public uint AbsDifference(sPixel pixel)
{
return (uint)(
_LUMINANCE_TRIGGER * Math.Abs(this.Luminance - pixel.Luminance)
+ _CHROMA_V_TRIGGER * Math.Abs(this.ChrominanceV - pixel.ChrominanceV)
+ _CHROMA_U_TRIGGER * Math.Abs(this.ChrominanceU - pixel.ChrominanceU)
);
}