How to export non-blurry eps images?

Question

I\'m exporting an image in Matlab using the eps format, but it smooths the image. Matlab does not blur the image using other formats such as png. I would like to know how to

Answer 1

A note regarding Yoda's answer: in Preview in Mac OS X, you can make the thin white diagonal lines across each of the squares disappear by unchecking "Anti-alias text and screen art". Of course, the downside is that then any text (e.g. figure axes, etc) is not anti-aliased. Unfortunately, unchecking that has no effect on blurriness if you're using imagesc.

Another note is that if you use preview to make a pdf from your eps, the resulting pdf still displays correctly (non-blurry) when you open it in Acrobat.