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All of Winona Police Department's Flock cameras cut down and stolen

https://www.valleynewslive.com/2026/08/04/every-flock-camera-winona-minnesota-cut-down-stolen-coo...
162•NDlurker•1h ago•70 comments

Show HN: Simple algorithm and color space to generate diverse skin tones

https://toneyalexander.github.io/inclusive-color-space/
260•automatoney•3h ago•62 comments

Hop.earth – OpenStreetMap based car racing game

https://hop.earth/?server=lkhr7&route=fQ5nuu9R
19•faebi•45m ago•14 comments

The Warp Agent CLI

https://www.warp.dev/blog/introducing-the-warp-agent-cli-coding-agent
27•emschwartz•1h ago•6 comments

Security Is Hard, Y'all

https://textslashplain.com/2026/08/04/security-is-hard-yall/
7•kevincox•11m ago•0 comments

Dataset: Dead mental health startups, 2000-2026, coded on 18 fields

https://mentalium.me/en/research/mental-health-startup-graveyard-dataset/
21•trubetskov•1h ago•7 comments

DeepSeek V4 Flash on a Single AMD MI300X

https://github.com/ryanzhou/deepseek-v4-flash-mi300x
311•zhoutong•8h ago•72 comments

Vlt 1.0 and Hosted Package Registries

https://www.vlt.io/blog/1-0
18•patrikcsak•56m ago•1 comments

Truemetrics (YC S23) Is Hiring in Berlin – GTM Lead

https://www.ycombinator.com/companies/truemetrics/jobs/bIQQ7tP-founding-gtm-lead
1•truemetricsIngo•1h ago

Apple says more ex-employees may have taken confidential data to OpenAI

https://techcrunch.com/2026/08/04/apple-says-more-ex-employees-may-have-taken-confidential-data-t...
185•thewebguyd•3h ago•119 comments

Keyv and friends compromised in active Shai-Hulud supply chain attack

https://www.aikido.dev/blog/keyv-and-friends-compromised-in-npm-supply-chain-attack
181•cimi_•7h ago•93 comments

AI Data Centers Are Driving Up Power Bills – This Map Shows Where

https://www.gadgetreview.com/ai-data-centers-are-driving-up-power-bills-this-map-shows-where
28•01-_-•43m ago•2 comments

Online ad giant Adform was hacked, proving once again why ad blockers are needed

https://this.weekinsecurity.com/online-advertising-giant-adform-was-hacked-proving-once-again-why...
148•speckx•3h ago•47 comments

Blackmail Fail (2013)

https://gwern.net/blackmail
3•simonebrunozzi•29m ago•0 comments

Buckminster Fuller: everything I know (1975)

https://www.bfi.org/about-fuller/everything-i-know/
104•simonebrunozzi•7h ago•31 comments

Why some people mow a lawn better than others

https://pudding.cool/2026/06/mow/
5•carlos-menezes•34m ago•1 comments

Show HN: cMCP, deny an AI agent's tool call and get a signed receipt

https://github.com/agentrust-io/cmcp
6•mosiddi•34m ago•0 comments

It's not a fear of "AI communism"; it's a fear of competitive market capitalism

http://observationalepidemiology.blogspot.com/2026/07/its-not-fear-of-ai-communism-its-fear.html
36•speckx•4h ago•28 comments

Harness Engineering for Self-Improvement

https://lilianweng.github.io/posts/2026-07-04-harness/
249•tosh•12h ago•55 comments

Dates That Don't Exist (2015)

https://blog.yossarian.net/2015/06/09/Dates-That-Dont-Exist
82•EndXA•3d ago•54 comments

MariaDB: Promote getting to 10k GitHub stars in server log and client prompt

https://github.com/MariaDB/server/pull/4262
14•petecooper•2h ago•5 comments

Xbox goes down. You can't play games you own on disc

https://birchtree.me/blog/xbox-goes-down-you-cant-play-games-you-own-on-disc/
435•surprisetalk•6h ago•504 comments

Mistral's Shieldstral: 3B open-weights model for multimodal moderation

https://mistral.ai/news/shieldstral/
11•riadsila•2h ago•1 comments

What's Behind the Sharp Drop in Labor Force Participation?

https://www.stlouisfed.org/on-the-economy/2026/aug/what-is-behind-sharp-drop-labor-force-particip...
4•toomuchtodo•1h ago•1 comments

Perspec 1.0

https://adriansieber.com/announcing-perspec-1-0/
12•surprisetalk•3h ago•1 comments

Show HN: Fine-tune an 8B model on a 4 GB laptop GPU

https://github.com/MakazhanAlpamys/Soup
103•MakazhanAlpamys•7h ago•18 comments

Looking inside a 1970s PROM chip that stores data in microscopic fuses (2019)

https://www.righto.com/2019/07/looking-inside-1970s-prom-chip-that.html
30•Jimmc414•3d ago•6 comments

Why Large Language Models Fail at Tabular Prediction

https://arxiv.org/abs/2608.02412
86•sbulaev•8h ago•30 comments

The Knowledge Chipper: An Agentic Coding Story

https://jg.gg/2026/08/04/the-knowledge-chipper/
7•jgbbrd•1h ago•1 comments

Why etymologies matter: How tracing words can illuminate history (2024)

https://resobscura.substack.com/p/why-i-love-etymologies
84•benbreen•3d ago•16 comments
Open in hackernews

Building an agentic image generator that improves itself

https://simulate.trybezel.com/research/image_agent
67•palashshah•1y ago
Hey HN! We recently graduated from YC, and have been building customer personas for large e-commerce companies. We recently expanded into the image generation space, and have been working on research about how to automatically improve the quality of generated images.

