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Table 4 RMSD of positional errors of the L _x detector for the noisy ideal slopes, considering noise threshold

From: A one-dimensional slope detection approach

*std* ⁿ	Pre-smooth	Erf	Tanh	Sigmoid	Ramp	Step	Arctan
0.001	1	34.64	33.4	52.53	16.65	0.58	56.26
	4	8.64	4.5	47.17	12.76	0.57	75.2
	64	0.28	0.28	0.29	0.4	0.57	0.29
0.01	1	24.53	21.04	39.43	15.36	0.58	38.86
	4	15.08	10.36	33.27	14.11	0.57	38.06
	64	0.39	0.41	0.47	0.46	0.58	0.47
0.1	1	21.34	20.04	47.93	15.17	0.57	51.45
	4	10.4	8	28	11.54	0.58	30.67
	64	1.05	0.95	1.2	0.86	0.89	1.15

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