Table 2 Relationship between different vehicle speed and unit time and distance of single image.

From: Lane line detection at nighttime on fractional differential and central line point searching with Fragi and Hessian

Speed: km/h

M/m

M/s

M/image(PAL)

M/image(NTSC)

60

1000

16.7

0.67

0.56

80

1333

22.2

0.89

0.74

100

1667

27.8

1.11

0.93

120

2000

33.3

1.33

1.11

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