As realistic AI-generated photos and videos proliferate online, tech firms and watchdog groups are racing to develop tools to identify fake content.
Watermarking computer generated imagery is a commonly proposed solution, adding an invisible flag in the form of hidden metadata that helps disclose that an image was created using a generative AI tool. But researchers have found that such watermarking has major one major flaw: adversarial techniques can easily remove it.
Now, major camera manufacturers are proposing a different approach—the opposite, in a way: embedding watermarks in “real” photographs instead.
Nikon, Sony, and Canon recently announced a joint initiative to include digital signatures in images taken straight from their high-end mirrorless cameras. According to Nikkei Asia, the signatures will integrate key metadata like date, time, GPS location, and photographer details, cryptographically certifying the digital origin of each photo.
Nikon said it will launch this feature in its upcoming lineup of professional mirrorless cameras; Sony will issue firmware updates to insert digital signatures into its current mirrorless cameras; and Canon intends to debut cameras with built-in authentication in 2024, along with video watermarking later that year.
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Author: Jose Antonio Lanz
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