How to make a QR code with Stable Diffusion

THIS is what AI art should be like. Hard for humans, easy for computers, amazing visuals. And on top of that it functional as well.<p>I feel like this is closer to how human artists create, artists have a set of constraints, and a lot of limitations, and forcing NN to output valid QR codes puts the same constraints on the process itself.<p>Next step, include the QR reader in the training loop, and make it differentiable to increase the valid output from 1&#x2F;4 to 100%

The funny thing is that no-one AFAICT has realized that the same content can be encoded in different-looking QR codes. Beside the obvious (different error-correction levels), the content itself can be changed while maintaining its semantic meaning (e.g. &quot;<a href="https:&#x2F;&#x2F;example.com&#x2F;foo" rel="nofollow noreferrer">https:&#x2F;&#x2F;example.com&#x2F;foo</a>&quot;, &quot;HTTPS:&#x2F;&#x2F;EXAMPLE.COM&#x2F;foo&quot;, or &quot;HtTpS:&#x2F;&#x2F;eXaMpLe.CoM&#x2F;foo&quot; are all semantically identical) and even the QR encoding itself can be tweaked (e.g. by changing the version and mask, see the demo on <a href="https:&#x2F;&#x2F;www.nayuki.io&#x2F;page&#x2F;qr-code-generator-library" rel="nofollow noreferrer">https:&#x2F;&#x2F;www.nayuki.io&#x2F;page&#x2F;qr-code-generator-library</a>). Each combination would yield a different-looking QR code that would encode the same meaning, and it could therefore allow the diffusion models even greater freedom.<p>I&#x27;m sure somebody will get to this soon.

As an engineer, the lack of consideration for the matter of how much one should corrupt a signal (which might be scanned under different conditions, such as different light levels and resolutions) is grating to me.<p>It’s like scratching a design onto the bottom of an audio CD, playing it, and if it works on your CD player, shipping it. “Works for me”

There&#x27;s a way to make a QR code that provides a device with all the info it needs to sign onto a WiFi network.<p>I&#x27;m wondering if I could make one of those, turn it into an interesting piece of art, then frame it and put it up in my living room. When guests ask for WiFi, I would just say &quot;take a photo of that picture&quot;.

there was a cool one posted to &#x2F;g&#x2F; earlier <a href="https:&#x2F;&#x2F;i.jollo.org&#x2F;ePE3JHak.png" rel="nofollow noreferrer">https:&#x2F;&#x2F;i.jollo.org&#x2F;ePE3JHak.png</a>

I’ve seen these and they are so novel! The problem is they don’t look like QR codes.<p>A regular QR code, regardless of the fact they are an eyesore, people know what to do when they see one on a menu.<p>Artistic ones don’t really look like QR. Def don’t want to have to add an arrow and “scan this!”<p>I suspect this will come on more handy incorporating QR into larger murals that people might photograph anyway.<p>iOS camera “sees” QR codes w a url preview. This surprise embedded mega might make for an interesting beat in the march to ubiquitous AR.

My phone camera couldn&#x27;t recognize any of the generated ones. Looks cool though

Unfortunately, they don&#x27;t look as nice as the originals that were shown a few days ago, I wonder how they did that.<p><a href="https:&#x2F;&#x2F;mp.weixin.qq.com&#x2F;s&#x2F;i4WR5ULH1ZZYl8Watf3EPw" rel="nofollow noreferrer">https:&#x2F;&#x2F;mp.weixin.qq.com&#x2F;s&#x2F;i4WR5ULH1ZZYl8Watf3EPw</a><p>They talk about a custom QR codes ControlNet.

What&#x27;s the noise margin like?<p>QR codes with logo&#x27;s typically contain bit errors and rely on the forward error correction code to correct those errors. The logo comes at the cost of some noise margin.<p>I&#x27;d guess that that the same applies here? All good if decoration is your priority, but if reliability is also a priority you have to be aware of the tradeoff.

I tried to post the original a few days ago but the submission was automatically killed.<p><a href="https:&#x2F;&#x2F;mp.weixin.qq.com&#x2F;s&#x2F;i4WR5ULH1ZZYl8Watf3EPw" rel="nofollow noreferrer">https:&#x2F;&#x2F;mp.weixin.qq.com&#x2F;s&#x2F;i4WR5ULH1ZZYl8Watf3EPw</a>

This is cool and can’t wait until there’s more accepted steganography where every image has some side channel of info encoded into the image in a way that as a viewer I don’t notice it, but my phone’s camera can discern.

Not bad, but the ones from the custom trained NN are way nicer in my opinion, with most of these it&#x27;s pretty clear they are QR codes (which is probably better for usability, but makes the art a bit worse).

At least with my scanner (Binary Eye on Android) these don&#x27;t scan very well. Nonetheless they are very cool.<p>I wonder if this would work better or worse with different types of 2D barcodes like Aztec, Data Matrix, or PDF-417

I don&#x27;t like this. I hope it dies soon.<p>It has very bad UX because it muddles the &quot;affordance&quot; of a QR. A QR should explicitly and clearly look like a QR for people to understand they should use it as such.<p>It isn&#x27;t effective because it degrades the bandwidth of QR codes. It reduces the amount of information you can place on QR codes.<p>This is just a gimmick, a funny trick that implements bad functionality.<p>As in Jurassic Park: just because you can do it doesn&#x27;t mean you should do it.

Interesting I am not able to focus on these images. Looking at them makes my eyes pop around until I have to look away.

Way cool article and novel hacking of QR codes!

Very nice post, thanks for sharing.

this guide starts by promoting their gumroad book which i dont want.<p>currently using a1111 off of <a href="https:&#x2F;&#x2F;colab.research.google.com&#x2F;github&#x2F;TheLastBen&#x2F;fast-stable-diffusion&#x2F;" rel="nofollow noreferrer">https:&#x2F;&#x2F;colab.research.google.com&#x2F;github&#x2F;TheLastBen&#x2F;fast-sta...</a><p>and hoping to go from there

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