The measurement of tooth whiteness by image analysis and spectrophotometry: a comparison.

@article{Guan2005TheMO,
  title={The measurement of tooth whiteness by image analysis and spectrophotometry: a comparison.},
  author={Yue Guan and Darren L Lath and Terence H. Lilley and Derrick Robert Willmot and Ian David Marlow and Alan Henry Brook},
  journal={Journal of oral rehabilitation},
  year={2005},
  volume={32 1},
  pages={
          7-15
        }
}
Digital image capturing and analysis techniques have been used to measure the colour of teeth and to compare with spectrophotometric results and visual observations. A non-linear image analysis approach was developed and, for the colour range of human teeth, allows device-dependant digital camera colour data to be quantitatively transformed to Commission Internationale de l'Eclairage (CIE) colorimetric values. With reference to a CIE standard illuminant, two different lighting arrays have been… CONTINUE READING
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