Laser & Optoelectronics Progress, Volume. 58, Issue 6, 601001(2021)
Road Visibility Detection Based on Priori Theory of Dark and Bright Primary Colors
Figures & Tables(5)
Fig. 2. Visibility image obtained by instrument method. (a) Visibility is 126 m; (b) visibility is 145 m; (c) visibility is 199 m; (d) visibility is 90 m; (e) visibility is 324 m; (f) visibility is 120 m
Fig. 3. Surveillance video images at different time periods. (a) 12:00; (b) 12:10; (c) 12:20; (d) 12:30; (e) 12:40; (f) 12:50; (g) 13:00; (h) 15:30; (i) 15:40; (j) 15:50; (k) 16:00; (l) 16:10; (m) 16:20; (n) 16:30
Table 1. Visibility test results of the two methods
View tableTable 1. Visibility test results of the two methods
Image Standard visibility /m Transmittance value Visibility detection value /m Relative error /% Bright primary color Dark primary color Ours Preset target object method Ours Preset target object method Fig. 2 (a)126 0.329116 0.345907 121 137 3.97 8.73 Fig. 2 (b)145 0.315548 0.330019 134 157 7.58 8.28 Fig. 2 (c)199 0.580061 0.597468 204 215 2.51 8.04 Fig. 2 (d)90 0.313006 0.322665 113 115 25.56 27.80 Fig. 2 (e)324 0.657181 0.687473 286 352 11.73 8.64 Fig. 2 (f)124 0.523549 0.548510 129 136 4.03 9.67
Table 2. Visibility test result of our method
View tableTable 2. Visibility test result of our method
Image Time Standard visibility /m Transmittance Test results of our method /m Relative error /% Time /s Bright primary color Dark primary color Fig. 3 (a)12:00 172 0.651418 0.676039 161 6.39 3.2334 Fig. 3 (b)12:10 176 0.645132 0.669321 163 7.39 3.2905 Fig. 3 (c)12:20 178 0.647196 0.668539 184 3.37 3.2369 Fig. 3 (d)12:30 179 0.646053 0.667699 182 1.68 3.0564 Fig. 3 (e)12:40 189 0.676341 0.698315 187 1.06 3.3059 Fig. 3 (f)12:50 194 0.669971 0.690687 197 1.55 3.2396 Fig. 3 (g)13:00 199 0.671552 0.691588 204 2.51 3.1657 Fig. 3 (h)15:30 440 0.677167 0.707473 411 6.82 3.4077 Fig. 3 (i)15:40 463 0.675183 0.704489 424 8.42 3.3978 Fig. 3 (j)15:50 497 0.684527 0.710179 489 1.61 3.4516 Fig. 3 (k)16:00 518 0.677933 0.703151 492 5.01 3.3010 Fig. 3 (l)16:10 547 0.679082 0.703767 504 7.86 3.3100 Fig. 3 (m)16:20 589 0.69087 0.714063 545 7.47 3.0810 Fig. 3 (n)16:30 623 0.694836 0.716542 585 6.10 3.1039
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Song Haisheng, Liu Yuping, Zheng Hailiang, Ma Linzhao, Chen Zhao. Road Visibility Detection Based on Priori Theory of Dark and Bright Primary Colors[J]. Laser & Optoelectronics Progress, 2021, 58(6): 601001
Paper Information
Category: Atmospheric Optics and Oceanic Optics
Received: Jul. 16, 2020
Accepted: --
Published Online: Mar. 2, 2021
The Author Email: Yuping Liu (1152283975@qq.com)
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