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논문 기본 정보

자료유형
학술대회자료
저자정보
Khalil Huraibat (University of Alicante) Esther Perales (University of Alicante) Eric Kirchner (Color Research, AkzoNobel Performance Coatings, Sassenheim, THE NETHERLANDS) Ivo van der Lans (Color Research, AkzoNobel Performance Coatings, Sassenheim, THE NETHERLANDS) Alejandro Ferrero (Instituto de Óptica, Consejo Superior de Investigaciones Científicas) Joaquín Campos (Instituto de Óptica, Consejo Superior de Investigaciones Científicas) Francisco Miguel Martínez-Verdúa (Instituto de Óptica, Consejo Superior de Investigaciones Científicas)
저널정보
한국색채학회 AIC 2017 Jeju 2017 AIC CONGRESS
발행연도
2017.10
수록면
527 - 530 (4page)

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초록· 키워드

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Digital simulation by rendering gonio-apparent objects it becomes a necessity due to the huge impact is giving day by day in different industries. However, in a recent publication, the limitations of a conventional LCD display for this goal was shown, since many visual attributes of goniochromatic coatings fall outside the color-gamut of this type of electronic display. Consequently, gamut-mapping algorithms, new extended RGB color spaces and/or multi-primaries displays are necessary to reproduce faithfully the colorimetric properties of these materials. Recently, quantum dots (QD) displays appeared in the market with attractive characteristics. QD are semiconductor nanocrystals that provide lifelike colors in an energy-efficient way. Thus, a wide color gamut is achieved. Therefore, a proper color characterization and calibration of this type of displays is needed. For this study, a spectral and color characterization of a QD display is performed. For this purpose, the spectral radiance of a set of images was displayed on a QD display and measured by a tele-spectroradiometer. As results, a good chromaticity constancy of primaries was obtained after black correction is applied. It was checked that this display satisfies channel additivity and the electro-optical transfer function for the three channels can be modelled as a power function. The GOG model was found to well characterize this display. Color reproduction was evaluated in terms of CIEDE2000. The computed CIELAB values of a set of images differ from their objects’ coordinates by an average value of ΔΕ00 = 1.07. Therefore, we conclude that the accuracy obtained with the GOG model is sufficient to get good performance in 3D rendering. On another hand, the spatial uniformity of the display is checked. The display shows poor spatial uniformity in terms of luminance, while the uniformity considering chromatic values shows much better results.

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ABSTRACT
INTRODUCTION
THEORY
EXPERIMENTAL
RESULTS AND DISCUSSION
CONCLUSION
REFERENCES

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