Analysing the variations of shapes based on surface-models.

Area of Science:

• Computer-aided surgery
• Medical imaging
• Computational geometry

Background:

• Evaluating shape differences in 3D surface models is crucial for various applications.
• Existing methods may lack comprehensive tools for registration and comparative analysis.
• Variations in mesh generation, object representation, and coordinate systems complicate shape comparison.

Purpose of the Study:

• To present a freely available software application for surface model registration and analysis.
• To provide a tool for quantifying and visualizing shape differences between registered 3D models.
• To address challenges in comparing surface models resulting from mesh processing or inherent object variability.

Main Methods:

• The software supports rigid, similarity, and affine transformations for surface registration.
• It enables the calculation and visualization of differences between registered surface models.
• The application is designed for analyzing triangle meshes and other surface representations.

Main Results:

• A functional, freely downloadable software application has been developed.
• The tool facilitates the quantitative evaluation of shape discrepancies in surface models.
• Various visualization methods are available for analyzing surface differences.

Conclusions:

• The developed software offers a valuable resource for researchers working with 3D surface models.
• It simplifies the process of comparing and analyzing shape variations in medical and geometric applications.
• The tool aids in understanding the impact of different factors on surface model fidelity.