[KineJapan] This is Huge: Upscaling Framegrabs to 300 dpi

Fri Dec 8 19:26:36 EST 2023

"what these AI programs do is "invent" the image in the sense that they
propose an image with the highest probability of resembling the real image,
but it is still an invented one (everything from those 72 dpi to 300 dpi). "

In my experience, I haven't seen anything "invented". There's nothing in
the upscaled version that wasn't there before. What you mention exists, but
the ones that I have used have merely interpolated the spaces well enough
to fill things in for clarity. Like no one has grown a nose that didn't
have one before.

Obviously, that's a discussion to be had, but downscaling a photo seems
just as misleading since it wasn't at all what was intended. Taking away
could be as suspect as adding? I don't know. A terrible super 8 version of
2001: A Space Odyssey isn't at all what Kubrick intended.

On Fri, Dec 8, 2023 at 6:25 AM Lorenzo Javier Torres Hortelano via
KineJapan <kinejapan at mailman.yale.edu> wrote:

> Dear Markus, I would be very cautious about this, because what these AI
> programs do is "invent" the image in the sense that they propose an image
> with the highest probability of resembling the real image, but it is still
> an invented one (everything from those 72 dpi to 300 dpi).
>
> Therefore,  "it works" if what you intend is to show a striking image; but
> from my point of view it is inadmissible for research purposes.
>
> Best,
>
>
>
>
> *Lorenzo J. Torres Hortelano *
>
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> ------------------------------
> *De:* KineJapan <kinejapan-bounces at mailman.yale.edu> en nombre de Markus
> Nornes via KineJapan <kinejapan at mailman.yale.edu>
> *Enviado:* viernes, 8 de diciembre de 2023 12:11
> *Para:* Japanese Cinema Discussion Forum <kinejapan at mailman.yale.edu>
> *Cc:* Markus Nornes <nornes at umich.edu>
> *Asunto:* [KineJapan] This is Huge: Upscaling Framegrabs to 300 dpi
>
> I was prepping a photo for an upcoming publication and made a huge
> discovery I'd like to share.
>
> I had a photo I grabbed off the internet that I really wanted to use. I
> secured the rights, but the online photo was only 72 dpi and 300 X 168
> pixels. Small. Very small.
>
> So I met the photo's owner and we took the printed photo to a place to get
> a scan done. When I got home, I was shocked to find they scanned at 72 and
> used a setting that blew out all the greys. Incredible. It was such a
> production to get the scan done that I fired up Photoshop to play and see
> what could be done.
>
> I discovered that recent versions of Photoshop have the ability to upscale
> photos. There are a few techniques to wrap your head around, so it might be
> tough if you don't know Photoshop. But here is a tutorial that introduces
> some key moves:
>
> https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fyoutu.be%2Flprshxl46ac%3Fsi%3D2dgRkd4LVDXJTmTH&data=05%7C01%7Ckinejapan%40mailman.yale.edu%7C4b2026e2e2d3448af26c08dbf84d8a1c%7Cdd8cbebb21394df8b4114e3e87abeb5c%7C0%7C0%7C638376784143407206%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=leXhSgBKebbC45G1DkYpwmuW4tEIqPYQ%2FF%2BqLgrlHco%3D&reserved=0
>
> There are a few other tutorials out there. This is one of the more useful
> of the bunch.
>
> (I notice that Topaz and some other software is offering upscaling
> functions as well.)
>
> This is huge for our field. Framegrabs from DVDs and most digital movie
> files are only 72 dpi; for printing on paper you need at least 300 and a
> size set that's at least as big as the printed page.
>
> Usually, when you expand the size of a small photo you get pixelation.
> Photoshop can now smooth it all out! I was able to bump up the tiny image
> to 300 dpi. There are various changes to the image, so it requires
> tweaking. And I didn't test this much, so there might be unwanted artifacts
> or changes to the image that would make image analysis tricky. But it
> works. I think it's a game-changer for publishing in film and media
> studies.
>
> Markus
>
>
>
>
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