Easy-to-use calibration of multiple-camera setups

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@INPROCEEDINGS{kahlesz-2007-easy-to-use,
      author = {Kahlesz, Ferenc and Lilge, C. and Klein, Reinhard},
       title = {Easy-to-use calibration of multiple-camera setups},
   booktitle = {Workshop on Camera Calibration Methods for Computer Vision Systems (CCMVS2007)},
        year = {2007},
       month = mar,
    abstract = {Calibration of the pinhole camera model has a well–established theory, especially in the presence
                of a known calibration object. Unfortunately, in wide-base multi–camera setups, it is hard to
                create a calibration object, which is visible by all the cameras simultaneously. This results in the
                fact that conventional calibration methods do not scale well. Using well-known algorithms, we
                developed a streamlined calibration method, which is able to calibrate multi–camera setups only
                with the help of a planar calibration object. The object does not have to be observed by at the same
                time by all the cameras involved in the calibration. Our algorithm
                breaks down the calibration into four consecutive steps: feature extraction, distortion correction,
                intrinsic and finally extrinsic calibration. We also made the implementation of the presented method
                available from our website.},
  conference = {Workshop on Camera Calibration Methods for Computer Vision Systems (CCMVS2007)}
}