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Quantitative comparison of freeware software for bone mesh from DICOM files
Katsiaryna Matsiushevich1, Claudio Belvedere2, Alberto Leardini2
1Nursing, Technical and Rehabilitation Assistance Service, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy.
Journal of Biomechanics
|December 29, 2018
Summary
Free 3D reconstruction software yields good quality bone models from CT scans, suitable for biomechanical modeling and medical education without specialized training. These tools offer valuable features comparable to expensive alternatives.
Area of Science:
- Medical Imaging and Biomechanics
- 3D Reconstruction and Modeling
Background:
- Accurate STL files from medical imaging are crucial for musculoskeletal modeling, 3D bone printing, and custom prosthesis design.
- Specialized software for 3D reconstruction is often expensive, limiting accessibility.
Purpose of the Study:
- To assess and compare the quality of 3D bone models reconstructed using free, alternative software.
- To evaluate the suitability of freeware for biomechanical modeling and medical education.
Main Methods:
- Three popular freeware programs and one standard software were used for 3D reconstruction from DICOM files (CT scans).
- Sixty bone models from five anatomical areas were reconstructed by a radiographer with no prior specific training.
- 3D spatial matching and distance-map analysis were performed to assess surface quality.
Main Results:
- All four software packages produced good quality bone models with valuable features.
- Significant variations in file size and triangle count were observed across software.
- Root mean square deviation averaged from 0.13 to 2.21 mm, indicating acceptable surface accuracy.
Conclusions:
- Freeware is suitable for 3D bone model reconstruction, offering a cost-effective alternative.
- The software does not require specialized training, broadening opportunities for biomechanical applications and medical education.
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