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January 23, 2009 by Miss Cellania | 3 comments
By Miss Cellania
Contributing Writer, [GAS]
iPhone cameras apparently scan left to right, which makes no difference for most pictures, but when you have a fast-moving object such as a propeller, you can get a really weird effect. See more of the same in photos here, here, here, and here. Or even in this video taken with a Treo.
It’s the weirdest thing I’ve seen since the video frame rate synched up perfectly for this helicopter.
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Hey – thanks for the link to my video – cool pic and article. Cameras sure do weird things sometimes!
Cool video, thanks!
FYI, this effect (the creation of artifacts inconsistent with the reality of the subject being recorded) is called “aliasing”, and it happens any time you are doing sampling of an input, be it video, still imaging, or audio, for example.