void cvEstimateTransProb(CvImgObsInfo** obs_info_array, int num_img, CvEHMM* hmm) {
    void *fptr;

    fptr = dlsym(_Chcv_handle, "cvEstimateTransProb_chdl");
    if(fptr == NULL) {
        fprintf(_stderr, "Error: %s(): dlsym(): %s\n", __func__,  dlerror());
        return;
    }
    dlrunfun(fptr, NULL, cvEstimateTransProb, obs_info_array, num_img, hmm);
}
