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Volume: 13 | Article ID: art00037
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Nonlinear RGB-to-XYZ Mapping for Device Calibration
  DOI :  10.2352/CIC.2005.13.1.art00037  Published OnlineJanuary 2005
Abstract

We introduce a new non-linear method for RGB-to-XYZ color calibration based on the technique of thin plate splines. Originally, thin plate splines were designed for deformable matching between 2-dimensional images for object recognition. We use 3-dimensional thin plate splines to map between sets of RGB device coordinates and corresponding sets of CIE XYZ coordinates. Tests calibrating several displays as well as a camera show thin plate spline calibration to be more accurate than existing linear or non-linear calibration methods.

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Weihua Xiong, Brian Funt, "Nonlinear RGB-to-XYZ Mapping for Device Calibrationin Proc. IS&T 13th Color and Imaging Conf.,  2005,  pp 200 - 204,  https://doi.org/10.2352/CIC.2005.13.1.art00037

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