Three-Dimensional Reconstruction of Welding Pool Surface by Binocular Vision

Chinese Journal of Mechanical Engineering

Table 3 Comparison between the improved RANSAC algorithm and the traditional RANSAC algorithm

Image group	Total feature points	Traditional RANSAC			Improved RANSAC			Time difference \(\Delta T\) (s)	Increasing efficiency (%)
Image group	Total feature points	Interior points	Rate (%)	Algorithm time (s)	Interior points	Rate (%)	Algorithm time (s)	Time difference \(\Delta T\) (s)	Increasing efficiency (%)
1	5900	638	10.81	43.77	858	14.54	12.54	31.23	249.04
2	6501	640	9.84	55.55	790	12.15	18.78	36.77	195.79
3	5817	616	10.59	54.05	764	13.13	19.87	34.18	172.02
4	6434	650	10.10	53.69	771	11.98	19.32	34.37	177.90
5	4698	549	11.69	52.13	701	14.92	19.82	32.31	163.02
6	5454	613	11.24	52.71	744	13.64	19.37	33.34	172.12
7	5472	648	11.84	54.64	973	17.78	20.40	34.24	167.84
8	5650	600	10.62	54.30	943	16.69	19.88	34.42	173.14