EURASIP Journal on Advances in Signal Processing

Table 2 Performance comparison of different image auto-focusing algorithms with variation of lens magnification

From: An image auto-focusing algorithm for industrial image measurement

	Brake pad				Bearing
	AF1	AF2	AF3	AF4	AF1	AF2	AF3	AF4
RMSE(mm)	0.0052	0.0096	0.0100	0.0025	0.0047	0.0084	0.0088	0.0021
SD(mm)	0.0054	0.0071	0.0078	0.0028	0.0051	0.0078	0.0086	0.0019
T(mm)	0.0170	0.0320	0.0300	0.0056	0.0210	0.0310	0.0190	0.0062
	Big standard cuboid				Small standard cuboid
RMSE(mm)	0.0100	0.0110	0.0150	0.0011	0.0098	0.0112	0.0129	0.0018
SD(mm)	0.0095	0.1020	0.0143	0.0011	0.0094	0.0107	0.0123	0.0017
T(mm)	0.0290	0.0250	0.0340	0.0030	0.0270	0.0300	0.0310	0.0060

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