Algorithm 1
1:	Frame Process
2:	Dilate Function (cvDilate(I, n))
	$\mathit{\text{Dilate}}(x,y)=\frac{\mathit{Max}}{(x^{\prime },y^{\prime })\in K_1}I(x+x^{\prime },y+y^{\prime })$
3:	Erode Function (cvErode(I, n))
	$\mathit{\text{Erode}}(x,y)=\frac{\mathit{Min}}{(x^{\prime },y^{\prime })\in K_2}I(x+x^{\prime },y+y^{\prime })$
4:	Clean
5:	End