void cvReprojectImageTo3D(CvArr* disparityImage, CvArr* _3dImage, CvMat* Q) {
    void *fptr;

    fptr = dlsym(_Chcv_handle, "cvReprojectImageTo3D_chdl");
    if(fptr == NULL) {
        fprintf(_stderr, "Error: %s(): dlsym(): %s\n", __func__,  dlerror());
        return;
    }
    dlrunfun(fptr, NULL, cvReprojectImageTo3D, disparityImage, _3dImage, Q);
}
