TABLE 1.

The five classes used for classification.

Class
Direction	Distance	x position	y position	Each movement
(24 classes)	(7 classes)	(5 classes)	(5 classes)
[Unit: degree]	[Unit: 1 side of the small square in Figure 1: 6.525 cm]	[Unit: 1 side of the small square in Figure 1: 6.525 cm]	[Unit: 1 side of the small square in Figure 1: 6.525 cm]
−162, −153, −146, −135, −124, −117, −108, −90, −63,	1.414, 2.236, 3.162, 3.606, 4, 4.243, and 5.657	1, 2, 3, 4, and 5	1, 2, 3, 4, and 5	Movements 1–30
−45, −27, 0, 18, 27, 34, 45, 56, 63, 72, 90, 117, 135, 153, and 180