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A comment on Algorithm Removes Water from Underwater Images. Parent comment

Re:Algorithm Removes Water from Underwater Images by Scaevolus on Thursday January 09, 2020 @05:54AM (#22000128)
Yes, but how do you know the true color of a fish, seaweed, or sand? That's the unknown part!
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Re:Algorithm Removes Water from Underwater Images by Udik on Thursday January 09, 2020 @05:58AM (#22000146)
> how do you know the true color of a fish, seaweed, or sand

I am pretty sure that in most cases those colours are well known.

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Re:Algorithm Removes Water from Underwater Images by afwaller on Thursday January 09, 2020 @07:14AM (#22000547)
I, personally, have picked up sand, shells, even seaweed from the ocean, and lifted it out of the water and looked at it with my eyes. I have released this technique to the world, patent free.
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