title: Optimizing color reproduction of a topometric measurement system for medical applications.
abstract: Integration of color information in 3D models acquired with a topometric measurement system opens a wide field of applications in medicine, e.g. prosthetics. To ensure an accurate and reliable color reproduction in a 3D topometric measurement system, different approaches have been evaluated. These techniques focus on the calibration of the CCD camera using color test charts by applying a polynomial regression method as well as numerical methods to compensate an intensity decay of the illumination in 3D datasets which is caused by varying distances and orientations of the measured object with respect to the light source. The methods presented in this contribution have been applied to a topometric measurement system with one-chip color CCD cameras. An enhanced color reproduction of various objects is demonstrated.
authors.affiliation: Laboratory of Biophysics, University of Muenster, D-48129 Muenster, Germany.
authors.forename: Matthias
authors.initials: M
authors.lastname: Westhäuser
authors.forename: Guido
authors.initials: G
authors.lastname: Bischoff
authors.forename: Zoltan
authors.initials: Z
authors.lastname: Böröcz
authors.forename: Johannes
authors.initials: J
authors.lastname: Kleinheinz
authors.forename: Gert
authors.initials: G
authors.lastname: von Bally
authors.forename: Dieter
authors.initials: D
authors.lastname: Dirksen
mesh_terms: D000465:Algorithms; D003116:Color; D003124:Colorimetry / Q000379:methods*; D046169:Dermoscopy / Q000379:methods*; D006801:Humans; D007089:Image Enhancement / Q000379:methods*; D007090:Image Interpretation, Computer-Assisted / Q000379:methods*; D012867:Skin / Q000033:anatomy & histology* / Q000503:physiopathology*