Author

A. Buades

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Preprint Sep 2026

Double-stream registration with pyramid fusion for HDR video with alternating exposures

High dynamic range (HDR) video reconstruction from al\-ter\-na\-ting-exposure sequences remains challenging, especially in regions with extreme luminance variation. We propose a novel HDR reconstruction framework based on dual-stream registration and accurate pyramid fusion. Given three consecutive frames, our method c...

O. Martorell, Ivan Pereira-Sánchez, Antoni Fuentes et al. · 0 citations

Preprint Sep 2026

A Study of the Limits of Collaborative DCT-Based Image Denoising via Interpretable Neural Networks

Image denoising remains a fundamental problem in image restoration, with applications in photography, biomedical, and scientific imaging. Modern deep neural networks achieve strong performance by learning powerful image priors, but often rely on large black-box models with limited interpretability. In contrast, DCT-bas...

C. Comellas, Julia Navarro, A. Buades · 0 citations