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Score-PA: Score-based 3D Part Assembly

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arxiv 2309.04220 v1 pith:O6KUJO7Y submitted 2023-09-08 cs.CV

classification cs.CV
keywords assemblypartscore-basedscore-pataskalgorithmframeworknovel
verification ladder T0 review T1 audit T2 compute T3 formal

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Autonomous 3D part assembly is a challenging task in the areas of robotics and 3D computer vision. This task aims to assemble individual components into a complete shape without relying on predefined instructions. In this paper, we formulate this task from a novel generative perspective, introducing the Score-based 3D Part Assembly framework (Score-PA) for 3D part assembly. Knowing that score-based methods are typically time-consuming during the inference stage. To address this issue, we introduce a novel algorithm called the Fast Predictor-Corrector Sampler (FPC) that accelerates the sampling process within the framework. We employ various metrics to assess assembly quality and diversity, and our evaluation results demonstrate that our algorithm outperforms existing state-of-the-art approaches. We release our code at https://github.com/J-F-Cheng/Score-PA_Score-based-3D-Part-Assembly.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Geometric Point Attention Transformer for 3D Shape Reassembly

    cs.CV 2024-11 conditional novelty 6.0 of 10

    GPAT is a transformer with geometric point attention and an iterative recycling scheme that improves 6-DoF part pose prediction on both semantic and geometric 3D shape assembly benchmarks.

  2. Leveraging Pretrained Diffusion Models for Zero-Shot Part Assembly

    cs.CV 2025-05 reject novelty 5.0 of 10

    The authors propose a zero-shot part assembler that repeatedly denoises a perturbed assembly with a pretrained diffusion model and aligns each part to the denoised cloud using ICP.

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