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Volume: 10 | Article ID: art00018
Non-Contact Colorimeter for Human Tooth Color Assessment Using A Digital Camera
  DOI :  10.2352/CIC.2002.10.1.art00018  Published OnlineJanuary 2002

Wu et al developed model-based and regression-based colorimeters in their paper entitled Imaging colorimetry using a digital camera. They found that the regression-based system worked better than the model-based system. In this work, we modify their regression-based model slightly to improve the system performance. We also present another regression-based model that is capable of recovering the spectral reflectance of teeth. Both models are realized and evaluated clinically.

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Du-Yong Ng, Jan P. Allebach, Mostofa Analoui, Zygmunt Pizlo, "Non-Contact Colorimeter for Human Tooth Color Assessment Using A Digital Camerain Proc. IS&T 10th Color and Imaging Conf.,  2002,  pp 86 - 92,

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