[filmscanners] Re: Genuine fractals?????

["Brad Davis" <DocBradd@mac.com>]

Paul, thanks, that's a useful piece of information.

Brad


On 20/11/04 17:44, "Paul D. DeRocco" <pderocco@ix.netcom.com> wrote:

>> From: Brad Davis
>>
>> Anybody using Genuine Fractals as a way to up sample images?   My scanner
>> provides very high resolution compared to my (current) digital camera, but
>> there are times when I have taken an image with the digital camera that I
>> would like to enlarge.  I've had some success with Photoshop's
>> BiCubic - it
>> depends on the image - but I've wondered about Genuine Fractals.
>>
>> I know the theory, and it makes a lot of sense to me, but my experience is
>> that there is often some distance between theory and implementation.
>>
>> So, has anyone used Genuine Fractals as a primary means of up sampling to
>> allow much larger prints than logically should be done from an
>> original like
>> a 1.5 MegPixel jpeg (down from a 5 Megpixel digital photograph)?
>
> I think it works pretty well, if the image has some sharp edges in it,
> because it is somewhat able to recognize edges, and artificially preserve
> them when blowing the image up. If you overuse it, say beyond 4X in each
> dimension, it starts to look artificial.
>
> --
>
> Ciao,               Paul D. DeRocco
> Paul                mailto:pderocco@ix.netcom.com
>
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