* @return
*/
public static LUVHistorgam build(Iterable<LuvPoint> cluster)
{
LUVConverter c= new LUVConverter();
LUVHistorgam h = new LUVHistorgam(COORDCOUNT, SEGMENTSCOUNT);
for (LuvPoint luvPoint : cluster)
{
final LUV lUV = luvPoint.getLUV();
int ARGB = c.LUVtoARGBint(lUV);
int a = (ARGB & 0xff000000) >> 24;
int r = (ARGB & 0x00ff0000) >> 16;
int g = (ARGB & 0x0000ff00) >> 8;
int b = (ARGB & 0x000000ff) >> 0;