Hacker News new | ask | show | jobs
by jheriko 3566 days ago
are you sure .PNG doesn't contain enough data to reconstruct a RAW file? I'm not...
1 comments
throwawayReply 3566 days ago
Given that RAW can have 32 bits per channel and PNG only 16 bits per channel, it must be possible* to construct two different RAW files which render to the same PNG.

*Possible in the mathematical sense, it may not be practical.

link