Surface smoothing, decimation, and their effects on 3D biological specimens
| Autor: | Alessio Veneziano, Federica Landi, Antonio Profico |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2018 |
| Předmět: |
Surface (mathematics)
Surface Properties Computer science Mesh networking Topology (electrical circuits) 02 engineering and technology Anthropology Physical Biological specimen Imaging Three-Dimensional 0202 electrical engineering electronic engineering information engineering Animals 0601 history and archaeology Polygon mesh Decimation 060101 anthropology Anthropometry Noise (signal processing) Skull Pongo Virtual Reality 020207 software engineering 06 humanities and the arts 3D imaging decimation morphometrics smoothing virtual anthropology Anthropology Anatomy Algorithm Algorithms Smoothing |
| Popis: | Objective Smoothing and decimation filters are commonly used to restore the realistic appearance of virtual biological specimens, but they can cause a loss of topological information of unknown extent. In this study, we analyzed the effect of smoothing and decimation on a 3D mesh to highlight the consequences of an inappropriate use of these filters. Materials and methods Topological noise was simulated on four anatomical regions of the virtual reconstruction of an orangutan cranium. Sequential levels of smoothing and decimation were applied, and their effects were analyzed on the overall topology of the 3D mesh and on linear and volumetric measurements. Results Different smoothing algorithms affected mesh topology and measurements differently, although the influence on the latter was generally low. Decimation always produced detrimental effects on both topology and measurements. The application of smoothing and decimation, both separate and combined, is capable of recovering topological information. Conclusion Based on the results, objective guidelines are provided to minimize information loss when using smoothing and decimation on 3D meshes. |
| Databáze: | OpenAIRE |
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