基于暗亮原色先验理论的道路能见度检测 下载: 596次
Road Visibility Detection Based on Priori Theory of Dark and Bright Primary Colors
西北师范大学物理与电子工程学院, 甘肃 兰州 730070
图 & 表
图 1. 高速公路的模拟图
Fig. 1. Simulated map of the highway
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图 2. 仪器法得到的能见度图像。(a)能见度为126 m;(b) 能见度为145 m;(c)能见度为199 m;(d)能见度为90 m;(e)能见度为324 m;(f)能见度为120 m
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
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图 3. 不同时段的监控视频图像。(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
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
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表 1两种方法的能见度检测结果
Table1. Visibility test results of the two methods
Image | Standard visibility /m | Transmittance value | Visibility detection value /m | Relative error /% |
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Bright primary color | Dark primary color | Ours | Preset targetobject method | Ours | Preset targetobject method |
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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 |
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表 2本方法的能见度检测结果
Table2. Visibility test result of our method
Image | Time | Standardvisibility /m | Transmittance | Test results of our method /m | Relative error /% | Time /s |
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Bright primary color | Dark primary color |
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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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宋海声, 刘宇平, 郑海亮, 麻林召, 陈召. 基于暗亮原色先验理论的道路能见度检测[J]. 激光与光电子学进展, 2021, 58(6): 0601001. 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): 0601001.