"jhu" <nomail@nomail> wrote:
> Here's a the same image with some post-processing:

That's a really excellent before-and-after example-- and it shows how
'real-world' defects can make a render look natural rather than 'unnaturally'
pristine.

Old movies have a particular 'look'-- much of which comes from the film grain:
sort of like a small bit of random noise (with 24 or 25 such images flashing by
in one second.)

Old Technicolor movie prints-- ones that have been well-preserved-- are another
interesting case. The original scene was photographed onto three *fine*-grain
black-and-white film strips, then those were used to imprint colored dyes onto
the final projection print. Those prints have a VERY smooth, almost grainless
look-- but there was a tiny bit of color 'bleed' between the dyes, resulting in
a kind of pleasingly soft appearance. (And sometimes the three films were
slightly mis-registered, resulting in colored fringes around objects.)

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