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Technical gazette, Vol. 30 No. 6, 2023.

Preliminary communication

https://doi.org/10.17559/TV-20230313000437

Copyright Protection of 3D Digitized Sculptures by Use of Haptic Device for Adding Local-Imperceptible Bumps

Ivana Vasiljević orcid id orcid.org/0000-0002-4757-5202 ; University of Novi Sad, Faculty of Technical Sciences, Trg Dositeja Obradovića 6, 21000 Novi Sad, Serbia *
Željko Santoši orcid id orcid.org/0000-0003-3975-0864 ; University of Novi Sad, Faculty of Technical Sciences, Trg Dositeja Obradovića 6, 21000 Novi Sad, Serbia
Miloš Obradović orcid id orcid.org/0000-0002-1142-0073 ; University of Novi Sad, Faculty of Technical Sciences, Trg Dositeja Obradovića 6, 21000 Novi Sad, Serbia
Branislav Popkonstantinović orcid id orcid.org/0000-0001-9278-7848 ; University of Belgrade, Faculty of Mechanical Engineering, Kraljice Marije 16, 11120 Belgrade, Serbia
Igor Budak ; University of Novi Sad, Faculty of Technical Sciences, Trg Dositeja Obradovića 6, 21000 Novi Sad, Serbia
Ratko Obradović orcid id orcid.org/0000-0002-7167-7938 ; University of Novi Sad, Faculty of Technical Sciences, Trg Dositeja Obradovića 6, 21000 Novi Sad, Serbia

* Corresponding author.

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Abstract

This research aims to improve some approaches for protecting digitized 3D models of cultural heritage objects such as the approach shown in the authors' previous research on this topic. This technique can be used to protect works of art such as 3D models of sculptures, pottery, and 3D digital characters for animated film and gaming. It can also be used to preserve architectural heritage. In the research presented here adding protection to the scanned 3D model of the original sculpture was achieved using the digital sculpting technique with a haptic device. The original 3D model and the model with added protection were after that printed at the 3D printer, and then such 3D printed models were scanned. In order to measure the thickness of added protection, the original 3D model and the model with added protection were compared. Also, two scanned models of the printed sculptures were compared to define the amount of added material. The thickness of the added protection is up to 2 mm, whereas the highest difference detected between a matching scan of the original sculpture (or protected 3D model) and a scan of its printed version (or scan of the protected printed version) is about 1 mm.

Keywords

copyright; digitization; haptic device; sculpture; 3D printing; 3D scanning

Hrčak ID:

309251

URI

https://hrcak.srce.hr/309251

Publication date:

25.10.2023.

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