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fixed examples for opencv 2.4.8

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This commit is contained in:
Matt Venn 2014-02-07 20:53:57 +00:00
parent 86b6c48712
commit a0bfdb9bf1
1 changed files with 4 additions and 5 deletions
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9
doc/py_tutorials/py_calib3d/py_calibration/py_calibration.rst
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@ -93,9 +93,8 @@ Once we find the corners, we can increase their accuracy using **cv2.cornerSubPi
objp = np.zeros((6*7,3), np.float32) objp = np.zeros((6*7,3), np.float32)
objp[:,:2] = np.mgrid[0:7,0:6].T.reshape(-1,2) objp[:,:2] = np.mgrid[0:7,0:6].T.reshape(-1,2)
# Arrays to store object points and image points from all the images. # Arrays to store object points
objpoints = [] # 3d point in real world space objpoints = [] # 3d point in real world space
imgpoints = [] # 2d points in image plane.
images = glob.glob('*.jpg') images = glob.glob('*.jpg')
@ -110,16 +109,16 @@ Once we find the corners, we can increase their accuracy using **cv2.cornerSubPi
if ret == True: if ret == True:
objpoints.append(objp) objpoints.append(objp)
corners2 = cv2.cornerSubPix(gray,corners,(11,11),(-1,-1),criteria) cv2.cornerSubPix(gray,corners,(11,11),(-1,-1),criteria)
imgpoints.append(corners2)
# Draw and display the corners # Draw and display the corners
img = cv2.drawChessboardCorners(img, (7,6), corners2,ret) cv2.drawChessboardCorners(img, (7,6), corners,ret)
cv2.imshow('img',img) cv2.imshow('img',img)
cv2.waitKey(500) cv2.waitKey(500)
cv2.destroyAllWindows() cv2.destroyAllWindows()
One image with pattern drawn on it is shown below: One image with pattern drawn on it is shown below:
.. image:: images/calib_pattern.jpg .. image:: images/calib_pattern.jpg