Camera Calibrator app rotation matrix?
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I've been dealing with photogrammetry problems. I need to know which is the rotation sequence adopted by the camera calibration app in order to evaluate the Euler's angle of the camera. I read that in photogrammetry the standard should be 1-2-3 but results don't make sense to me. Thank you so much.
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Ankit Bhardwaj
2017-4-26
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The rotation matrix together with the translation vector allows you to transform points from the world coordinate to the camera coordinate system. Please go through the following documentation to learn how extrinsics are calculated.
https://www.mathworks.com/help/releases/R2017a/vision/ref/extrinsics.html#bt9eb6w-5
The extrinsics function computes the rotation matrix and translation vector for a single image in closed form. During calibration, the extrinsics are estimated numerically to minimize the reprojection errors for all calibration images.
The following documentation might also be useful if you want estimate the accuracy of camera parameters estimated using cameraCalibrator app.
https://www.mathworks.com/help/releases/R2017a/vision/examples/evaluating-the-accuracy-of-single-camera-calibration.html
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