Image processing is a somewhat broad term in modern IT that refers to using various means to process or enhance images. Many definitions of this term specify mathematical operations or algorithms as tools for the processing of an image.
The RGB color model relates very closely to the way we perceive color with the r, g & b receptors in our retinas. RGB uses additive color mixing & is the basic color model used in television or any other medium that projects color with light. It is the basic color model used in computers and for web graphics, but it cannot be used for print production.
The secondary colors of RGB – cyan, magenta, and yellow – are formed by mixing two of the primary colors (red, green or blue) & excluding the third color. Red & green combine to make yellow, green & blue to make cyan, and blue & red form magenta. The combination of red, green & blue in full intensity makes white.
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