Aliasing in Digital Photography Explained

Posted: January 26, 2011 in Photography
Tags: , , ,

Aliasing and Anti-aliasing Examples

If there’s one thing that digital photography has no shortage of, it’s confusing vocabulary words. Aliasing, which is a common word in the world of digital everything (video games, CGI, photography), is one of those words that everyone has heard, but may not quite understand. And the anti-aliasing feature found on many digital cameras doesn’t do much to explain why you should use it. Not to worry though, for anti-aliasing is no where near as complicated as it may sound.

The Basics About Pixels

Most digital images are made up of square units known as pixels. If you take any of your digital photographs and zoom in a few times, you will notice that the closer you get, the more blocky the image appears. This blocky appearance is the result of the individual pixels becoming more pronounced as the digital image is increased in size. [read]

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