• m-p{3}@lemmy.ca
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    4 days ago

    I use pixelation… but from other words overlaid on the one I’m hiding.

    There might be way more “penis” than expected if someone manage to undo it.

  • cmnybo@discuss.tchncs.de
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    4 days ago

    Yes, except now you can just use an AI to unpixelate something without doing all that work. It’s even more effective on video than with a still picture.

    When redacting something make sure you’re not accidentally making it semi transparent. Use a box fill or hard edge brush with the opacity set to 100%. I’ve seen a lot of pictures posted where someone scribbles over the info with a soft edge brush and you can still see through it if you adjust the contrast.

    • 2910000@lemmy.world
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      3 days ago

      I wonder if hypothetically, AI could do the same with a box over text, even if it was 100% opaque. For example, if the data from the layer containing text was part of the image data passed to an image compression algorithm, and that data was somehow reflected in the output

      • JaddedFauceet@lemmy.world
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        1 day ago

        If the black box covers the full text, then no.

        the pixel information is already gone (become black color) before it is passed to the compression algorithm.

      • jacksilver@lemmy.world
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        3 days ago

        If the image/video just has black pixels on the content, then there would be no information to extract and any attempt would just be filling things in.

        When you talk about layers, you’re assuming that the creator left information behind in the Metadata, which wouldn’t require AI to extract.

        • 2910000@lemmy.world
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          3 days ago

          By layers I mean image layers when manipulating an image in an image editor. So I guess what you’re saying is an image would be flattened before being passed to a compression algorithm?

          • jacksilver@lemmy.world
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            3 days ago

            Yeah, if I’m making something “masked/obscured” I should export it so that it’s in a raw format. That way there is no Metadata or information that could be leaked by accident.

            Think of the Trump Epstein files, in those they kept them as pdfs so you could just unhighlight the redacted sections. If they had export it as a jpeg/png you wouldn’t be able to extract any information.

            There are ways to remove the content from a pdf, but as we’ve seen, that leaves rooms for errors.