init - 初始化项目
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Create calibration pattern {#tutorial_camera_calibration_pattern}
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=========================================
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@tableofcontents
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@next_tutorial{tutorial_camera_calibration_square_chess}
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| | |
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| -: | :- |
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| Original author | Laurent Berger |
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| Compatibility | OpenCV >= 3.0 |
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The goal of this tutorial is to learn how to create calibration pattern.
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You can find a chessboard pattern in https://github.com/opencv/opencv/blob/master/doc/pattern.png
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You can find a circleboard pattern in https://github.com/opencv/opencv/blob/master/doc/acircles_pattern.png
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Create your own pattern
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---------------
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Now, if you want to create your own pattern, you will need python to use https://github.com/opencv/opencv/blob/master/doc/pattern_tools/gen_pattern.py
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Example
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create a checkerboard pattern in file chessboard.svg with 9 rows, 6 columns and a square size of 20mm:
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python gen_pattern.py -o chessboard.svg --rows 9 --columns 6 --type checkerboard --square_size 20
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create a circle board pattern in file circleboard.svg with 7 rows, 5 columns and a radius of 15mm:
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python gen_pattern.py -o circleboard.svg --rows 7 --columns 5 --type circles --square_size 15
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create a circle board pattern in file acircleboard.svg with 7 rows, 5 columns and a square size of 10mm and less spacing between circle:
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python gen_pattern.py -o acircleboard.svg --rows 7 --columns 5 --type acircles --square_size 10 --radius_rate 2
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If you want to change unit use -u option (mm inches, px, m)
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If you want to change page size use -w and -h options
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@cond HAVE_opencv_aruco
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If you want to create a ChArUco board read @ref tutorial_charuco_detection "tutorial Detection of ChArUco Corners" in opencv_contrib tutorial.
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@endcond
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@cond !HAVE_opencv_aruco
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If you want to create a ChArUco board read tutorial Detection of ChArUco Corners in opencv_contrib tutorial.
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@endcond
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