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A comment on One woman's struggle to remove all traces of videotaped sexual assault. Parent comment
The same set of values, yes.
> Why would that be? There can be different algorithms, resolutions, crops...
Yes, so you do normalization and reduction before computing the hashes.
And ‘hashes’ doesn’t have to mean literal SHA. Any non-reversible fingerprinting algorithm will do.
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The same set of values, yes.
> Why would that be? There can be different algorithms, resolutions, crops...
Yes, so you do normalization and reduction before computing the hashes.
And ‘hashes’ doesn’t have to mean literal SHA. Any non-reversible fingerprinting algorithm will do.