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. 2017 Sep 25;7:12259. doi: 10.1038/s41598-017-12539-5

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© The Author(s) 2017

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The meaning of PT when applied to two different trajectories. Left: When classic GPA + PCA are applied PC axes explain concomitantly inter- and intra- individual variation. Right: PT applied to the same data with deformation transported toward the Grand Mean; in this case PC axes explains solely the deformation (thus without initial inter- individual shape differences) applied to the consensus.