Stereo Matching Algorithm Based on HSV Color Space and Improved Census Transform

Table 5

Error matching rates before and after the improvement.

Stereo pairs	Original method			Improved method
	Box filter	Guided filter	MST	Box filter	Guided filter	MST
Tsukuba	10.60	5.40	2.44	7.95	2.90	2.23
Venus	7.85	4.49	3.15	5.40	3.14	3.13
Teddy	13.44	11.38	7.15	11.70	9.80	7.04
Cones	6.18	5.93	4.15	5.65	4.63	4.13
Average	9.52	6.80	4.23	7.68	5.12	4.13