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first day in TWEET

Reached 100 citations! scholar.google.com/citations?user…

Preprint of today: Jiang et al., "Geo4D: Leveraging Video Generators for Geometric 4D Scene Reconstruction" -- geo4d.github.io Fine-tune a video model to estimate ray, point maps, depth, then aggregate estimates of sliding windows through a multi-modal alignment.

Geo4D: Leveraging Video Generators for Geometric 4D Scene Reconstruction Zeren Jiang, Chuanxia Zheng, Iro Laina, Diane Larlus, Andrea Vedaldi tl;dr: point+disparity+ray maps->pre-trained video diffusion model->CLIP->query transformer->U-Net->VAE decoder->alignment arxiv.org/abs/2504.07961

Play 4D scenes part 2. With the same monocular video input, Geo4D (github.com/jzr99/Geo4D) can now provide a more robust and clear 4D reconstruction result. CRAZYYY. I cannot imagine what is next. 4DGS from monocular video? I think it's feasible already.