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→Lecture
Text in a raster image is not the same as the same text in a text file. To convert rasterised text to computer text OCR is needed. The quality of current systems isn't that great.
== Photography ==
I will talk in class a little about the basics of photography, including:
http://en.wikipedia.org/wiki/Shutter_%28photography%29
http://en.wikipedia.org/wiki/Exposure_%28photography%29
http://en.wikipedia.org/wiki/Shutter_speed
http://en.wikipedia.org/wiki/Aperture
http://en.wikipedia.org/wiki/Depth_of_field
== Degree Students ==
The point of using layers is that you can combine them into one image but still make changes to the individual components. This is a very powerful tool mostly used by graphics experts but it's useful even for some simple tasks.
= Links =
