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Re: interpolation for resizing [message #64159 is a reply to message #64156] Wed, 03 December 2008 05:43 Go to previous messageGo to previous message
David Fanning is currently offline  David Fanning
Messages: 11724
Registered: August 2001
Senior Member
Craig Markwardt writes:

> That's true, but nearest-neighbor sampling also adds high-frequency
> aliases, so what one uses to interpolate does depend on what one
> needs.

I have a feeling it will be some weeks before the person
asking the question feels compelled to ask about this
complication. ;-)

Cheers,

David

P.S. Isn't a 100 by 100 image, uh, pretty small to be
doing *any* high-resolution analysis? Certainly too
small to be worried about high-frequency aliasing.
You should be thinking about other problems, my friend!

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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