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Table 3 RMSD of positional errors of the L _x detector for the noisy ideal slopes, without considering noise threshold

From: A one-dimensional slope detection approach

*std* ⁿ	Pre-smooth	Erf	Tanh	Sigmoid	Ramp	Step	Arctan
0.001	1	92.1	96.31	88.28	94.26	145.67	95.77
	4	8.92	8.14	51.64	13.01	0.58	81.91
	64	0.3	0.3	0.3	0.41	0.58	0.3
0.01	1	147.65	148.06	146.24	148.34	150.46	146.63
	4	131.81	136.07	119.53	130.57	143.35	123.38
	64	0.39	0.41	0.45	0.46	0.61	0.42
0.1	1	149.72	149.85	149.61	149.77	150.2	149.58
	4	147.27	147.78	146.49	147.99	148.9	146.55
	64	56.84	60.87	58.98	56.84	52.13	63.43

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