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Ruben van de Ven 2024-11-19 21:27:50 +01:00
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@ -6,7 +6,7 @@ _See also [trap](https://git.rubenvandeven.com/security_vision/trap)_
Find the camera intrinsics and lens distortion matrixes. This helps to remove curvature from the image, and points map to a linear space.
## 02. Test Calibration and draw points
## 2. Test Calibration and draw points
Apply the now obtained camera matrix to undistort a snapshot. Check if it looks good.
@ -16,7 +16,7 @@ Then with a camera snapshot of these points, click with the cursor in the source
This is saved to `points.json`. If this is right, rename it to `img_points.json` for the homography.
## 2. Homography
## 3. Homography
Having the camera intrinsics, the perspective of the camera can be undone by mapping points to a 'top down' space. This way, the distances between points is in accordance to their distance IRL.