#!/usr/bin/env python import cv2 if __name__ == '__main__': import sys try: fn = sys.argv[1] except: fn = '../data/fruits.jpg' img = cv2.imread(fn) if img is None: print 'Failed to load image file:', fn sys.exit(1) img2 = cv2.logPolar(img, (img.shape[0]/2, img.shape[1]/2), 40, cv2.WARP_FILL_OUTLIERS) img3 = cv2.linearPolar(img, (img.shape[0]/2, img.shape[1]/2), 40, cv2.WARP_FILL_OUTLIERS) cv2.imshow('before', img) cv2.imshow('logpolar', img2) cv2.imshow('linearpolar', img3) cv2.waitKey(0)