Author

Alex Wong

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Preprint Aug 2026

VisTa3D: A Dataset and Benchmark for Thin Object Reconstruction from Vision, Tactile, and 3D Point Clouds

State-of-the-art 3D reconstruction models, whether from visual, range, or both, tend to underperform on thin objects. This is partially due to the small amount of space such objects occupy in RGB images and in 3D point clouds. To test the extent of their errors, we collected the first thin object dataset comprising of...

Shania Guo, Yeongsik Seo, Andrew Fu et al. · 1 citation

#artificial intelligence Preprint Aug 2026

From Perspective to Fisheye Depth Estimation and Open-Vocabulary Segmentation

The crux of the method lies in a set of learnable parameters, termed Distortion Extenders (DEX), that model the fisheye distortion coefficients and the distributional shift between fisheye and perspective images encoded in the latent space, which transforms the latent embeddings of fisheye images to resemble those of p...

Rit Gangopadhyay, Alex Wong · 2 citations