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. 2018 Apr 18;13(4):e0195125. doi: 10.1371/journal.pone.0195125

Fig 2. WIPs of the PC vectors obtained from both vastii muscles.

Fig 2

a) subject#1 and b) subject#4. Top left is the WIP of the PC-residual vector of the mean, it is needed to be able to reconstruct the mean. The WIP of the residual vector is followed by the WIP of the first five PC-vectors. The maximal positive value is indicated in bright yellow and the maximal negative value is indicated in dark blue. The norm is 1 for all vectors. All PC-vectors and the PC- residual vector are orthogonal to one another. The number of PC-vectors that explain 99% of the variability together with the residual form the new base for the patterns and has the new dimensionality, nd (Table 1).