dtw_python_1d_sequence_alignment_with_visualization.py

1import numpy as np
2from dtw import *
3
4# Create two sequences
5idx = np.linspace(0, 6.28, num=100)
6query = np.sin(idx) + np.random.uniform(size=100) / 10
7template = np.cos(idx)
8
9# Find the optimal alignment
10alignment = dtw(query, template, keep_internals=True)
11
12# Display the distance
13print(f"Distance: {alignment.distance}")
14
15# Visualize the alignment
16alignment.plot(type="twoway", offset=-2)