Comments

average_r_user•1y ago
Quite interesting, do you have some documentation of your platform and capabilities? Your landing page is quite synthetic
palashshah•1y ago
hey! we're working with an initial set of customers, and plan to launch full capabilities soon. stay tuned :)
ramesh31•1y ago
This is a wonderful writeup of building a simple agentic system in general. What OP describes is more or less the bare minimum you should be doing at this point to get good (consistent) results from an LLM; single-shot prompting is a thing of the past.
palashshah•1y ago
appreciate the compliment! yep, it's definitely necessary and is the bare minimum for building image generation systems in production.
shmoogy•1y ago
I'm surprised you landed on using o3 as the judge - we found it way too expensive. I use llm as a judge for generating color variations of products, definitely hoping for some improvements - it can be brutal to get non hallucinated features along with proper final rendering.
omneity•1y ago
Have you tried open weights vision models such as Qwen VL, MiniCPM, PaliGemma...?

I'm also curious how usable are simpler vision models such as Florence in case you explored this direction.

palashshah•1y ago
we're currently in the process of doing this. i think something that could potentially work is to iterate upon the initial image composition / structure using cheaper models, and then upscale at the end. this way you're saving on that iteration cost, but eventually land on a higher-scale image.
shmoogy•1y ago
I actually haven't but nova from Amazon was surprisingly good at things like bounding boxes compared to some others You kind of have to test and measure so many different aspects to get the best at specific tasks Thanks for the idea
elif•1y ago
This is great and provides a good starting point for any similar efforts.

However I think the temptation to lean all tasks on AI is perhaps a little naive if not lazy.

For mask generation, there is really not much reason to use AI. In this example, simple stochastic blob detection, a trivial function you could get from openCV or ask a college sophomore to write would generate much better quality masks.

palashshah•1y ago
totally agreed here. i think my goal primarily with the mask generation was to test out how effective openai's capabilities were.

we're currently working on pipelines that limit the the involvement of AI to various tasks. for example, when generating an ad there's usually logo, some banner text, and background image.

we can use gpt-image-1 to generate the background image, another LLM to identify the coordinates of where we place the logo, and just add the logo onto the image. this is just one example!

jackphilson•1y ago
Why do you agree? I think we should outsource as much as we can to abstraction. We've been doing it forever.
dandelany•1y ago
"Simple stochastic blob detection" is an abstraction. You write (or import) a function where the the gnarly logic lives and call `detectBlobs()`. "Use an abstraction" doesn't mean you should use the same abstraction for every task, you should use the right tool for the job.
mentalgear•1y ago
Again another example of "the unreasonable effectiveness of LLMs in a loop". At with time, the tasks for loop become bigger and more complex, until we find ourselves "outlooped" at least job wise.
ramoz•1y ago
Nice retrospective but I guess this process is no longer needed as model's get better; esp as they start enabling features like consistent subjects. Seems like a lot of overhead to correct text for inspirational images, but I can imagine you need to always present some form of _quality_ to your clients.

Feel like control nets and some minimal photoshop work would've been better.

palashshah•1y ago
totally. it got to a point where most of the text generated in our images was incorrect, and so it wasn't a great look showing that to our clients.

we're actually working on some form of what you described where we take images generated from LLMs + add consistent logos discretely rather than generatively.

abshkbh•1y ago
Palash this is a great post, I learnt a lot as an image gen noob! Keep writing more :)
palashshah•1y ago
this is incredible to hear! i plan to keep writing on a weekly basis, and will be posting them on twitter.
t_mann•1y ago
I was kind of hoping this would be in the 'Dreambooth mold' of finetuning open weights models. I have used that with some success some ~2 years ago, does anyone know what improvements there have been in that direction since Dreambooth?
zahlman•1y ago
It's frankly amazing to me that "ask another LLM to evaluate the image" actually produces useful feedback that results in actual improvement from the first LLM.

But then, I guess it's not much different of an idea from the earlier use of GANs, or of telling LLMs to "stop hallucinating", etc.

palashshah•1y ago
totally. the way i think about it (purely based on intuition) is that asking an LLM to do understanding + image generation is too complex for it to be effective. if we separate out the tasks into discrete steps, the evaluation becomes better, and the generation simply becomes instruction following.
jacob019•1y ago
This is all edited with gpt-image-1? The revised images are amazing. Were example logos provided or is it just working off of it's knowledge of a well known brand?