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SwitchLight: Co-design of Physics-driven Architecture and Pre-training Framework for Human Portrait Relighting

Hoon Kim · Hoon Kim · Wonjun Yoon · Jisoo Lee · Donghyun Na · Sanghyun Woo

Arch 4A-E Poster #86
award Highlight
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Fri 21 Jun 5 p.m. PDT — 6:30 p.m. PDT


We introduce a co-designed approach for human portrait relighting that combines a physics-guided architecture with a pre-training framework. Drawing on the Cook-Torrance reflectance model, we have meticulously configured the architecture design to precisely simulate light-surface interactions. Furthermore, to overcome the limitation of scarce high-quality lightstage data, we have developed a self-supervised pre-training strategy. This novel combination of accurate physical modeling and expanded training dataset establishes a new benchmark in relighting realism.

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