Study on Leading Vehicle Detection at Night Based on Multisensor and Image Enhancement Method

Table 6

Average value of objective quality evaluation indicators.

Image	Time/s	Average gray	Standard deviation	Average gradient	Entropy
Original image		37.212	37.555	4.153	12.668
SSR	1.298	150.613	39.363	6.339	12.556
Frankle-McCann	5.221	203.996	36.260	6.545	14.945
McCann99	12.107	216.103	31.139	6.412	15.195