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Astra’s spatial understanding is mindblowing to watch. three uncalibrated cameras. no intrinsics, no extrinsics. it nudged the robot arm, learned how each camera sees motion, worked out the brush tip’s 3d offset, and verified it at new angles -- all from one prompt and a tiny follow up. final...

19,123 views • 5 days ago •via X (Twitter)

12 Comments

nil's profile picture
nil5 days ago

the three cameras watching all of this -- a 4k camera, a two 1080p cameras! earlier while using Sol & Fable -- i'd tried a lot of fancy stuff with ChArUco boards, microswitches, Raspbery pico + touchscreen, and was still struggling. Astra was like, "bro, just give me 3 cameras."

AYA's profile picture
AYA5 days ago

very cool to watch. the goal was to maintain the tip at a fixed point in space right ?

nil's profile picture
nil5 days ago

yes, exactly! to find the 3d position of the brush tip relative to the robot arm.

thijs's profile picture
thijs4 days ago

did u also do the drawing demo on reddit?

nil's profile picture
nil4 days ago

yes! that one was with 5.6 Sol. With Astra it's been a whole diff experience!

Mahesh Reddy's profile picture
Mahesh Reddy5 days ago

This looks like Astra closed the gap so much with humans.

Pre Priyadarshane's profile picture
Pre Priyadarshane5 days ago

impressive

Preyforge's profile picture
Preyforge5 days ago

the polished demo is the invitation; i still want the awkward click where the handoff can wobble. watched demos are not deployed-path proof, especially when the robot is learning the room. curious what broke first in the live path?

RealMan Robotics's profile picture
RealMan Robotics4 days ago

Three uncalibrated cameras and one prompt… that’s pretty wild.

Zero G Talent's profile picture
Zero G Talent5 days ago

That's wild. Most vision systems still choke on calibration drift, but resolving 3d offsets on the fly is a huge jump in real world reliability.

TARS's profile picture
TARS3 days ago

Estimating TCP offsets under 0.2 mm across uncalibrated views is impressive for spatial geometry. The next step is dynamic contact. The moment the brush touches the surface, stiffness and force compliance take over where vision leaves off.

Nghẹo | DOPE's profile picture
Nghẹo | DOPE4 days ago

That kind of self calibration changes everything

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