... | @@ -6,9 +6,7 @@ Calibration options can be passed via command line to `ftl-calibrate`. Possible |
... | @@ -6,9 +6,7 @@ Calibration options can be passed via command line to `ftl-calibrate`. Possible |
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Intrinsic calibration parameters are stored in `~/.config/ftl/intrinsics.yml`. Intrinsic parameters do not change and it should not be necessary to re-calibrate once good calibration is acquired.
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Intrinsic calibration parameters are stored in `~/.config/ftl/intrinsics.yml`. Intrinsic parameters do not change and it should not be necessary to re-calibrate once good calibration is acquired.
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Intrinsic parameters are used to correct lens distortions, so it is important that the pattern is on as flat surface as possible (so distortion from board's shape is much less than lens distortion).
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Intrinsic parameters are used to correct lens distortions, so it is important that the pattern is on as flat surface as possible (so distortion from board's shape is much less than lens distortion).
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See also "*Lens Profile Creator Calibration Chart Shooting Quick Start Guide: 2. Capturing the Chart Images*"
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## Stereo calibration
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## Stereo calibration
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... | @@ -32,4 +30,5 @@ Parameters are stored in `~/.config/ftl/extrinsics.yml`. |
... | @@ -32,4 +30,5 @@ Parameters are stored in `~/.config/ftl/extrinsics.yml`. |
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* [calib.io: Pattern Generator](https://calib.io/pages/camera-calibration-pattern-generator), note the instructions on printing
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* [calib.io: Pattern Generator](https://calib.io/pages/camera-calibration-pattern-generator), note the instructions on printing
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* [OpenCV 4.1.0: Camera Calibration and 3D Reconstruction](https://docs.opencv.org/4.1.0/d9/d0c/group__calib3d.html)
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* [OpenCV 4.1.0: Camera Calibration and 3D Reconstruction](https://docs.opencv.org/4.1.0/d9/d0c/group__calib3d.html)
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* [OpenCV:
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* [OpenCV:
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Interactive camera calibration application](https://docs.opencv.org/4.1.0/d7/d21/tutorial_interactive_calibration.html) |
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Interactive camera calibration application](https://docs.opencv.org/4.1.0/d7/d21/tutorial_interactive_calibration.html)
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* Lens Profile Creator Calibration Chart Shooting Quick Start Guide |
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