Function DeBand(Clip Clp,Int"Power")
{

Power	= Default(Power,3)

Dither	= Clp.AddGrain(Power,0,0)

Result	= yv12lutxy(Dither,Clp,"x 48 < x 2 + y < x 2 + x 2 - y > x 2 - y ? ? x 64 < x 1 + y < x 1 + x 1 - y > x 1 - x ? ? y ? ?",U=2,V=2)

Return(Result)

}