Author

Laura Leal-Taixé

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Preprint Sep 2026

PixelUMM: Encoder-Free Unified Image and Video Understanding and Generation

Unified Multimodal Models (UMMs) often rely on separate visual representations for understanding and generation, increasing visual context length and complicating integration with established vision-language pretraining pipelines. Recent advances in pixel-space modeling offer an encoder-free alternative, but extending...

Cong Wei, Xuan-Chi Ren, Bryan Chu et al. · 1 citation

Preprint Aug 2026

Addressable Memory for Video World Models

This work proposes WorldTrace, a training-free memory framework for long-horizon visual persistence that keeps compressed memory addressable by assigning each summary slot a distinct, in-distribution virtual position.

Xindi Wu, Sven Elflein, James Lucas et al. · 1 citation