Key-Skeleton-Pattern Mining on 3D Skeletons Represented by Lie Group for Action Recognition

Table 4

Recognition rate on the UCKinect-Action dataset.

Approach	Recognition accuracy
Lie group[5]	97.08
Grassmann manifold[16]	97.91
Eigenjoints[29]	97.1
Learning feature combination[30]	98.00
Our approach	98.87