Table 5.

Average percentage of variance captured by the first component of PCA performed on the output capsule vectors of the different transformations applied to test set images.

Method	Translations on x	Translations on y	Rotations
Random	$25.57{\%}_{\pm 0.028}$	$25.54{\%}_{\pm 0.028}$	$13.49{\%}_{\pm 0.009}$
CapsNet10	$83.78{\%}_{\pm 0.006}$	$79.82{\%}_{\pm 0.009}$	$88.01{\%}_{\pm 0.006}$
Efficient-CapsNet	$89.69{\%}_{\pm 0.005}$	$87.28{\%}_{\pm 0.008}$	$88.75{\%}_{\pm 0.005}$