Opencv 3.0 Assertion failed [closed]

asked 2015-07-31 04:43:13 -0500

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updated 2015-07-31 10:10:41 -0500

After roslaunch monocular_pose_estimator demo.launch

OpenCV Error: Assertion failed (CV_IS_MAT(_cameraMatrix) && _cameraMatrix->rows == 3 && _cameraMatrix->cols == 3) in cvUndistortPoints, file /home/tuuzdu/tmp/opencv-3.0.0/modules/imgproc/src/undistort.cpp, line 288
terminate called after throwing an instance of 'cv::Exception'
what(): /home/tuuzdu/tmp/opencv-3.0.0/modules/imgproc/src/undistort.cpp:288: error: (-215) CV_IS_MAT(_cameraMatrix) && _cameraMatrix->rows == 3 && _cameraMatrix->cols == 3 in function cvUndistortPoints

What is mean CV_IS_MAT?

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Closed for the following reason OpenCV Question: THe OpenCV community prefers to answer questions at: http://answers.opencv.org/questions/ by tfoote
close date 2017-04-15 03:01:44.943126

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Did you solve this issue? I am getting the exact same error, when I use : cv2.undistortPoints(src_norm_mat, dst_norm_mat, cameraMatrix, distCoeffs, Mat, newCameraMatrix)

cameraMatrix is 3x3. But I have save as a numpy array.

vivekp ( 2016-06-06 08:58:28 -0500 )edit

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It calls like trackable_object_.camera_matrix_K_ = cv::Mat(3, 3, CV_64F); I rewrite undistort.cpp with CV_Assert( CV_IS_MAT(_cameraMatrix) ); and with CV_Assert( _cameraMatrix->rows == 3 && _cameraMatrix->cols == 3 ); I got "Assertion failed" only with CV_IS_MAT(_cameraMatrix)

tuuzdu ( 2015-07-31 12:00:28 -0500 )edit

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Opencv 3.0 Assertion failed [closed]

Closed for the following reason OpenCV Question: THe OpenCV community prefers to answer questions at: http://answers.opencv.org/questions/ by tfoote
close date 2017-04-15 03:01:44.943126

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Opencv 3.0 Assertion failed [closed] edit

Closed for the following reason OpenCV Question: THe OpenCV community prefers to answer questions at: http://answers.opencv.org/questions/ by tfoote close date 2017-04-15 03:01:44.943126

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Opencv 3.0 Assertion failed [closed]

Closed for the following reason OpenCV Question: THe OpenCV community prefers to answer questions at: http://answers.opencv.org/questions/ by tfoote
close date 2017-04-15 03:01:44.943126