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Branch Privilege Injection: Exploiting branch predictor race conditions

https://comsec.ethz.ch/research/microarch/branch-privilege-injection/
173•alberto-m•1h ago•53 comments

PDF to Text, a challenging problem

https://www.marginalia.nu/log/a_119_pdf/
106•ingve•3h ago•62 comments

Multiple Security Issues in GNU Screen

https://www.openwall.com/lists/oss-security/2025/05/12/1
268•st_goliath•6h ago•154 comments

Show HN: Helixdb – Open-source vector-graph database for AI applications (Rust)

https://github.com/HelixDB/helix-db/
15•GeorgeCurtis•53m ago•3 comments

It Awaits Your Experiments

https://www.rifters.com/crawl/?p=11511
48•pavel_lishin•2h ago•12 comments

Launch HN: Miyagi (YC W25) turns YouTube videos into online, interactive courses

93•bestwillcui•5h ago•68 comments

Ask HN: How are you acquiring your first hundred users?

351•amanchanda•9h ago•226 comments

Membrane, Media Framework for Elixir

https://membrane.stream/
51•lawik•3d ago•7 comments

A Taxonomy of Bugs

https://ruby0x1.github.io/machinery_blog_archive/post/a-taxonomy-of-bugs/index.html
18•lissine•2h ago•3 comments

I learned Snobol and then wrote a toy Forth

https://ratfactor.com/snobol/
89•ingve•2d ago•22 comments

GOP sneaks decade-long AI regulation ban into spending bill

https://arstechnica.com/ai/2025/05/gop-sneaks-decade-long-ai-regulation-ban-into-spending-bill/
80•Jtsummers•1h ago•60 comments

Google’s unfinished DeX-like desktop mode for Android

https://tech.yahoo.com/phones/articles/first-look-google-unfinished-dex-181424457.html
43•logic_node•3h ago•56 comments

The world could run on older hardware if software optimization was a priority

https://twitter.com/ID_AA_Carmack/status/1922100771392520710
443•turrini•7h ago•390 comments

PyPI Organizations

https://blog.pypi.org/posts/2023-04-23-introducing-pypi-organizations/
8•calpaterson•41m ago•1 comments

In a high-stress work environment, prioritize relationships

https://wqtz.bearblog.dev/high-stress-job-relationships/
208•wqtz•5h ago•132 comments

Insurers launch cover for losses caused by AI chatbot errors

https://www.ft.com/content/1d35759f-f2a9-46c4-904b-4a78ccc027df
45•jmacd•2d ago•19 comments

A programming language made for me

https://zylinski.se/posts/a-programming-language-for-me/
123•gingerBill•9h ago•125 comments

FastVLM: Efficient vision encoding for vision language models

https://github.com/apple/ml-fastvlm
335•nhod•17h ago•68 comments

Why are coffee stains darker at the edges?

https://www.why.is/svar.php?id=5513
104•michalpleban•1d ago•37 comments

Mill as a Direct Style Build Tool

https://mill-build.org/blog/12-direct-style-build-tool.html
3•lihaoyi•3d ago•1 comments

Mozilla Firefox – Official GitHub repo

https://github.com/mozilla-firefox/firefox
723•thefilmore•12h ago•392 comments

Show HN: Basecoat – shadcn/UI components, no React required

56•hunvreus•6h ago•27 comments

Anti-Personnel Computing (2023)

https://erratique.ch/writings/anti-personnel-computing
100•transpute•10h ago•44 comments

The great displacement is already well underway?

https://shawnfromportland.substack.com/p/the-great-displacement-is-already
141•JSLegendDev•1d ago•50 comments

Show HN: A5

https://github.com/felixpalmer/a5
62•pheelicks•8h ago•18 comments

Detecting if an expression is constant in C

https://nrk.neocities.org/articles/c-constexpr-macro#detecting-if-an-expression-is-constant-in-c
16•signa11•4d ago•11 comments

Open Hardware Ethernet Switch project, part 1

https://serd.es/2025/05/08/Switch-project-pt1.html
250•luu•4d ago•30 comments

Chrome's New Embedding Model: Smaller, Faster, Same Quality

https://dejan.ai/blog/chromes-new-embedding-model/
11•kaycebasques•3h ago•1 comments

Trial by Fire: The crash of Aeroflot flight 1492

https://admiralcloudberg.medium.com/trial-by-fire-the-crash-of-aeroflot-flight-1492-ee61cebcf6ec
66•shmeeed•11h ago•27 comments

TheForger's Win32 API Tutorial

https://winprog.org/tutorial/
7•xeonmc•4h ago•0 comments
Open in hackernews

Show HN: AI-powered batch photo editor for real estate photographers

https://4ditor.com/
8•kibet•4d ago
I got tired of repetitive editing tasks, so I built a tool that simplifies bulk edits using text prompts and AI workflows.

Now I can quickly handle things like virtual staging, changing backgrounds, adding/removing objects, adjusting brightness and exposure, color corrections, boosting contrast and clarity, fixing distortions, batch color grading and much more!

But most importantly, I can do this to all selected images, tens, hundreds or more.

I'm particularly interested in feedback on the workflow and UI from photographers/editors who handle large volumes of images.

