If you've used digital cameras for a while, you may have come across the word interpolation.
Interpolation is a term used to describe a method to increase the size of pixels within an image. It is commonly used to increase the overall size of an image. Some digital cameras use interpolation to create digital zoom, but it is more commonly used in camera imaging software.
Several different types of interpolation are used with digital cameras and digital photography. To answer the question -- what is interpolation -- just click the link and read an article by About.com Cameras writer Jo Plumridge.
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