hilbert_huang_transform

eyefeatures.features.feature_maps.hilbert_huang_transform(data, max_imf=1)[source]

Perform Hilbert-Huang transform on a given data sequence.

Parameters:

  • data (ndarray) – input sequence of form (x, y) coordinates

  • max_imf (int) – maximum number of intrinsic mode functions to extract

Returns:

intrinsic mode functions from an input data vector

Return type:

ndarray