On 28 Jan 2001, at 22:12, Bob Walkden wrote:
> Looking directly up at the poster from the pavement (sidewalk), ie
> from about 1.5 metres (2') away the grain, although noticeable, was
> not as large as I'd have expected from a 35mm neg. Does anybody know
> how such a blow-up is done? Is there some sort of computerised
> extrapolation taking place to fill in the gaps and reduce the size of
> the grain?
Hi Bob,
I think you might be seeing http://www.altamira-group.com/ genuine fractal
filtration at work here, designed to fill the gaps.
Cheers,
Rob Studdert
HURSTVILLE AUSTRALIA
Tel +61-2-9554-4110
Fax +61-2-9554-9259
UTC(GMT) +10 Hours
[EMAIL PROTECTED]
http://www.ozemail.com.au/~distudio/publications.html
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