Scale Up Strategically: Learning Compositional Generalization via Bias-Aware Evaluation and Data Collection for Robotic Manipulation

Published
Source
arXiv
Paper number
709
Field
Robotics
arXiv ID
2607.21582

Key points

  • It builds a framework that decomposes language instructions into five factors, color, verb, object, size, and space, to measure bias.
  • It finds a consistent bias structure across six base policies in the order color, object, spatial, verb, and size.
  • It proposes two quantitative metrics, FDR for pairwise bias across factors and FDH for the full ranking.
  • The bias diagnostics show that focusing data collection on weak factors improves generalization in real robots.
  • It achieves better performance than the previous full dataset even when using only half of the demonstrations.

Paper links

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