Table 2.

Classification Accuracies on the Spherical-Navi dataset.

Navigation Choices (i.e., $2\mathit{K}+1$)	SVM [47]	Giusti [13]	Proposed Model 1	Proposed Model 2
3 choices ($K=1$)	84.03%	91.14%	92.64%	94.30%
5 choices ($K=2$)	78.92%	83.01%	84.82%	93.07%
7 choices ($K=3$)	70.30%	73.12%	72.36%	87.73%