Hacker News new | ask | show | jobs
by timonoko 653 days ago
It is called normalize-like-hunt. Famous Kite Aerial Photographer Alan Hunt suggested doing it manually in Paint Shop Pro. Winter scenes were particularly problematic, as early digital cameras invented crazy colors for snow.
1 comments

Although I think this technique was well known before then -- Crosfield were using channel-independent histogram normalization to restore faded transparencies back in the 80s.