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

Table 2

The database of points for determining visibility (VISD/N) and related phenomena (mountains obscured-HOBSC, mist-BR, and fog-FG) in the Salt Lake City image.

i	Name	VisD	VisN	Phen	U	D	L	R
1	U_ho	1	0	HOBSC	523	605	284	414
2	U_ho2	1	0	HOBSC	503	568	0	117
3	Hor	1	1	BR	580	680	157	334
4	B	1	1	FG	610	750	350	480
5	Hor_ba	1	0	−BR	618	685	573	671
6	Stad	1	1	FG	683	797	790	1132

The minus sign indicates a lower intensity of the phenomenon. The boundary pixels of the frame in the image are indicated by U, D, L, and R.