That’s like spending a few hours, learning to take the lid off your septic tank.
Oddly enough, I find most of 4chan less brainrot inducing than Twitter, even pre-Musk.
I have bad news for you, then...
Breaking the 4Chan CAPTCHA
201–210 of 378 posts
Re: Breaking the 4Chan CAPTCHA
#2024Chan is probably one of the only social platforms where genuiune users and russian bots share the same views, why even bother with CAPTCHAs?
Re: Breaking the 4Chan CAPTCHA
#203Not a word on how describing and releasing this code is obviously unethical!? Captchas have a legitimate use to keep bots out.
Re: Breaking the 4Chan CAPTCHA
#204There is a reason why people moved away from distorted text based captcha. We are basically at the point where computers are better at them then humans. https://www.usenix.org/system/files/conference/woot14/woot14... is a paper on the subject i think is really interesting However a surprising amount of text based captchas can be solved in a few line shell script of, using imagemagik to convert to greyscale, dilate an…
> so really captchas are more like putting a small min amount of effort. At that point a proof of work captcha (mCaptcha.org is one, but there are others), is probably the best option. Especially with how any reasonably effective traditional captcha is an accessibility nightmare.
It's completely unclear what a "proof of work" captchas is supposed to be.
Re: Breaking the 4Chan CAPTCHA
#205Earlier quoted context omitted.
Just because you can technically crack them doesn't mean they're useless. There's a significant amount of time, skill and effort that went into the solution from this post, and the end result doesn't generalize well (you'd have to start all over for a different kind of captcha). The vast majority of spammers would not be able to replicate this; those who do would either make money legitimately, or focus their skills…
So, I do this type of AI development for solving CAPTCHAs. I can't get any real jobs that pay me for my more advanced skills. My primary sins were going to a second/third-tier university and some performance concerns in a portion of my previous roles due to divorce and burn-out. I make $80k/year in government IT, and $30-150k/year as the "AI" guy in a small 2-5 person group that offers a CAPTCHA-breaking API. The spa…
Why do you do this?
While I can appreciate the technical achievement, you know most users of forums and imageboards don’t want any AI content at all.
Re: Breaking the 4Chan CAPTCHA
#206Earlier quoted context omitted.
Makes me wonder what comes next. Could we create a forum where every member must do a 15 minute video interview with a moderator? I know this "doesn't scale" but I think it could make for a funny gimmick.
A small signup fee is much easier.
But it excludes people who don't have easy access to international banking.
Re: Breaking the 4Chan CAPTCHA
#207Earlier quoted context omitted.
What happened?
A lot of memes and shitposting, I assume. /pol/ was always political, pro-trump, and according to some was even important enough to influence elections. I find that claim dubious, but it's true that many pro-trump memes (and memes in general) were created on 4chan.
/pol/ is 100% a big factor in the rising popularity of MAGA and far-right nationalist sentiment among young men
Re: Breaking the 4Chan CAPTCHA
#208There is a reason why people moved away from distorted text based captcha. We are basically at the point where computers are better at them then humans. https://www.usenix.org/system/files/conference/woot14/woot14... is a paper on the subject i think is really interesting However a surprising amount of text based captchas can be solved in a few line shell script of, using imagemagik to convert to greyscale, dilate an…
Just because you can technically crack them doesn't mean they're useless. There's a significant amount of time, skill and effort that went into the solution from this post, and the end result doesn't generalize well (you'd have to start all over for a different kind of captcha). The vast majority of spammers would not be able to replicate this; those who do would either make money legitimately, or focus their skills…
Captchas are now useful to distinguish well-intentioned bots (they stop whenever they see captcha) from malicious ones, which solve them, but still behave a lot like bots.
Well-intentional bots are first-class citizens
Re: Breaking the 4Chan CAPTCHA
#209Earlier quoted context omitted.
This project was really my first decent introduction to computer vision and machine learning (along with that of those who helped me in various ways; none of them desired to be credited here other than the guy who collected some of the data for me.) It was definitely a successful learning exercise, and it's made me more confident tackling some other problems I've had in mind for awhile.
To help you out if you're interested: - a smeared gaussian in one axis and another in another axis can really help segmenting chars, finding lines of text in OCR - You can unshear chars using the Radon or Hough transform as a basis to understand the angle Went through MNIST a few weeks ago and I agree it's interesting!
Shearing is a linear operation that should be trivial for a NN to learn. Have you found that unshearing is actually useful? Was it to feed the image to an existing OCR program?
Re: Breaking the 4Chan CAPTCHA
#210If there is one blog I've fell in love it, it's nullpt.rs.
Still waiting for part 2 of Reverse Engineering Tiktok's VM Obfuscation