CvImgObsInfo* cvCreateObsInfo(CvSize numObs, int obsSize) {
    void *fptr;
    CvImgObsInfo*retval;

    fptr = dlsym(_Chcv_handle, "cvCreateObsInfo_chdl");
    if(fptr == NULL) {
        fprintf(_stderr, "Error: %s(): dlsym(): %s\n", __func__,  dlerror());
        return NULL;
    }
    dlrunfun(fptr, &retval, cvCreateObsInfo, numObs, obsSize);
    return retval;
}
