We looked at some more at the RGB colour system. Then we examined the Lab colour system and saw how subsampling the colour comment of an image was not as noticeable as subsampling the luminance component.
We looked at the CMYK system used in printing.
[Recoding failed]
I spoke a bit about image compression. I explained image subsampling and interpolation.
We began to look at pixel depth reduction when my laptop failed. We will pick up again from this point in the next class.
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