Mixed Signature: An Invariant Descriptor for 3D Motion Trajectory Perception and Recognition

Table 2

Sign matching of “0” and “6”.

Match group	Previous signature			Mixed signature
	Average	Min	Max	Average	Min	Max
0-0	24.1	21.6	26.8	32.3	28.1	34.7
6-6	24.8	21.4	27.1	24.4	18.5	29.9
0-6	26.6	23.0	31.7	69.2	57.6	97.9