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Open Source Computer Vision Library
https://opencv.org/
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45 lines
870 B
45 lines
870 B
#!/usr/bin/env python |
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''' |
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plots image as logPolar and linearPolar |
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Usage: |
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logpolar.py |
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Keys: |
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ESC - exit |
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''' |
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# Python 2/3 compatibility |
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from __future__ import print_function |
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import numpy as np |
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import cv2 as cv |
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def main(): |
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import sys |
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try: |
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fn = sys.argv[1] |
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except IndexError: |
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fn = 'fruits.jpg' |
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img = cv.imread(cv.samples.findFile(fn)) |
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if img is None: |
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print('Failed to load image file:', fn) |
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sys.exit(1) |
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img2 = cv.logPolar(img, (img.shape[0]/2, img.shape[1]/2), 40, cv.WARP_FILL_OUTLIERS) |
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img3 = cv.linearPolar(img, (img.shape[0]/2, img.shape[1]/2), 40, cv.WARP_FILL_OUTLIERS) |
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cv.imshow('before', img) |
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cv.imshow('logpolar', img2) |
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cv.imshow('linearpolar', img3) |
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cv.waitKey(0) |
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print('Done') |
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if __name__ == '__main__': |
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print(__doc__) |
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main() |
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cv.destroyAllWindows()
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