I've increased the free plan credits to 40 so you can edit up to 40 images, if you'd like to help me trial it out.

Otherwise I'm happy to answer any questions about the implementation or roadmap.

Comments

squeakywhite•1d ago
Interesting idea, however I think more focus needs to be put on ensuring that the photos still represent reality (as much an AI edited photo can). E.g. in the first example under Stage Empty Rooms, the type of window changes between the original and edited photo. I think focusing on more subtle edits to improve the consistency and appearance of photos, maybe with the odd object removal, would be a safer bet.
kibet•16h ago
Gotcha. That's what wakes me up every day! It's a work in progress so this should be getting better by the day. Structural integrity must be maintained! I'm on it.
motoxpro•1d ago
This is one of those things that makes a ton of sense, will be a successful product (whether here or, most likely, integrated into Zillow, Expedia, etc. for real estate, hotels, vacation rentals), but completely bums me out because the whole point of photos is to see what it looks like in reality.

Not one of the photos stays true to reality. I know AI will get better and more accurate and make less mistakes, but the end state is the platforms, or sellers, saying "Eh, let's just cover up that little hole or up the quality of the flooring or remove that branch that obscures the view."

linsomniac•1d ago
The virtual staging is tricky, my company has been keeping an eye on the various options for it for a while and they tend to make what we consider "surprising" changes. Buyers are used to staging where there is furniture and art brought in, but the structure of the property they expect to be what they see in the photo. The example on this page has changed the window and flooring, and made what look like some painting and drywalling changes from what you'd get if you purchased the property. Another thing that often happens is that outside scenery changes, what you see through the windows.
kibet•16h ago
Virtual staging is sometimes a hit and miss for us, especially for small, constricted spaces - the AI would just blatantly changes the structural integrity of the room and show something else.

Outside scenery is even worse with different seasons, it's ridiculous some times. But we've found for the most part, it tends to get it right. The other good thing is it's not a one shot thing, you get to keep revising it until it looks exactly as you'd want it. You can even target specific areas of the image you'd like to see and edit that part.

kibet•16h ago
I get your point, totally. My Goal with this is to ease the burden of editing. Now, people already editing their photos at the moment, and they spend a ton of time and money doing that. My goal with this is to make the process a tad easier, cheaper and faster for most.

Now unfortunately some people will take this too far and cover up every hole and crack, completely obfuscating reality. That will be the unfortunate outcome from some

neilv•1d ago
Please continue to be conscientious in which directions that you do and don't go with this, especially for rentals.

(When renters might be deciding entirely from photos, or be over a barrel when they arrive in town the last week of August, and are told to show up for a 5-minute tour with their checkbook in hand).

I'm starting to see people using photo enhancement for old apartments here in Boston, to obscure the condition of the apartment.

Originally, it was just the superwide shots that made the space look much bigger than it is. (Incidentally, be careful when removing distortion cues that this is going on, or you might make it even more deceptive.)

Then it started doing generated "staged" furniture and decorations, which are still fairly innocuous, although they can potentially cover up problems with condition and quirky architecture.

But now, with all-out "AI-filtered" "photos" (or sometimes 3D renders, like for new-construction apartment floorplans), you can't necessarily tell that a $3K 1BR is 150 years old, and minimally maintained, with grime that can't be cleaned, and suspended ceiling panels hiding the collapsed original ceiling, and the only renovation in the last few decades was a can of paint sloshed onto unfinished sheet of plywood wall from a budget apartment conversion.

kibet•16h ago
My goals are really to make it easy for managers of these properties to edit their existing photos to look more professional without spending lots of time and money. Target is for them to just get the photos looking "good enough" bc I know AI won't be perfect as well.

Given, some people will use this to deceive their customers by blowing things out of current proportions but we can't help much in that case. Should I find any way to help though, I shall!

linsomniac•1d ago
I'm curious if they'll get much traction at this price point. While there is a lot of money in a real estate transaction, agents seem to be (in general) pretty thrifty with spending. For example, their Starter plan is around what an agent's MLS fees will be. My company often buys third party tooling for all our agents use, but this price-point isn't even in the ballpark where we'd even consider it.

My impression is that the people that would be willing to pay for this, are the top producers who are likely to have a professional photographer doing it anyway. And the people who need it the most are the ones who seem to be the most thrifty -- the long-tail that aren't top producers. Maybe there's a middle ground in that grey area there that they're targeting?

(For reference: I'm head sys admin for an MLS; in the arena but not directly working with agents)

kibet•16h ago
4ditor founder here :). Our prices are actually on the lower end compared to what others in this space are charging. The market we are targeting is that which spends a ton on photography and editing, or that which knows they have to spend that much but do not have the budget, so yes you're right, that falls in the category of realtors, property managers and photographers.

A good number of photographers are already paying a big deal of money for different services to help them get professional photos, and a good number outsource editing - and it's quite pricey. So we're targeting this demographic so we can do some of that work for them. Granted, we will not do everything they have been getting professional editors do, but we should get them somewhere that is good enough for most people. Same thing for realtors.

joshka•1d ago
I'm bullish on AI, but this strikes me as fraud as a service....
kibet•16h ago
Why say that?