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About this paper

Chao Zhao, Chunli Jiang, Lifan Luo, Guanlan Zhang, Hongyu Yu, Michael Yu Wang, Qifeng Chen

MRChaos trains a robot in simulation to assemble unfamiliar seven-piece tangrams from silhouette prompts. The policy uses both the silhouette and a depth-camera view, learning through pixel-overlap feedback in a two-stage curriculum. On previously unseen human-created H-Fiendish tasks, it reaches 73.6% final coverage, versus 62.3% for behavior cloning. Real-world H-Hard deployment reaches 62.4% final coverage, within fixed-order planar assembly.

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