FIG. 1. Hue-shift methods for color-emotion experiments for CDOs.
FIG. 2. Images manipulated using the hue-shift methods for color-emotion experiments.
FIG. 3. Method to calculate color-perception difference between color-normal and color-deficient observers.
FIG. 4. Color-perception comparison between the colornormal and the color- deficient in the CIELAB a*b* plane.
FIG. 5. Comparison of perceived CIELAB hue angle between color-normal and color-deficient observers.
FIG. 6. Calculated YCC_Hue angle differences and YCC_Chroma_ratio for protanomaly.
FIG. 7. Calculated YCC_Hue angle differences and YCC_Chroma_ratio for deuteranomaly.
FIG. 8. YCC_Hue angle differences and YCC_Chroma_ratio modeling for protanomaly.
FIG. 9. YCC_Hue angle Differences and YCC_Chroma_ratio modeling for deuteranomaly.
FIG. 10. Flowchart of flexible color-enhancement algorithm for CDOs.
FIG. 11. Examples of images manipulated using the proposed algorithm.
TABLE 1. Experimental color-emotion results for deuteranomaly
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