public static extern void ConvertDepthPointToSkeletonPoint(int depthX, int depthY, int depthZ, ref ImiVector4 skeletonPosition, ImiImageResolution depthReslution);
public static extern void ConvertSkeletonPointToDepthPoint(ImiVector4 skeletonPosition, ref int depthX, ref int depthY, ref int depthZ, ImiImageResolution depthReslution);