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Do you have any sources for this? This is very interesting. Particularly because Xerox photocopiers (yes, self-contained photocopiers) had exactly the same kin
by exikyut 8y ago
Do you have any sources for this? This is very interesting.
Particularly because Xerox photocopiers (yes, self-contained photocopiers) had exactly the same kinds of issues due to image compression engine glitches (https://news.ycombinator.com/item?id=6156238 https://news.ycombinator.com/item?id=6156238, https://news.ycombinator.com/item?id=9584172 https://news.ycombinator.com/item?id=9584172)
- azdle 8y agoIt's not sourced, but the Wikipedia page says it uses something called JB2 compression which is susceptible to this: https://en.wikipedia.org/wiki/DjVu#Compression https://en.wikipedia.org/wiki/DjVu#Compression
- bb88 8y agoJBIG2 was the problem algorithm with the photocopiers. JBIG2 was based upon JB2.