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Author

Nanshan Jia

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Open access Aug 2026

Learning to Simulate from Heavy-Tailed Distribution via Diffusion Model

In Learning to Simulate from Heavy-Tailed Distribution via Diffusion Model, the authors pinpoint why standard diffusion models break down on heavy-tailed targets and propose a Student-t-based heavy-tailed diffusion (SHD) framework that fixes both ends of the pipeline.

Haoyu Liu, Tingyu Zhu, Nan-Shan Jia et al. · 5 citations
#computer vision Review Jul 2026

3D-DefectBench: A Controlled Factorial Study of Vision-Language Model Evaluation Pipelines for Fine-Grained 3D Generation Defects

3D-DefectBench is introduced, a benchmark and framework for systematic analysis of VLM-based 3D defect detection pipelines, and finds that automated judges should be evaluated as complete pipelines and calibrated across human reference regimes, rather than benchmarked only as standalone models.

Zhenyu Zhao, Nanshan Jia, Jihyeon Je et al. · 0 citations

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