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fisheye.cpp:424: error: (-215) (K.depth() ...can anyone know the solution? [closed]

asked 2017-06-22 11:32:36 -0600

quadro gravatar image

Hi,

I tried a OpenCV Aruco board project in Python; https://github.com/LongerVision/OpenC...

And I got the error below;

"map1, map2 = cv2.fisheye.initUndistortRectifyMap(camera_matrix, dist_coeffs, r, new_camera_matrix, image_size, cv2.CV_16SC2) cv2.error: C:\projects\opencv-python\opencv\modules\calib3d\src\fisheye.cpp:424: error: (-215) (K.depth() == CV_32F || K.depth() == CV_64F) && (D.depth() == CV_32F || D.depth() == CV_64F) in function cv::fisheye::initUndistortRectifyMap"

And this was the problematic line; map1, map2 = cv2.fisheye.initUndistortRectifyMap(camera_matrix, dist_coeffs, r, new_camera_matrix, image_size, cv2.CV_16SC2)

Anyone know solutions to fix it?

Thank you very much!

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Closed for the following reason the question is answered, right answer was accepted by quadro
close date 2020-04-01 07:36:03.389322

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what are camera_matrix, dist_coeffs ? it complains about the wrong type of those.

berak gravatar imageberak ( 2017-06-22 11:37:42 -0600 )edit
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Yes, this is the problem, but I don't know what is this files;Here load the files, but I just find one in the directory;

# Load Calibrated Parameters
calibrationFile = "C:\Users\gergely\Desktop\kiserlet\python\OpenCV_Examples-master\OpenCV_Examples-master\01_internal_camera_calibration\calibration.yaml"
calibrationParams = cv2.FileStorage(calibrationFile, cv2.FILE_STORAGE_READ)
camera_matrix = calibrationParams.getNode("cameraMatrix").mat()
dist_coeffs = calibrationParams.getNode("distCoeffs").mat()
And I printed out;
"calibrationParams = <FileStorage 026640D0>
camera_matrix = None
dist_coeffs = None

Thanks you!

quadro gravatar imagequadro ( 2017-06-22 12:10:01 -0600 )edit

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answered 2017-06-22 12:15:53 -0600

berak gravatar image

updated 2017-06-22 12:21:51 -0600

try to replace \ with / in the path to calibration file, it probably did not read it. also, the node names are: "camera_matrix" and "dist_coeffs", see here

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Asked: 2017-06-22 11:32:36 -0600

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Last updated: Jun 22 '17