Dynamic Granularity Matrix Space Based Adaptive Edge Detection Method for Structured Light Stripes

Table 1

Evaluation criteria.

Images	Methods	A	B	C	C/A	C/B	Time/ms
Figure 5(a)	Robert operator	877	103	47	0.1174	0.0536	53
	Sobel operator	861	270	31	0.3136	0.0360	55
	Prewitt operator	859	261	30	0.3038	0.0349	59
	Canny operator	3785	568	96	0.1501	0.0254	72
	Proposed method	1312	166	13	0.1265	0.0099	599
Figure 5(b)	Robert operator	6490	428	343	0.0659	0.0529	56
	Sobel operator	6934	895	248	0.1291	0.0358	73
	Prewitt operator	6932	841	236	0.1213	0.0340	64
	Canny operator	14123	1366	210	0.0967	0.0149	209
	Proposed method	14033	1348	200	0.0961	0.0143	2870
Figure 5(c)	Robert operator	5318	384	265	0.0722	0.0498	62
	Sobel operator	5063	801	126	0.1582	0.0249	67
	Prewitt operator	5072	794	127	0.1565	0.0250	56
	Canny operator	10509	1074	330	0.1022	0.0314	116
	Proposed method	7657	701	165	0.0916	0.0215	2950