arXiv Computer Vision
DRHeC: Differentiable Rendering for Hand-Eye Calibration with RGB-Based Gradients
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DARP: A Calibrated Dual-Arm RGB-D-IR Dataset for Multi-View Robotic Perception
arXiv:2608.31002v1 Announce Type: cross Abstract: Robotic perception from a single viewpoint is often limited by self-occlusion and incomplete surface visibility. This paper presents DARP(Dual-Arm Ro...
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Hydra: Marker-Free RGB-D Hand-Eye Calibration
Hydra introduces a marker‑free RGB‑D hand‑eye calibration method that leverages a novel ICP algorithm with a robust point‑to‑plane objective on a Lie algebra. Experiments on three serial manipulators and two RGB‑D cameras show that with only three random robot configurations the method achieves about 90% successful calibrations, 2–3× faster convergence to the global optimum, and 2 orders of magnitude faster convergence time (0.8 ± 0.4 s) compared to other marker‑free baselines. The approach delivers improved accuracy (5 mm in task space versus 7 mm for classical methods) while remaining marker‑free, and the authors provide an open‑source dataset, code, and ROS 2 integration.