A Review of Subspace Segmentation: Problem, Nonlinear Approximations, and Applications to Motion Segmentation

Table 1

Percentage of classification errors for sequences with two motions.

Checker (78)	GPCA	LSA	RANSAC	MSL	ALC	SSC-B	SSC-N	NLS
Average	6.09%	2.57%	6.52%	4.46%	1.55%	0.83%	1.12%	0.23%
Median	1.03%	0.27%	1.75%	0.00%	0.29%	0.00%	0.00%	0.00%
Traffic (31)
Average	1.41%	5.43%	2.55%	2.23%	1.59%	0.23%	0.02%	1.40%
Median	0.00%	1.48%	0.21%	0.00%	1.17%	0.00%	0.00%	0.00%
Articulated (11)
Average	2.88%	4.10%	7.25%	7.23%	10.70%	1.63%	0.62%	1.77%
Median	0.00%	1.22%	2.64%	0.00%	0.95%	0.00%	0.00%	0.88%
All (120 seq)
Average	4.59%	3.45%	5.56%	4.14%	2.40%	0.75%	0.82%	0.57%
Median	0.38%	0.59%	1.18%	0.00%	0.43%	0.00%	0.00%	0.00%