Method _decompose

pywt/_wavelet_packets.py:646–659

See also -------- dwt2 : for 2D Discrete Wavelet Transform output coefficients.

(self)

        return None

    def _decompose(self):
        """
        See also
        --------
        dwt2 : for 2D Discrete Wavelet Transform output coefficients.
        """
        if self.is_empty:
            coefs = {key: None for key in self.PARTS}
        else:
            coefs = dwtn(self.data, self.wavelet, self.mode, axes=self.axes)

        for key, data in coefs.items():
            self._create_subnode(key, data)
        return (self._get_node(key) for key in self.PARTS)

    def _reconstruct(self, update):
        coeffs = {key: None for key in self.PARTS}