/// <summary>
/// Lit if average value of RGB is greater than half.
/// </summary>
/// <param name="pixel">Input pixel</param>
/// <returns>True if average value of RGB is greater than half.</returns>
public static bool LinearBrightnessConvertor(IPixel pixel)
{
var vector = pixel.ToScaledVector4();
return(vector.X + vector.Y + vector.Z > 1.5);
}