IPPDerivScharr    193 modules/imgproc/src/deriv.cpp static bool IPPDerivScharr(InputArray _src, OutputArray _dst, int ddepth, int dx, int dy, double scale, double delta, int borderType)
IPPDerivScharr    307 modules/imgproc/src/deriv.cpp static bool IPPDerivScharr(InputArray _src, OutputArray _dst, int ddepth, int dx, int dy, double scale, double delta, int borderType)