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AI-Powered Nvidia RTX Video HDR Transforms Standard Video into HDR Video

blogs.nvidia.com

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Re: AI-Powered Nvidia RTX Video HDR Transforms Standard Video into HDR Video

#71

Post by Alghranokk »

bendergarcia wrote: post #38

I think they should rephrase. It makes SDR appear HDR. It’s just making up information no? It’s not actually making it HDR just it appears to be HDR?

Making up information? The same can be said for most commonly used modern compressed video formats. Just low bitrate streams of data that gets interpolated and predicted into producing what looks like high resolution video. AV1 even has entire systems for synthesizing film grain.

The way i see it, if the ai generated HDR looks good, why not? It wouldn't be more fake or made up than the rest of the video.

Re: AI-Powered Nvidia RTX Video HDR Transforms Standard Video into HDR Video

#72

Post by cm2187 »

WithinReason wrote: post #40
cmcconomy wrote: post #21

Earlier quoted context omitted.

I think we lost that battle with motion interpolation on consumer TVs

Already happened with brightness and contrast controls

I can't get any two computer monitors that are not the same model to give me the same color.

Re: AI-Powered Nvidia RTX Video HDR Transforms Standard Video into HDR Video

#74

Post by justinclift »

aantix wrote: post #13

I'm curious - what's the best open-source video upscaling library out there? I looked back about a year ago, and it didn't seem like there were any good open-source solutions.

It's not exactly what you're after, as it's anime specific and you need to process the video yourself (eg disassemble to frames, run the upscaler, then assemble back to a movie file), but Real-ESRGAN is very good for cleaning up old, low resolution anime:

https://github.com/xinntao/Real-ESRGAN/

Re: AI-Powered Nvidia RTX Video HDR Transforms Standard Video into HDR Video

#75

Post by devwastaken »

kevingadd wrote: post #28
zamadatix wrote: post #2

A bit of a let down that the video demoing SDR->HDR conversion is itself only published in SDR. Makes as much sense as demoing a colorization tool in a grayscale video!

HDR video playback in the browser is pretty unreliable unless you're on a Mac.

HDR through YouTube appears to work fine even on my non HDR certified HDR monitor.

Re: AI-Powered Nvidia RTX Video HDR Transforms Standard Video into HDR Video

#76

Post by nomel »

SirMaster wrote: post #36
nomel wrote: post #32

Earlier quoted context omitted.

I don't think making things up is the problem, it's if it's believable. If it's indistinguishable to a viewer, then who cares. I never would have thought the HDR of the clouds was "made up".

Maybe I'm odd, but a big part of art to me is seeing things how the creator intended it to be seen. So I calibrate all my media consumption displays etc. I could never see myself using some automated SDR -> HDR conversion like this. Even if it looks natural, it doesn't look like it was supposed to, and I want to see it how it was supposed to look.

I would use it on every single video I've ever made myself, because intent had nothing to do with how my videos look. They were made with then best camera I had available, and HDR has only been available relatively recently.

This is a tool that I want to use. If nobody can tell I used it, that's a good thing for me. If you don't want to use it, then nobody is making you.

Re: AI-Powered Nvidia RTX Video HDR Transforms Standard Video into HDR Video

#77

Post by zamadatix »

kevingadd wrote: post #28
zamadatix wrote: post #2

A bit of a let down that the video demoing SDR->HDR conversion is itself only published in SDR. Makes as much sense as demoing a colorization tool in a grayscale video!

HDR video playback in the browser is pretty unreliable unless you're on a Mac.

In what way? I've been doing it without issue on PC longer than I've even owned a Mac.

Re: AI-Powered Nvidia RTX Video HDR Transforms Standard Video into HDR Video

#78

Post by zamadatix »

CamperBob2 wrote: post #19
zamadatix wrote: post #2

A bit of a let down that the video demoing SDR->HDR conversion is itself only published in SDR. Makes as much sense as demoing a colorization tool in a grayscale video!

YouTube tends to post a downscaled SD version first, then they encode and post the higher-res versions when they get around to it. This can take days in some cases. Meanwhile the creator catches the flak...

You don't need high res for HDR on YouTube (144p HDR is a thing there oddly enough) and the 4k version had already processed when I posted that comment (with no change since in HDR availability). Usually media announcements/large channels pre-upload the video so it's ready when they want it to actually publish to avoid that kind of issue though.

Re: AI-Powered Nvidia RTX Video HDR Transforms Standard Video into HDR Video

#79

Post by moondev »

skottenborg wrote: post #9

I could see a future where this works really well. It doesn't seem to be the case right now though. The "super resolution" showcased in the video seemed almost identical to adjusting the "sharpness" in any basic photo editing software. That is to say, perceived sharpness goes up, but actual conveyed details stays identical.

Whatever special sauce the Nvidia shield uses is honestly incredible. Real time upscaling of any stream, and not just optimized for low res source, its like a force multiplier on content that is already HD. Supposedly the windows drivers do it as well but the effect seems less noticeable to me in my tests

Re: AI-Powered Nvidia RTX Video HDR Transforms Standard Video into HDR Video

#80

Post by moondev »

lagadu wrote: post #68
DrNosferatu wrote: post #42

Speaking of which, Nvidia has built-in live AI upscaling on the Shield TV android box. - Is there any stand-alone live AI upscaling / 'enhance' alternative for android or any other platform?

The Shield is kind of an extreme outlier in today's environment. A device from 2015 that 9 years later is still one of the top tier choices in its (consumer) market is almost unheard of. In fact it's reportedly the currently supported Android device out there with the longest support[0], it's crazy that mine still gets updates. [0] https://www.androidcentral.com/android-longest-support-life-...

It really is awesome. I also enjoy the UI that allows you to side by side compare a stream and the difference is insane.

I have been meaning to see how well it handles streaming a desktop via moonlight to the shield to real time upscale a second monitor's content. I assume it's trained for video footage and not static UI components. The RTX windows drivers don't seem to upscale as well as the shield.

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