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A comment on OpenAI Adopts Google's SynthID Watermark for AI Images with Verification Tool. Parent comment

Re:OpenAI Adopts Google's SynthID Watermark for AI Images wi... by programd on Tuesday May 19, 2026 @04:40PM (#48199291)
Define easily. There is an approach that apparently works and is based on spectral analysis of the images.

https://github.com/aloshdenny/reverse-SynthID

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Re:OpenAI Adopts Google's SynthID Watermark for AI Images wi... by toraway on Tuesday May 19, 2026 @05:44PM (#48200113)
FWIW there are a few people in the issues saying that the tool is giving false negatives and the output image gets flagged by the actual Gemini API as having SynthID. Most recently 3 weeks ago without a response.
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