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HELIOS: From midnight to noon, continuous outdoor urban scene relighting

arXiv · AI, language, vision and robotics · article · Sep 1, 2026 · UTC

Modifying the illumination of driving images is a fundamental challenge, as most datasets are captured at specific times of day. Existing methods rely on synthetic data or paired multi-illumination supervision, which limits their generalization to the diverse and challenging conditions of real-world scenarios. To address this, we propose HELIOS, a novel image relighting approach that relies on unlabeled real-world datasets without requiring any paired images for training. Our approach integrates albedo-based conditioning into a cycle-consistent diffusion pipeline to prevent identity collapse a

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First collected: 2026-09-21T06:11:57.537Z. This is not the publication date.