[Cryptography] Best internet crypto clock: hmmmmm...
pgut001 at cs.auckland.ac.nz
Mon Oct 27 14:19:38 EDT 2014
Jerry Leichter <leichter at lrw.com> writes:
>All of these things have fundamental limits set by human sensory
>capabilities. Most of our digital technologies are near those limits - most
>obviously in high-resolution LCD displays (what Apple calls "Retina"
>displays). Sure, under some circumstances, some well-trained observers can
>easily spot the remaining variations. But it's getting harder every day, and
>soon only the "golden ears" (and their analogues in different spheres) will
>even claim to be able to tell, and they'll consistently fail careful tests.
>Once you get to that point, there's no reason to go further in controlling
>manufacturing processes and such.
That only applies if the final consumer of the image is a human being. In
this case it's not human eyeballs that the image is intended for, and the
sensor manufacturers aren't optimising for that target.
More information about the cryptography