, September 30, 2021 - 2:59:43 PM
Last modification on : Wednesday, September 28, 2022 - 4:20:11 PM
Long-term archiving on: : Friday, December 31, 2021 - 8:32:04 PM

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S Horache, Jean-Emmanuel Deschaud, Francois Goulette, K Gruel, T Lejars, et al.. Riedones3D: a celtic coin dataset for registration and fine-grained clustering. Computer Graphics Forum (Proceedings of Eurographics), 2021, Eurographics Workshop on Graphics and Cultural Heritage, ⟨10.2312/gch.20211410⟩. ⟨hal-03359796⟩

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