A STUDY ON THE DETECTION OF DETERRED DRIVER'S VISIBILITY CAUSED BY SNOWDRIFTS BY THE USE OF IMAGE PROCESSING

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  • CCTVカメラの画像処理を用いた暴風雪時の視程障害検知に関する研究

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In Hokkaido, low visibility which may be occurred by snow and strong wind in winter makes traffic disturbances. To detect low visibility and avoid risk of traffic disturbances are important. Then, by the use of image processing which are taken by CCTV camera in national highway of Hokkaido, detection of low visibility was done. Using WIPS calculated images from CCTV camera, merit occurs in snow road situation and effection of wind. Compare detection low visibility from GPV and WIPS, verified to show this merit using practical data recorded by 6 routes and 20 cameras in Nemuro-Nakashibetsu area from December 2016 to February 2017. As a result, WIPS evaluates situation of low visibility by strong wind when no snowfall on the road. At the same situation, GPV cannot consider snow and wind on the ground face and detect low visibility. Therefore, using and modifying information of low visibility from WIPS shows valid index to efficient road management and development of snow plan.

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