ARTFEED — Contemporary Art Intelligence

RecGen: 3D Scene Reconstruction from Sparse Observations

ai-technology · 2026-05-01

Researchers have created an innovative framework called RecGen, designed to estimate the shapes and poses of objects and their parts, even when they’re partially hidden, using one or more RGB-D images. This method combines synthetic scene generation with strong 3D shape models to handle different object types and real-life environments. RecGen has achieved a new high in performance on challenging datasets with heavy occlusions, effectively dealing with difficult cases like symmetrical objects and complex textures. Impressively, it requires nearly 80% fewer training meshes than the previous leader, SAM3D, while outperforming it by 30.1% in geometric accuracy, 9.1% in texture quality, and 33.9% in other metrics, which is vital for advancing robotics simulation.

Key facts

  • RecGen is a generative framework for 3D scene reconstruction.
  • It handles occlusion and partial visibility from RGB-D images.
  • Uses compositional synthetic scene generation and 3D shape priors.
  • Achieves state-of-the-art performance on occluded datasets.
  • Uses nearly 80% fewer training meshes than SAM3D.
  • Outperforms SAM3D by 30.1% in geometric shape quality.
  • Outperforms SAM3D by 9.1% in texture reconstruction.
  • Aims to enable scalable simulation for robotics.

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