3 ms·
wouldn't it be easier and more secure to put a noise filled rectangle over the faces?
by chinesempire 6y ago
wouldn't it be easier and more secure to put a noise filled rectangle over the faces?
- rtkwe 6y agoYou can but it looks bad and is distracting, a good blur doesn't distract from the rest of the photo and looking good enough people are more likely to actually use it which is also important. You can also build a blur that discards enough information that it's not reversible and it /looks/ like they did that, Signal has been pretty thoughtful about security so far so I doubt they missed the research about simple blurs being insufficient to defeat facial recognition.
- chinesempire 6y agoYou can always apply blur on the noise afterwards. It took me less than a minute to do this with Gimp (and I'm very bad at Gimp). It's a simple median blur over a random noise. https://i.imgur.com/f81JIRP.png https://i.imgur.com/f81JIRP.png
- thaumasiotes 6y agoYes.