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RoboticsDeformable objectsStory 04

A robot imagines the hidden half of fabric

What changedA compact recurrent model reconstructs the full shape of rope and fabric from measurements at only their corners, including portions hidden from view. It runs hundreds to more than a thousand times faster per forward pass than the paper’s physics baseline and closes a control loop on a Unitree Go2. That speed makes shape prediction useful inside model-predictive control rather than only after an experiment.

Full-shape estimation and closed-loop control for rope and fabric on a Unitree Go2

The useful part

Why it matters

Fast estimates of an entire deformable object could let robots plan around folds and hidden geometry without dense sensing everywhere.

Worth doing

What to do next

Test unfamiliar materials, self-occlusion and failure recovery before relying on the inferred shape around people or fragile objects.

Keep in mind

Good to know

The model is evaluated on the authors’ systems and task distributions, where corner measurements may be unusually informative.

Evidence

Primary source

cRVAE authors

Read the complete 10 September 2026 edition