I can’t see you – it’s too loud in here.

The following post is pretty technical, so I posted it to my technical blog so as not to bore you, but if you are interested, I’m sure you enjoy it!

Fluffy and Flakey

Once upon a time I started to write a post about some night astrophotography I made and before I could post it, the whole thing blew up into an excruciatingly long and technical exposé. This is thus the first post in a series on what I call computational photography, one of my favorite activities with my camera.

I can’t help it – I’m an engineer (yes, you’re born that way, and yes, this Dilbert cartoon is exactly how it goes down in the ER).

What this means is that when I take a picture with my camera, I see numbers. Today’s discussion is about the difference between wanted and unwanted numbers. In this case, we will call the wanted numbers a signal, and the unwanted numbers noise. These are terms from the world of signal processing, which is oh so exciting!

Okay, what is noise and why…

View original post 690 more words

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