Application of K-Nearest Neighbor Classification for Static Webcams Visibility Observation

Figure 17

(a) View of Frankfurt am main downtown from the DWD webcam in Offenbach am main, with orientation points marked. (b) Central European Bank, 3 km away, daytime visibility. (c) Central European Bank, 3 km away, nighttime visibility with a building crane in the image. (d) Commerzbank building, 5 km away, daytime visibility. (e) Commerzbank building, 5 km away, nighttime visibility with a building crane in the image. (f) Nighttime fog with the tip of a building crane visible.

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