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Volume: 11 | Article ID: art00045
A Neutral Axis Calibration Method Using 3D Inverse Interpolation
  DOI :  10.2352/CIC.2003.11.1.art00045  Published OnlineJanuary 2003

Human visual system is very sensitive to the color variation near the neutral axis. This makes the neutral axis calibration critical for color printers. For a photo printer, the neutral axis calibration is even more important, because people often use color printer to print black and white photos.This paper presents a neutral axis calibration method based on 3D inverse interpolation. We show at first how to define the neutral axis, a CIELAB goal is defined for each RGB input located in the neutral axis. Then we describe how to design a color target and how to select near neutral colors for the purpose of measurement. Finally, we present an inverse 3D interpolation algorithm which can calibrate very accurately the neutral colors for a printer.

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Yifeng Wu, "A Neutral Axis Calibration Method Using 3D Inverse Interpolationin Proc. IS&T 11th Color and Imaging Conf.,  2003,  pp 261 - 265,

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