OpenCV Basics - 20 - Load Camera Matrix
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- Опубліковано 6 бер 2017
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In this video we load back in our camera matrix that we saved out previously. I make a few small changes to the save method, which I freely admit I messed up before.
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This should be the penultimate video in the OpenCV Basics series but you must have forgot to add it to the playlist. Just thought you ought to know.
Thanks again for all these tutorials!! You've been a huge help!
double read = 0.0f;
"f" stands for "float". Use just '0.0'. Great tutorial btw, thanks!
+plastmasska I knkw, it is just habit.
in line 177,it should be cameraMatrix = Mat(Size( rows, columns ) , CV_64F);
in your video,the position of rows ad columns are not right.
Thanks for your video,it really helps me.
Yes, I noticed that too. Thanks anyway :)
Thank you again.
Could you explain how to recover the overall camera pose from landmarks?
George,
Can you post code for each video to GitHub?
Thx for the great tutorial. My main is like load camera matrix followed by the aruco tracking function. The window for the Webcam appears but if i show the camera a marker this error message terminate my program terminate called after throwing an instance of 'cv::Exception'
what(): OpenCV(4.2.0) ../modules/calib3d/src/calibration.cpp:1069: error: (-215:Assertion failed) CV_IS_MAT(objectPoints) && CV_IS_MAT(imagePoints) && CV_IS_MAT(A) && CV_IS_MAT(rvec) && CV_IS_MAT(tvec) in function 'cvFindExtrinsicCameraParams2'
Can someone help me here?
thx