Re: Lanczos interpolation

In sci.image.processing Mark Herring <[EMAIL PROTECTED]> wrote:
> On Mon, 24 Nov 2003 12:20:14 -0000, [EMAIL PROTECTED]
> wrote:

>>I'm trying to find out why a Lanczos window is often used for sinc
>>interpolation of digital images.  Why not some other window, such as a
>>Hamming or Hanning window?  Does the Lanczos window have some magical
>>properties that make it specially suitable for images?

> Wow!!!  I dont know about the other NG, but very few of us in R.P.D.
> have any clue what you are taling about.

> To many of us, interpolation is just a sleazy trick by a few fringe
> camera makers to pump up their Mp ratings

Well, lots of us here in rec.photo.digital use interpolation to change
the size of our photographs.  It seems that Lanczos interpolation
produces very good results, and like some insatiably curious child I
always like to ask *why*.  I can't help it...

Andrew.