> We're actively collecting pure black and pure white images generated by Nano Banana Pro to improve multi-resolution watermark extraction.

Oh hey, neat. I mentioned this specific method of extracting SynthID a while back.[1]

Glad to see someone take it up.

[1]: https://news.ycombinator.com/item?id=47169146#47169767

▲

raphman 3 hours ago | parent [-]

FWIW, I had Nano Banana create pure white/black images in February, and there was no recognizable watermark in them (all pixels really were #ffffff / #000000 IIRC).

Meta: your comment was marked [dead], like a few other constructive comments I saw in recent days. Not sure why.

	▲	andrewmcwatters 2 hours ago \| parent [-]
		I suspect they strip the SynthID for these specific cases to prevent exfiltration of the steganography. I appreciate you pointing it out, but this account is banned. Thank you for vouching though!