Automated optical inspection system for digital TV sets

EURASIP Journal on Advances in Signal Processing

Table 3 Results of the three comparison methods in image tests under constant illumination

Results of image tests - constant illumination
Number	Test	LAE	NCC	NCC-BB
1	Correct image	653.41	1800.98	39.15
2	Different image 1	2191.53	82.46	125.77
3	Different image 2	2058.87	- 20.20	76.71
4	Different image 3	2572.08	16.07	133.30
5	Constant black	1772.28	- 6.23	78.13
6	Constant white	1770.22	6.20	77.06

This table summarizes the results for LAE, NCC and NCC-BB comparison methods in image tests under constant illumination. All three methods successfully detected the correct reference image.