Preprint
Sep 2026
HELIOS: From midnight to noon, continuous outdoor urban scene relighting
HELIOS is proposed, a novel image relighting approach that relies on unlabeled real-world datasets without requiring any paired images for training, and integrates albedo-based conditioning into a cycle-consistent diffusion pipeline to prevent identity collapse and ensure accurate domain translation.
Hala Djeghim, Nathan Piasco, Luis Roldão et al.
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