46 lines
870 B
Python
46 lines
870 B
Python
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#!/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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