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comparison scripts/compute-homography.py @ 773:bf4a1790cfac dev

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minor bug and improvements
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Mon, 01 Feb 2016 16:10:26 -0500
parents 0421a5a0072c
children 1fdafa9f6bf4
comparison
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772:e92a96f2bdd3 773:bf4a1790cfac
98 [map1, map2] = cvutils.computeUndistortMaps(videoImg.shape[1], videoImg.shape[0], args.undistortedImageMultiplication, np.loadtxt(args.intrinsicCameraMatrixFilename), args.distortionCoefficients) 98 [map1, map2] = cvutils.computeUndistortMaps(videoImg.shape[1], videoImg.shape[0], args.undistortedImageMultiplication, np.loadtxt(args.intrinsicCameraMatrixFilename), args.distortionCoefficients)
99 videoImg = cv2.remap(videoImg, map1, map2, interpolation=cv2.INTER_LINEAR) 99 videoImg = cv2.remap(videoImg, map1, map2, interpolation=cv2.INTER_LINEAR)
100 print('Click on {0} points in the video frame'.format(args.nPoints)) 100 print('Click on {0} points in the video frame'.format(args.nPoints))
101 plt.figure() 101 plt.figure()
102 plt.imshow(videoImg) 102 plt.imshow(videoImg)
103 plt.tight_layout()
103 videoPts = np.array(plt.ginput(args.nPoints, timeout=3000)) 104 videoPts = np.array(plt.ginput(args.nPoints, timeout=3000))
104 print('Click on {0} points in the world image'.format(args.nPoints)) 105 print('Click on {0} points in the world image'.format(args.nPoints))
105 plt.figure() 106 plt.figure()
106 plt.imshow(worldImg) 107 plt.imshow(worldImg)
108 plt.tight_layout()
107 worldPts = args.unitsPerPixel*np.array(plt.ginput(args.nPoints, timeout=3000)) 109 worldPts = args.unitsPerPixel*np.array(plt.ginput(args.nPoints, timeout=3000))
108 plt.close('all') 110 plt.close('all')
109 homography, mask = cv2.findHomography(videoPts, worldPts) 111 homography, mask = cv2.findHomography(videoPts, worldPts)
110 # save the points in file 112 # save the points in file
111 f = open('point-correspondences.txt', 'a') 113 f = open('point-correspondences.txt', 'a')