An inverse display color characterization model based on an optimized geometrical structure

Jean-Baptiste Thomas; Philippe Colantoni; Jon Y. Hardeberg; Irène Foucherot; Pierre Gouton

doi:10.1117/12.766487

28 January 2008 An inverse display color characterization model based on an optimized geometrical structure

Jean-Baptiste Thomas, Philippe Colantoni, Jon Y. Hardeberg, Irène Foucherot, Pierre Gouton

Proceedings Volume 6807, Color Imaging XIII: Processing, Hardcopy, and Applications; 68070A (2008) https://doi.org/10.1117/12.766487
Event: Electronic Imaging, 2008, San Jose, California, United States

Abstract

We have defined an inverse model for colorimetric characterization of additive displays. It is based on an optimized three-dimensional tetrahedral structure. In order to minimize the number of measurements, the structure is defined using a forward characterization model. Defining a regular grid in the device-dependent destination color space leads to heterogeneous interpolation errors in the device-independent source color space. The parameters of the function used to define the grid are optimized using a globalized Nelder-Mead simplex downhill algorithm. Several cost functions are tested on several devices. We have performed experiments with a forward model which assumes variation in chromaticities (PLVC), based on one-dimensional interpolations for each primary ramp along X, Y and Z (3×3×1-D). Results on 4 devices (2 LCD and a DLP projection devices, one LCD monitor) are shown and discussed.

Citation Download Citation

Jean-Baptiste Thomas, Philippe Colantoni, Jon Y. Hardeberg, Irène Foucherot, and Pierre Gouton "An inverse display color characterization model based on an optimized geometrical structure", Proc. SPIE 6807, Color Imaging XIII: Processing, Hardcopy, and Applications, 68070A (28 January 2008); https://doi.org/10.1117/12.766487

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