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    Pixel Values

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    Consider the 5x5 matrix with 4 bit numbers (shown in the attached file).

    Consider a color code of 4 colors: Black, Red, Yellow, and White.

    Assume that the 4 colors are used to represent the entire range of pixel values. Color the squares with the appropriate colors.

    © BrainMass Inc. brainmass.com October 10, 2019, 5:57 am ad1c9bdddf
    https://brainmass.com/physics/colour/pixel-values-522886

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    Range of (pixel) values with 4 bit numbers would be 0-15. However your color code consists of just 4 colors that are used to represent the entire range of pixel values. One way to achieve this would be to map a set of contiguous pixel values to single color value as shown below.

    Pixel Value -> Color Code Value
    0,1,2,3 -> 0
    4,5,6,7 -> 1
    8,9,10,11 -> 2
    12,13,14,15 -> 3

    Alternatively above mapping can be expressed as:

    Pixel Value -> Color Code Value
    0000 ...

    Solution Summary

    The solution explains in detail how the coloring of matrix is achieved.

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