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UV -Chrominance
Components. Luminance component contains the black and white or
grayscale information. The chrominance component contains color
information where U is red minus cyan and V is magenta minus green.
YUV Model for JPEG
The JPEG compression scheme uses several stages.
The first stage converts the signal from the spatial RGB domain to the YUV
frequency domain by performing discrete cosine transform. This process
allows separating luminance or Gray-scale components from the
chrominance components of the image.
