_ims(all_f, in_locs=np.zeros([bsize, self.conf.n_classes, 2]), conf=self.conf, distort=False, scale=self.conf.rescale)
        self.fd[self.inputs[0]] = xs
        self.fd_val()
        pred = sess.run(self.pred, self.fd)
        base_locs = self.convert_preds_to_locs(pred)
        base_locs = base_locs * conf.rescale
        ret_dict = {}
        ret_dict['locs'] = base_locs
        return ret_dict
</code></pre>

<h3><a id="pb_preproc">Defining preproc_func function (Optional)</a></h3>
    Inputs<br>
    <