void cvInitIntrinsicParams2D(CvMat* object_points, CvMat* image_points, CvMat* npoints, CvSize image_size, CvMat* camera_matrix, double aspect_ratio) {
    void *fptr;

    fptr = dlsym(_Chcv_handle, "cvInitIntrinsicParams2D_chdl");
    if(fptr == NULL) {
        fprintf(_stderr, "Error: %s(): dlsym(): %s\n", __func__,  dlerror());
        return;
    }
    dlrunfun(fptr, NULL, cvInitIntrinsicParams2D, object_points, image_points, npoints, image_size, camera_matrix, aspect_ratio);
}
