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Comprehensive dynamic time warping module for python

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statefb/dtwalign

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Documentation Status

cicd workflow

Comprehensive dynamic time warping module for python.
Documentation isavailable via ReadTheDocs.

Note: Please consider to usepython-dtw package which is compatible withdtw for R.

Installation

pip install dtwalign

Features

Fast computation


byNumba

Partial alignment


  • before alignment

  • after alignment

Local constraint (step pattern)


example:

Symmetric2AsymmetricP2TypeIVc

Global constraint (windowing)


example:

SakoechibaItakuraUser defined

Alignment path visualization


Usage

seeexample

Reference

  1. Sakoe, H.; Chiba, S., Dynamic programming algorithm optimization for spoken word recognition, Acoustics, Speech, and Signal Processing
  • Paolo Tormene, Toni Giorgino, Silvana Quaglini, Mario Stefanelli (2008). Matching Incomplete Time Series with Dynamic Time Warping: An Algorithm and an Application to Post-Stroke Rehabilitation. Artificial Intelligence in Medicine, 45(1), 11-34.

  • Toni Giorgino (2009). Computing and Visualizing Dynamic Time Warping Alignments in R: The dtw Package. Journal of Statistical Software, 31(7), 1-24.


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