Question

Explain need of color models. Compare YIQ and HIS color models.

Answer 1

A color model uses three primary colors to produce a wider array of colors. The range of colors a color model can produce is called a color space.

As compared to specifying the three primaries individually, which is what happened in RGB and CMY(K), and also with different primaries in the CIE system, both HSV and HLS specify the hue with a single parameter, and then the saturation and intensity through two other parameters

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