EURASIP Journal on Advances in Signal Processing

Table 3 Performance comparison of different image auto-focusing algorithms with variation of light intensity index

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

	Brake pad				Bearing
	AF1	AF2	AF3	AF4	AF1	AF2	AF3	AF4
RMSE(mm)	0.0053	0.0093	0.0095	0.0024	0.0057	0.0089	0.0089	0.0028
SD(mm)	0.0044	0.0068	0.0063	0.0024	0.0051	0.0063	0.0076	0.0023
T(mm)	0.0180	0.0330	0.0370	0.0050	0.0280	0.0370	0.0290	0.0052
	Big standard cuboid				Small standard cuboid
RMSE(mm)	0.0110	0.0110	0.0140	0.0021	0.0107	0.0121	0.0137	0.0020
SD(mm)	0.0099	0.0106	0.0132	0.0020	0.0101	0.0115	0.0131	0.0019
T(mm)	0.0290	0.0270	0.0310	0.0060	0.0280	0.0330	0.0320	0.0060

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