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Issue calibrating fisheye camera (-215:Assertion failed) fabs(norm_u1) > 0 in function 'InitExtrinsics'
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7
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4139
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November 5, 2025
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Fisheye Stereo ChAruco calibration
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2
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273
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April 17, 2025
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Problems with fisheye stereo calibration
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1
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376
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February 12, 2025
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Opencv:abs_max < threshold in function 'cv::fisheye::stereoCalibrate'
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1
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1030
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October 22, 2024
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Extremely high reprojection error but good undistorted image
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5
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1207
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October 2, 2024
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Fisheye undistortion
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3
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222
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September 9, 2024
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Trying to calibrate Allsky camera using fisheye calibration (fails)
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1
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164
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July 11, 2024
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Disparity Map Nonsense - Why?
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5
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683
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March 3, 2024
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Distort fisheye lens images with asymmetric_grid
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4
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221
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February 22, 2024
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What causes the zigzag wavy lines after using the remap function?
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5
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748
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December 1, 2023
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Fisheye undistortImage and undistortPoints appear inconsistent?
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6
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4399
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October 14, 2023
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Fisheye:stereocalibration gives error
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0
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447
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May 30, 2023
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Issue with cv2.fiseye.calibrate :fisheye.cpp:742: error: (-215:Assertion failed) objectPoints.type() == CV_32FC3 || objectPoints.type() == CV_64FC3 in function 'calibrate'
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8
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4685
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April 28, 2023
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Question about initUndistortRectifyMap & remap function
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2
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1120
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April 7, 2023
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Fisheye calibration algorithm
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0
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485
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August 9, 2022
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Finding circle grid failing when blob detector succsed
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3
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728
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June 30, 2022
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Fisheye stereo calibration
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0
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983
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June 3, 2022
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A formula of official documentation and source code are different
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1
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500
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December 3, 2021
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How to calculate field of view with rational calibration model
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6
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3884
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December 1, 2021
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Odd result on cv::fisheye::undistortPoints
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1
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1014
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October 26, 2021
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How to add Fisheye Camera Model Distortion to a undistorted image?
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0
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766
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October 21, 2021
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Camera calibration for fisheye lense
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6
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5196
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October 21, 2021
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Calculate X Y in mm with known Z
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2
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933
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October 21, 2021
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OpenCV Fisheye Calibration FOV 220
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4
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2802
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September 18, 2021
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Result different between opencv 3.3 and opencv 4.1
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7
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586
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September 6, 2021
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UndistortPoints: Input != Output when distortionCoeffs = [0,0,0,0]
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3
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790
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July 19, 2021
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Undistort function is cropping photo
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4
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3638
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July 9, 2021
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Fisheye Chess calibration with fix pixel aspect ration of 1 - HOW?
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0
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561
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May 19, 2021
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How Undistort Fisheye Image
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2
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3020
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March 14, 2021
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Stereo Rectification shows a black and a gray image?!
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0
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1086
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February 6, 2021
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