Features from a Single Vector Pressure Stroke

Table 10

Curve features.

Number	Feature	Definition	Formula and value
1		Original stroke in X-Y
2		Compressed curve in X-Y
3		Knee point curve in X-Y
4		Spline curve in X-Y
5		Speed curve in X-V
6		Acceleration curve in X-a
7		Pressure curve in X-P
8		Compressed pressure curve
9		Generalized pressure curve
10		End-locked pressure curve
11		Arc-fitting pressure curve
12		Parabola-fitting pressure curve
13		Pressure-to- curve
14		Spatial curve	=
15		Original stroke in X-
16		Original stroke in X-