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DEDA – Tracking Dots Extraction, Decoding and Anonymisation Toolkit

(github.com)
285 points pavel_lishin | 1 comments | 01 Apr 25 21:11 UTC | HN request time: 0.201s | source
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dyingkneepad ◴[02 Apr 25 00:35 UTC] No.43552675[source]▶
What happens if I print the same page in multiple printers? Like, have the first printer print the actual contents, and then have the other printers add just a little bit of stuff in still-white areas. Does one printer mess the dots of the others?
replies(1): >>43552973 #
1. kadoban ◴[02 Apr 25 01:42 UTC] No.43552973[source]▶
Yes. How would it know not to?

To be clear, it's possible/probable that some or all of it could still be read depending on details I don't know.