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comparison python/cvutils.py @ 545:9816fab353f3

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added function to undistort image, mostly for checking camera calibration results
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Tue, 08 Jul 2014 15:51:43 -0400
parents 749672171789
children b5525249eda1
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544:749672171789 545:9816fab353f3
392 except NameError: 392 except NameError:
393 return False 393 return False
394 savetxt('intrinsic-camera.txt', camera_matrix) 394 savetxt('intrinsic-camera.txt', camera_matrix)
395 return camera_matrix, dist_coeffs 395 return camera_matrix, dist_coeffs
396 396
397 def undistortImage(img, intrinsicCameraMatrix = None, distortionCoefficients = None, undistortedImageMultiplication = 1., interpolation=cv2.INTER_LINEAR):
398 '''Undistorts the image passed in argument'''
399 width = img.shape[1]
400 height = img.shape[0]
401 [map1, map2] = computeUndistortMaps(width, height, undistortedImageMultiplication, intrinsicCameraMatrix, distortionCoefficients)
402 return cv2.remap(img, map1, map2, interpolation=interpolation)
403
404
397 def printCvMat(cvmat, out = stdout): 405 def printCvMat(cvmat, out = stdout):
398 '''Prints the cvmat to out''' 406 '''Prints the cvmat to out'''
399 print('Deprecated, use new interface') 407 print('Deprecated, use new interface')
400 for i in xrange(cvmat.rows): 408 for i in xrange(cvmat.rows):
401 for j in xrange(cvmat.cols): 409 for j in xrange(cvmat.cols):