Our workflow of processing of 3D volume, geometric, and feature data consists of the following steps:

Preprocessing (filtering, resampling, denosing) of 3D volume data (here: result of CT)
Octree-based, compressed representation of isosurface and per-vertex data (EXA file format)
Triangulation of isosurface, implementing a manifold dual marching cube algorithm
Smoothing, feature extraction, and segmentation of the triangulated isosurface
Interactive 3D visualization of isosurface and feature data (option: stereoscopic rendering)

All methods are implemented in C, taking advantage of multi-core parallelization in OpenMP, and applying OpenGL4 for 3D rendering purposes. GTK3 is used for abstraction of the user interface. We provide a version with native Win32 user interface, especially for support of head-tracked, auto-stereoscopic viewing based on Dimenco Simulated Reality technology (MS Windows). The modules are tested in Linux (Ubuntu: gcc) and Windows environments (MSYS2: gcc, MS Visual Studio: cl, Intel oneAPI: icx-cl).

The application example AO8295 is based on this open data set:

Michel, C., Schroer, C., Olbrich, S., Ehteram, S., and Beckert, A. (2024). AO 8295 (X-Ray Tomography 3D data of an Enveloped Clay Tablet, Louvre Museum, Paris) [Data set].
DOI: https://doi.org/10.25592/uhhfdm.14776

A video animation generated by EXAVIS42 is published here:

Olbrich, S. and Beckert, A. (2024). Non-invasive, virtual unpacking of enclosed cuneiform - 3D reconstruction and visualization of clay tablets based on data acquired by portable micro-CT scanner [Video].
DOI: https://doi.org/10.25592/uhhfdm.14772

Our work is published here:

Olbrich, S., Beckert, A., Michel, C., Schroer, C., Ehteram, S., Schropp, A., Paetzold, P.: Efficient Analysis and Visualization of High-Resolution Computed Tomography Data for the Exploration of Enclosed Cuneiform Tablets. Proceedings of 2024 IEEE 14th Symposium on Large Data Analysis and Visualization (LDAV), Oct. 13 2024 to Oct. 13 2024, St Pete Beach, FL, USA.
ISBN: 979-8-3315-1692-5,
DOI: https://doi.ieeecomputersociety.org/10.1109/LDAV64567.2024.00012
 
Olbrich, S., Michel, C., and Schroer, C.: Non-invasive unpacking of enclosed cuneiform tab-lets by visualization and printing of extracted and segmented surfaces from 3D CT volume data. DOT 2022 – Deutscher Orientalistentag. September 12 – 17, 2022, Berlin, Germany.

Version LDAV2024 of this open source software, in conjunction with the open data set AO8295 mentioned above, should reproduce the results published in [1]. DOI: http://doi.org/10.25592/uhhfdm.16616

The project "Reading Closed Cuneiform Tablets Using High-Resolution Computed Tomography" (RFA09) was funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany's Excellence Initiative - EXC 2176 "Understanding Written Artefacts: Material, Interaction, and Transmission in Manuscript Cultures", project no. 390893796. The research was conducted within the scope of the Centre for the Study of Manuscript Cultures (CSMC) at Universität Hamburg.