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Interesting New Technology for UW Color Cast Removal

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by SantaFeJoe on Thu Nov 14, 2019 11:23 am

SantaFeJoe
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Location: Somewhere Out In The Wilds

The scientific papers:

Here

An article with video here:

https://petapixel.com/2019/11/13/this-algorithm-can-remove-the-water-from-underwater-photos-and-the-results-are-incredible/

Joe

Learn the rules like a pro, so you can break them like an artist. -Pablo Picasso

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by ChrisRoss on Fri Nov 15, 2019 8:01 am

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They are actually not that incredible IMO, the main issue underwater is loss of red light which is quickly absorbed followed by yellow and so on, by about 10m the red is all but gone so any algorithm trying to work without artificial light breaks down. The corrections needed for UW images are really not that complicated if you have enough red, the levels tool can do the balancing within a minute or so if you know what you are doing. If the water is green it may take an extra step to pull to a pleasing balance point using curves but still very quick.

Chris Ross
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Australia
http://www.aus-natural.com Instagram: @ausnaturalimages Now offering Fine Art printing Services

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