[Leica] Photoshop Colorize Filter Experiment

[Douglas Barry]

Pretty cool bit of software, Aram, with reasonable results. Out of 
curiosity who took the stock photo of the UK market?
Douglas


On 16/10/2022 00:35, Aram Langhans via LUG wrote:
> I am at my father-in-law's so I get to play around with the latest 
> versions of PS and LR.  I am still using CS6 and LR6.  Not sure if 
> anyone noticed the new neural filters that have been added a while 
> back.  One of them is colorize.  With one click it will take a B&W and 
> turn it into color.  I thought I'd give it a try.  I just did the one 
> click thing and did not play around much with the adjustments, and I 
> accepted what it did without choosing if I was satisfied or not.  I 
> think that if you say that maybe it will try again and maybe learn 
> what you like.  Maybe a different experiment later.
>
> Since all his shots are color, I downloaded a few B&W shots from the 
> internet and gave it a try.  The first one is a famous Ansel Adams 
> shot in Yosemite from Tunnel view.
>
> untitled-2-3 (leica-users.org) 
> <http://gallery.leica-users.org/v/Aram/misc/ce/untitled-2-3.jpg.html>
>
> untitled-2-4 (leica-users.org) 
> <http://gallery.leica-users.org/v/Aram/misc/ce/untitled-2-4.jpg.html> 
> Not bad.  This one I did lower the contrast.
>
> Next a Grand Canyon shot
>
> untitled-2 (leica-users.org) 
> <http://gallery.leica-users.org/v/Aram/misc/ce/untitled-2.jpg.html>
>
> untitled-2-2 (leica-users.org) 
> <http://gallery.leica-users.org/v/Aram/misc/ce/untitled-2-2.jpg.html> 
> I did play with this a small amount.
>
> So I said, what about people?  Here is a market shot.
>
> untitled-2-5 (leica-users.org) 
> <http://gallery.leica-users.org/v/Aram/misc/ce/untitled-2-5.jpg.html>
>
> untitled-2-6 (leica-users.org) 
> <http://gallery.leica-users.org/v/Aram/misc/ce/untitled-2-6.jpg.html>
>
> My wife said how did it know she was in a blue coat?  Of course, it 
> did not, but make some kind of choice.  So, I though I would try 
> something else.
>
> I took a few of my father-in-law's photos and converted them to B&W 
> and then colorized them to see what PS chose to do and how close to 
> reality was it.  Original color images are first followed by PS 
> colorized versions
>
> My nephew had a gray outfit on and of course PS did not know it was 
> gray from the start.
>
> untitled-9808 (leica-users.org) 
> <http://gallery.leica-users.org/v/Aram/misc/ce/untitled-9808.jpg.html>
>
> untitled-9808-Edit (leica-users.org) 
> <http://gallery.leica-users.org/v/Aram/misc/ce/untitled-9808-Edit.jpg.html>
>
> Here we all are at Tunnel View in gray shirts.  I wondered if they 
> would still be gray.  They were but my sister-in-law's skirt was 
> changed from blue to some sort of red.
>
> untitled-0216 (leica-users.org) 
> <http://gallery.leica-users.org/v/Aram/misc/ce/untitled-0216.jpg.html>
>
> untitled-0216-Edit (leica-users.org) 
> <http://gallery.leica-users.org/v/Aram/misc/ce/untitled-0216-Edit.jpg.html>
>
> And finally what about a flamingo?  Can PS get the feather colors 
> correct?
>
> untitled-0288 (leica-users.org) 
> <http://gallery.leica-users.org/v/Aram/misc/ce/untitled-0288.jpg.html>
>
> untitled-0288-Edit (leica-users.org) 
> <http://gallery.leica-users.org/v/Aram/misc/ce/untitled-0288-Edit.jpg.html>
>
> So, you can draw your own conclusions.  For me, I am amazed at what it 
> can do. Having done a bit of computer programming way back in the dark 
> ages, I am just blown away at the complex calculations that must be 
> going on.  And if it is an original B&W with no reference for you to 
> compare, I think it did a pretty good job of making some plausible 
> color choices, and with some tweaking you might be able to make it 
> look no so much like faded Kodachrome but a new photo.
>
> Comments welcome
>
> Aram
>
>