On
Compression went on to explain Discrete Cosine Transform (DCT) , how they
save space, and how they work. I actually found this article pretty
interesting, because I had no idea what a JPEG actually was other than a way to
a file. And before this article I have never even heard of a DCT.
I liked how Arcangel went through
the past couple decades and said what was mostly used during each of the
decades. And to go more into detail Arcangel explained JEPGs and how they work.
In high school I took a graphic arts class, and my teacher always tried to
emphasize how we needed clear images.
I knew that the size of the images matter, but I never knew everything
else that went on behind it too.
Now it makes sense how JPEGs are designed to save in blocks and that’s
why these images always look blocky.
And then goes on to say how DCTs
are better than JPEGs because it has a different way of storing the information
than the JPEGs. This all demonstrates how technology keeps getting more and
more advanced. JPEGs are something
that is used very often in a lot of people’s lives, and it is interesting to
think that in the near future, we will be using DCTs or maybe something even
more advanced. It makes you wonder what technology the future will have.
Lastly, I enjoyed this article
because I send files and save them all the time, but I’ve never actually took
the time to know exactly what was going on behind it all. On Compression, did a good job of explaining DCTs and files in
general so that anyone can understand it. It also made me appreciate everything
that goes on to just compress or save a file a lot more.
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