A Model for Simulation of Color Vision Deficiency and A Color Contrast Enhancement Technique for Dichromats

  • Gustavo M. Machado UFRGS
  • Manuel M. Oliveira UFRGS

Resumo


We present the first model in the literature for simulating human color perception that consistently accounts for normal color vision and for the most prevalent cases (99.96% of all cases) of color vision deficiency. We also present an automatic image-recoloring technique for enhancing color contrast for dichromats that is up to two orders of magnitude faster than previous approaches and, due to its time coherence, is the first technique suitable for realtime video recoloring for dichromats. Finally, we introduce a metric for estimating the loss of color contrast experienced by individuals with color vision deficiency (CVD), or resulting from image recoloring. Together, these results contribute for a better understanding of CVD and for improving the quality of life of the affected individuals.

Palavras-chave: Models of Color Vision, Color Perception, Simulation of Color Vision Deficiency, Image and Video Recoloring, Visualization

Referências

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Lee, J. and dos Santos, W. P. (2011). An adaptive fuzzy-based system to simulate, quantify and compensate color blindness. Integr. Comput.-Aided Eng., 18:29–40.

Machado, G. M. (2010). A physiologically-based model for simulation of color vision deficiency and real-time temporal-coherent color contrast enhancement for dichromats. Master’s thesis, UFRGS, Porto Alegre, Brazil.

Machado, G. M. and Oliveira, M. M. (2010). Real-time temporal-coherent color contrast enhancement for dichromats. Computer Graphics Forum, 29(3):933–942.

Machado, G. M., Oliveira, M. M., and Fernandes, L. A. F. (2009). A physiologically-based model for simulation of color vision deficiency. IEEE Transactions on Visualization and Computer Graphics, 15(6):1291–1298.

Meyer, G. W. and Greenberg, D. P. (1988). Color-defective vision and computer graphics displays. IEEE Comput. Graph. Appl., 8(5):28–40.

Rasche, K., Geist, R., and Westall, J. (2005). Re-coloring images for gamuts of lower dimension. Comput. Graph. Forum, 24(3):423–432.
Publicado
19/07/2011
MACHADO, Gustavo M.; OLIVEIRA, Manuel M.. A Model for Simulation of Color Vision Deficiency and A Color Contrast Enhancement Technique for Dichromats. In: CONCURSO DE TESES E DISSERTAÇÕES (CTD), 24. , 2011, Natal/RN. Anais [...]. Porto Alegre: Sociedade Brasileira de Computação, 2011 . p. 10-15. ISSN 2763-8820.