Author

Simon Nikolaus Weber

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Preprint Sep 2026

Guiding Image-to-3D Generation with Test-Time Partial Observations

This work introduces a training-free framework for incorporating partial geometric observations into pretrained image-to-3D generative models without retraining or finetuning, and demonstrates that pretrained image-to-3D models can effectively integrate partial geometric observations through explicit test-time guidance...

Jerred Chen, Simon Nikolaus Weber, Ronald Clark · 0 citations

Preprint Aug 2026

Initialization-Free Bundle Adjustment Revisited: A Controlled Experimental Study

The results suggest that the main challenge of InitFree BA is not merely minimizing OSE objectives, but obtaining projective reconstructions that admit reliable metric upgrade, a problem largely unexplored within the computer vision community.

Simon Nikolaus Weber, Mateo de Mayo, Je Hyeong Hong et al. · 0 citations