void cvGetGLCMDescriptorStatistics(CvGLCM* GLCM, int descriptor, double* average, double* standardDeviation) {
    void *fptr;

    fptr = dlsym(_Chcv_handle, "cvGetGLCMDescriptorStatistics_chdl");
    if(fptr == NULL) {
        fprintf(_stderr, "Error: %s(): dlsym(): %s\n", __func__,  dlerror());
        return;
    }
    dlrunfun(fptr, NULL, cvGetGLCMDescriptorStatistics, GLCM, descriptor, average, standardDeviation);
}