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A Training-Free Framework for Precise Mobile Manipulation of Small Everyday Objects by Gupta, Arjun; Sathua, Rishik; Gupta, Saurabh is a scholarly article available to read on EtoBox.

What is A Training-Free Framework for Precise Mobile Manipulation of Small Everyday Objects about?

Many everyday mobile manipulation tasks require precise interaction with small objects, such as grasping a knob to open a cabinet or pressing a light switch. In this paper, we develop Servoing with Vision Models (SVM), a closed-loop training-free framework that enables a mobile manipulator to tackle such precise tasks involving the manipulation of small objects. SVM employs an RGB-D wrist camera and uses visual servoing for control. Our novelty lies in the use of state-of-the-art vision models to reliably compute 3D targets from the wrist image for diverse tasks and under occlusion due to the end-effector. To mitigate occlusion artifacts, we employ vision models to out-paint the end-effector thereby significantly enhancing target localization. We demonstrate that aided by out-painting methods, open-vocabulary object detectors can serve as a drop-in module to identify semantic targets (e.g. knobs) and point tracking methods can reliably track interaction sites indicated by user clicks. This training-free method obtains an 85% zero-shot success rate on manipulating unseen objects in novel environments in the real world, outperforming an open-loop control method and an imitation learn

Author

Gupta, Arjun; Sathua, Rishik; Gupta, Saurabh

Published

2025

Language

EN