PROBLEM TO BE SOLVED: To provide a visibility determination device capable of determining whether visibility over a road is high or low.SOLUTION: A visibility determination device 10 comprises: an edge detection unit 20 that acquires video signals from an imaging part 11 provided on a vehicle and performs edge detection in the video signals; and a visibility determination unit 27 that, after detecting the number of edges within a determination region which uses as a reference a position containing a center of an image based on the video signals, if the number of the edges is a threshold or more, determines that visibility over a road is satisfactory and, if the number of the edges is less than the threshold, determines that the visibility over the road is unsatisfactory.SELECTED DRAWING: Figure 1
【課題】道路上の見通しの良し悪しについて判定することのできる見通し判定装置を提供する。【解決手段】見通し判定装置10は、車両に設けられた撮像部11から映像信号を取得し、映像信号に対しエッジ検出を行うエッジ検出部20と、映像信号に基づく画像の中心を含む位置を基準とする判定領域内のエッジの数を検出し、エッジの数が閾値以上であれば、道路上の見通しが良好であると判定し、エッジの数が閾値未満であれば、道路上の見通しが良好ではないと判定する見通し判定部27とを備える。【選択図】図1
VISIBILITY DETERMINATION DEVICE
見通し判定装置
2017-06-29
Patent
Electronic Resource
Japanese
VISIBILITY STATE DETERMINATION DEVICE AND VISIBILITY STATE DETERMINATION SYSTEM
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