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bezero/pca.py

Created June 11, 2019 09:45
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PCA using opencv
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pca.py
import cv2
import numpy as np
points = np.array([[0, 20], [980, 1020], [1020, 980], [20, 0]], dtype=np.float)
mean, eigenvectors = cv2.PCACompute(data=points, mean=None, maxComponents=1)
print(points)
print(eigenvectors)
theta = np.arctan((eigenvectors[0, 1])/(eigenvectors[0, 0]))
print('theta: ', theta)
print('theta deg: ', theta*180/np.pi)
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