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cs.CV2026
HyperbolicDiffusion: Sharp & Scalable Tiled Generation on the Hyperbolic Plane
Hugo Caselles-Dupré, Hugo Caselles-Dupré
Planar tiled diffusion denoises overlapping windows of one rectangular canvas. The hyperbolic plane has no such canvas, and its area grows exponentially with radius. We introduce H…
cs.CV2026
FrescoDiffusion: 4K Image-to-Video with Prior-Regularized Tiled Diffusion
Hugo Caselles-Dupré, Hugo Caselles-Dupré, Mathis Koroglu +3
Diffusion-based image-to-video (I2V) models are increasingly effective, yet they struggle to scale to ultra-high-resolution inputs (e.g., 4K). Generating videos at the model's nati…
cs.CV2025
Proportion and Perspective Control for Flow-Based Image Generation
Julien Boudier, Hugo Caselles-Dupré
While modern text-to-image diffusion models generate high-fidelity images, they offer limited control over the spatial and geometric structure of the output. To address this, we in…