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Alright. Now it's time
for the assignment.

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So, the first assignment

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actually follows on
the first set of

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lectures and uses Pill
and the Pillow library.

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So I've done a bunch of

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digital photography
just as a hobby myself.

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Something I'm very
interested in is

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creating variations on images.

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So, I'll take a nice photo and I

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did some black and
white photography,

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and I wanted to see
that photo in sepia tones,

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so little browns or warm colors,

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where I wanted to see
it in cool gray tones,

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gives it a more
architectural feel,

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a more distant and it
changes the emotion.

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Even though it's
a black and white image,

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usually there's not
just black and white.

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This is interesting both in

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the images that we
can create digitally.

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But actually, this whole world of

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pigmentation and
color science as well,

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when it comes to actually
printing these kinds of images.

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So, in this assignment,

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I want you to improve upon

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the variations that we
did in the main lecture.

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So, we looked at
variations of brightness.

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But, I'm going to let you
dig a little bit further

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into this RGB setup of images.

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So in an image, a given pixel,

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one by one pixel can
be represented as red,

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green, and blue color channels.

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Those three things are mixed

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together to provide
an overall color.

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So, purple might have
a lot of red and a lot of

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blue in it and a little bit
of green for instance.

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So in this assignment,

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you're actually going to
manipulate those color channels

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directly and create
a contact sheet that

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shows us what some of
those manipulations look like.

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So, have some fun
with this assignment.

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I think you can explore
quite a bit about

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image and images in
this assignment.

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If you do any
digital photography,

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if you do stuff with
photoshop or the like,

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you'll probably enjoy
this assignment,

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and I'll see you next week
when we talk about

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Tesseract and optical
character recognition.