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RaspiCam fisheye calibration with OpenCV

Hello everyone, I am trying to calibrate RaspiCam Fisheye lens camera with OpenCV. I am using Python example code and the cheesboard row and column numbers are also correct but somehow I can not get a successful result. I have tested with a lso much of photos below you can see them. My source code: https://github.com/jagracar/OpenCV-python-tests/blob/master/OpenCV-tutorials/cameraCalibration/cameraCalibration.py

my chess board rows and columns: rows = 9, cols = 6

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but I can fail

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RaspiCam fisheye calibration with OpenCV

Hello everyone, I am trying to calibrate RaspiCam Fisheye lens camera with OpenCV. I am using Python example code and the cheesboard row and column numbers are also correct but somehow I can not get a successful result. I have tested with a lso much of photos below you can see them. My source code: https://github.com/jagracar/OpenCV-python-tests/blob/master/OpenCV-tutorials/cameraCalibration/cameraCalibration.py

my chess board rows and columns: rows = 9, cols = 6

image description

but I can fail does not get a successful result

image description

RaspiCam fisheye calibration with OpenCV

Hello everyone, I am trying to calibrate RaspiCam Fisheye lens camera with OpenCV. I am using Python example code and the cheesboard row and column numbers are also correct but somehow I can not get a successful result. I have tested with a lso much of photos below you can see them. My source code: https://github.com/jagracar/OpenCV-python-tests/blob/master/OpenCV-tutorials/cameraCalibration/cameraCalibration.py

my chess board rows and columns: rows = 9, cols = 6

image description

but does not get a successful result

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I found the solution. https://gist.github.com/mesutpiskin/0ced27981487491403610324fea55038

image description