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The Slicermorph extension for 3D Slicer includes tools for the preliminary steps of geometric morphometrics (GMM), including the Generalized Procrustes Analysis on 3D landmarks and visualization of the shape space. The dataset used in this video will be made available once my paper is published.
More on GMM: morphometrics....
More on Slicermorph: slicermorph.gi...
Acknowledgements:
Thanks to the William R. Zooarchaeology Lab (WRAZL) at Indiana University and collections manager Jess Miller-Camp for access to the specimens seen in this video
Morphosource Links:
Beaver - www.morphosour...
Timestamps:
0:00 - Introduction and Example
1:33 - Installing Slicermorph extension
1:49 - GPA Module
2:17 - Loading Landmark Data
2:55 - Performing Procrustes Analysis
4:04 - Accessing Procrustes Output
5:27 - Viewing Mean Shape
6:23 - Plotting Landmark Variance
7:58 - Plotting Lollipop Vectors
8:45 - PCA Scatter Plot
9:31 - Setting up 3D Shape Visualization
12:02 - Warping 3D Shape
14:57 - Exporting Warped Models