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Tools for quantitative form description; an evaluation of different software packages for semi-landmark analysis
Léo Botton-Divet1, Alexandra Houssaye2, Anthony Herrel3
1UMR 7179, Mécadev, Muséum National d'Histoire Naturelle, Centre National de la Recherche Scientifique , Paris , France ; Université Denis Diderot (Paris VII) , Paris , France.
Peerj
|December 1, 2015
Summary
Morpho software is significantly faster than Edgewarp for analyzing bone shape using sliding semi-landmarks. Both methods provide similar biological interpretations of bone morphology, despite differences in speed and workflow complexity.
Area of Science:
- Evolutionary biology
- Comparative anatomy
- Biomechanical analysis
Background:
- Bone shape is influenced by phylogenetic, structural, and functional constraints, making it a key area for evolutionary studies.
- Geometric morphometrics is a powerful tool for analyzing complex biological shapes.
- Sliding semi-landmarks are useful for shape description when few anatomical landmarks are available, but the sliding procedure can be time-consuming.
Purpose of the Study:
- To compare the time efficiency and results of two software packages, Edgewarp and Morpho, for sliding semi-landmark analysis.
- To evaluate potential differences in biological interpretation between the two software packages.
Main Methods:
- Quantitative analysis of bone shape using geometric morphometrics.
- Application of sliding semi-landmarks for shape description.
- Comparative performance analysis of 'Edgewarp' and 'Morpho' software for the sliding procedure.
Main Results:
- 'Morpho' demonstrated significantly faster processing times compared to 'Edgewarp' due to optimized routines and simpler workflow.
- Morphospaces generated by both software packages were comparable, reflecting consistent descriptions of biological variability.
- Minor differences in results were observed in areas with abrupt topographical changes in bone structure.
Conclusions:
- Both 'Edgewarp' and 'Morpho' are effective for describing biological structures using sliding semi-landmarks.
- 'Morpho' offers advantages in terms of speed and workflow simplicity for these analyses.
- The choice of software may depend on the specific research needs regarding time efficiency and topographical detail.
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