Reproduce “Object-Centric Data Synthesis for Category-level Object Detection” on OpenResearch

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About this paper

Vikhyat Agarwal, Jiayi Cora Guo, Declan Hoban, Sissi Zhang, Nicholas Moran, Peter Cho, Srilakshmi Pattabiraman, Shantanu Joshi

Researchers at UCLA and Analog Devices developed and evaluated object-centric data synthesis methods, including Diffusion Copy-Paste and 3D Random Placement, to generate training data for category-level object detection. These methods significantly improved detection performance in low-data regimes, particularly with a sequential training approach and when blending diverse synthetic data types.

Key insights

  • A sequential training scheme, where models are first finetuned on synthetic data and then on a small fraction of real data, generally outperforms directly mixing synthetic and real data.
  • Synthetic data generation, even with simplified approaches, substantially boosts object detection performance in data-scarce regimes, often matching performance achieved with significantly larger quantities of real data.
  • Combining diverse synthetic data generation strategies (e.g., mixing different synthetic methods) further enhances model robustness and detection accuracy, compensating for individual method limitations.

Summary by alphaXiv.

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