Autonomous Gait Event Detection with Portable Single-Camera Gait Kinematics Analysis System

Table 1

Knee angle validation against Vicon.

Metric	Stroke patients	Healthy volunteers
-squared value	0.9817	0.9711
Max. difference (deg.)	−9.3376	12.2055
Root mean square difference (deg.)	2.6504	4.0129
Bland-Altman plot
Mean difference (deg.)	−0.9348	3.0127
95% confidence interval	(−5.7961, 3.9265)	(−2.1834, 8.2088)
Linear fit
Slope	−0.0698	0.0162
Intercept	0.4113	2.7918