Transforms [n, w, h, d] eopatch into a [n, w, h, 1] eopatch, adding it the classification mask.

            :param eopatch: An input EOPatch
            :type eopatch: EOPatch
            :return: Outputs EOPatch with n classification masks appended to out_feature_type with out_feature_name key
            :rtype: EOPatch

def execute(self, eopatch):
        """ Transforms [n, w, h, d] eopatch into a [n, w, h, 1] eopatch, adding it the classification mask.

            :param eopatch: An input EOPatch
            :type eopatch: EOPatch
            :return: Outputs EOPatch with n classification masks appended to out_feature_type with out_feature_name key
            :rtype: EOPatch
        """
        in_type, in_name = next(self.input_feature(eopatch))
        out_type, out_name = next(self.input_feature())

        eopatch[out_type][out_name] = self.classifier.image_predict(eopatch[in_type][in_name])

        return eopatch