@phdthesis{Beyeler2011,
  type      = {Master Thesis},
  author    = {Michelle Beyeler},
  title     = {Three channel photometric stereo},
  url       = {https://nbn-resolving.org/urn:nbn:de:bsz:840-opus-254},
  year      = {2011},
  abstract  = {This thesis presents a photmetric stereo method based on the work of Schulze [35], who in turn extended the research of Schroeder et al. [33,34] In this approach, three different lightings are obtained by illuminating the object by three colored light sources (red, green and blue). A video of the subject is captured from the front, the back and the side. The single frames are then extracted from the viedo, which are used for the 3D reconstruction of the subject. The aim of this work was to improve the presented method of Schulze with real patient subjects by getting a better sphere calibration and changing some parameters in the patient processing. As the graphical interface was implemented for persons with a technical background, it has been changed to become also more convenient to use for non-technically oriented staff},
  language  = {en}
}