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Posted by halcdev 6 hours ago

After 600 experiments, here's what I discovered about JEPA world models(haddyalchaer.com)
200 points | 33 commentspage 2
taikon 4 hours ago|
There's weird subtle moving rainbow color hues on this webpage on mobile
rvz 4 hours ago||
We are doomed if most of the comments here are just talking about the website layout and not the contents of the article.

Anyway:

> The physics of pushing a block doesn't change if you shift, rotate or mirror the whole table. So when the graph has no states near a goal, it can take demonstration segments from elsewhere, transform them to fit the gap, and plan through those. With these transformed segments, success came back to 85%

This is an interesting technique to recover incomplete states or lost memories after demonstration. I'm guessing that the original LeWM does not have technique of transformative memories if I am correct?

prohackernewsus 4 hours ago||
Cool
mequelkramer 4 hours ago||
[flagged]
kooi 4 hours ago||
I'm calling it: JEPA is what unlocks general robotics. In a autonomy stack, LLMs are only useful at the planning level and above.
Ohentis 5 hours ago|
Website is borderline unusable on my phone. I suspect because of the animations? Either way not a great state of affairs
phoghed 5 hours ago||
For anyone considering skipping because of this, it works flawlessly on my several year old iPhone.

There is a faint somewhat distracting background animation though I think…

halcdev 5 hours ago||
Thanks! Glad to know it works for most people. I reduced the bg animation intensity.
bsboxe 5 hours ago|||
Works perfectly fine for me on iOS 27.3 (with the exception of some glitching that was solved by disabling adaptive dark mode)
halcdev 5 hours ago|||
Sorry about that- will investigate. What OS/browser are you using?
dofm 4 hours ago||
Older intel macs initially have quite large blank areas of scroll while the figures later in the page render.

Much better after scrolling through and then reloading.

Aboutplants 5 hours ago||
Looks perfectly fine for me