Execute computation of blobs on input eopatch

        :param eopatch: Input eopatch
        :type eopatch: eolearn.core.EOPatch
        :return: EOPatch instance with new key holding the blob image.
        :rtype: eolearn.core.EOPatch

def execute(self, eopatch):
        """ Execute computation of blobs on input eopatch

        :param eopatch: Input eopatch
        :type eopatch: eolearn.core.EOPatch
        :return: EOPatch instance with new key holding the blob image.
        :rtype: eolearn.core.EOPatch
        """
        for feature_type, feature_name, new_feature_name in self.feature:
            eopatch[feature_type][new_feature_name] = self._compute_blob(
                eopatch[feature_type][feature_name].astype(np.float64)).astype(np.float32)

        return eopatch