Recovering redacted information from pixelated videos

Pxtl wrote: post #3

The article references the famous face-depixellating PULSE GAN. Let's remember that PULSE also gave us Barry O'Bama. https://www.google.com/amp/s/www.theverge.com/platform/amp/2...

Non-AMP link: https://www.theverge.com/21298762/face-depixelizer-ai-machin...

Re: Recovering redacted information from pixelated videos

#6

Post by hungryforcodes » Tue, Jan 25, 2022, 2:06 PM UTC

NikolaeVarius wrote: post #2

So much brain power only to be used to de-blur japanese p0rn

wooo!

Re: Recovering redacted information from pixelated videos

#7

Post by 15characterslon » Tue, Jan 25, 2022, 2:07 PM UTC

NikolaeVarius wrote: post #2

So much brain power only to be used to de-blur japanese p0rn

Gotta know exactly what is behind those mosaic pixels.

Re: Recovering redacted information from pixelated videos

#8

Post by GistNoesis » Tue, Jan 25, 2022, 2:11 PM UTC

Even the best can make obvious mistakes.

"I hacked a hardware crypto wallet and recovered $2M [video]" https://news.ycombinator.com/item?id=30067340

Showing a blurry 16 out of 24 trezor wallet seed words https://youtu.be/dT9y-KQbqi4?t=1720

Re: Recovering redacted information from pixelated videos

#9

Post by steerablesafe » Tue, Jan 25, 2022, 2:12 PM UTC

RunSet wrote: post #4

Yet again mosaic blur's inferiority to opaque rectangle is demonstrated.

More generally if you want to redact pixels, then don't replace them with information that depend on those pixel values. It doesn't necessarily mean a black rectangle, but that's certainly simple and it works.

Re: Recovering redacted information from pixelated videos

#10

Post by sumtechguy » Tue, Jan 25, 2022, 2:20 PM UTC

RunSet wrote: post #4

Yet again mosaic blur's inferiority to opaque rectangle is demonstrated.

Is anyone using this sort of idea on upscaling videos?