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Research Paper

Spatial Heatmap Representations for Few-Shot Manipulation

A technical validation record for preserving spatial structure across vision, language and action in FAM.

Published March 5, 2026Updated June 15, 2026
FAMSpatial RepresentationFew-Shot Learning

Research question

Can spatial structure be preserved more directly than a compressed one-dimensional representation while retaining an end-to-end manipulation policy?

Approach

FAM aligns visual, language and action information through two-dimensional and three-dimensional heatmap representations. The representation exposes task-relevant keypoints, object relationships and motion cues without spatial information loss.

Evaluation

The evaluation framework includes RLBench, peg insertion, drawer opening, lighting variation, background interference and obstacle interference.