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DPChallenge Forums >> General Discussion >> Upsize an image
Showing posts 1 - 12 of 12, (reverse)
12/18/2019 03:47:56 PM · #1
I've had a program/filter in the past that was Photoshop friendly that would upsize my images and still give me great detail and resolution.

I've forgotten the name.

But, I don't need that one... if you folks have a different suggestion for me.

I have a friend's 4 x 6 inch photograph. She wants to make a larger canvas out of it.

What do you recommend, please?
12/18/2019 03:51:44 PM · #2
Are you saying you have a 4x6 print(?), or, if already digital, we need to know the dimensions in pixels to give a meaningful answer ...

And, what size canvas are you printing?
12/18/2019 03:55:53 PM · #3
Thanks, Gen.

I've scanned the physical print with the best scanner I have. It's now digitally 999 x 775 pixels.

She wants to go something like 10 x 12".
12/18/2019 04:11:46 PM · #4
Check with the place you're printing, but I think you can get away with a lot lower resolution on canvas.

If you still have Photoshop, the simplest path is to try upsampling using the Bicubic Smoother setting to 200% (should give you enough resolution to print at 150 ppi).

One of the new editing programs (Aurora?) for which I see a lot of ads has an new ai-driven upsampling feature which looked pretty good in the demo sample. If you're interested I can try and track it down (later today) ...
12/18/2019 04:15:15 PM · #5
Thanks again, Gen!

I'll try it and see. She's going to print it (different state). I'm going to send her the file.

I had something that was specifically an upsize tool... wish I could remember it. But, that was two computers ago. *sigh*

12/18/2019 04:30:32 PM · #6
Unfortunately, this is the image (after I removed the telephone pole out of the top of her head).

Missed focus makes it even harder.

Any ideas?

' . substr('//images.dpchallenge.com/images_portfolio/85000-89999/86447/120/Copyrighted_Image_Reuse_Prohibited_1243936.jpg', strrpos('//images.dpchallenge.com/images_portfolio/85000-89999/86447/120/Copyrighted_Image_Reuse_Prohibited_1243936.jpg', '/') + 1) . '
12/18/2019 04:40:00 PM · #7
Sean Bagshaw recently posted a YouTube episode comparing multiple ways of up-sizing images (here). Gigapixel AI was his favorite, but it takes a long time per image unless you have a moderately high end video card and recent powerful CPU. It does perform a bit of sharpening, and my experience with it is that the artificial intelligence aspect seems to help (although producing artifacts in some images). A recent 25% off sale may still be active (check website of Topaz Labs, which sells it). Maybe try the Photoshop method Sean reviewed before deciding to spend money.
12/18/2019 05:14:40 PM · #8
Sent you a PM with results of doing some work on the version you posted. ' . substr('//images.dpchallenge.com/images_portfolio/80000-84999/81362/120/Copyrighted_Image_Reuse_Prohibited_1243938.jpg', strrpos('//images.dpchallenge.com/images_portfolio/80000-84999/81362/120/Copyrighted_Image_Reuse_Prohibited_1243938.jpg', '/') + 1) . '

Message edited by author 2019-12-18 17:16:18.
12/18/2019 05:40:05 PM · #9
Originally posted by Lydia:

I had something that was specifically an upsize tool... wish I could remember it. But, that was two computers ago. *sigh*

Might have been Genuine Fractals? That's one reason I keep old computers/software around ...
12/18/2019 07:03:09 PM · #10
BoB! That's amazing! You're such a sweetheart to use your time on my image!

Thank you bunches! I'll look into the cost...

Gen, Yes!! That was it! Genuine Fractals. I wonder if I still have a CD somewhere...
12/19/2019 04:11:01 PM · #11
I think what is left of Genuine Fractals is now part off ON-1.
12/19/2019 07:29:06 PM · #12
Oh? I'll check that out! Thanks!
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