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Calibration: Difference between revisions
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This page shall help to define a calibration procedure. Please add your knowledge. | This page shall help to define a calibration procedure. Please add your knowledge. | ||
Revision as of 18:28, 2 December 2010
This page shall help to define a calibration procedure. Please add your knowledge.
Things to calibrate
- nonlinear effects for both cameras:
- radial distortion On Wikipedia
- tangential distortion (sensor chip not parallel)
- rotational errors (sensor rotated on image plane)
- Intrinsics matrix for both: Video camera & Depth Camera
- Extrinsics matrix for both: Video camera & Depth Camera
- Registration of both cameras
- Rotational tolerances
- ?
Questions to answer
- Which parameters change much between different devices,
- Which change minor (and can be set constant?)
- Are routines to calculate parameters needed, or could a seperate application be used (based on OpenCV, for example)
Links
- Calibration based on libfreenect and rgbdemo (Nicolas Burrus):
- About Xbox calibration
