internal static extern void cvCalcPyramid(__CvImagePtr src, __CvArrPtr container, IntPtr levels, int level_count, int filter);
internal static extern void cvPyrSegmentation(__CvImagePtr src, __CvImagePtr dst, __CvMemStoragePtr storage, __CvSeqPtr comp, int level, double threshold1, double threshold2);
internal static extern void cvIntegral(__CvImagePtr image, __CvArrPtr sum, __CvArrPtr sqsum, __CvArrPtr tilted_sum);
internal static extern void cvPyrUp(__CvImagePtr src, __CvImagePtr dst, int filter);
public static extern void cvPyrDown(__CvImagePtr src, __CvImagePtr dst, int filter);