arxivcs.CV2026-07-15
FreeLit: Paired-Free Indoor Relighting via Physics-Guided Diffusion
Chi-En Yen, Duy-Khanh Ngo, Wen-Wei Tang, Huu-Phu Do, Wen-Hsiao Peng, Ching-Chun Huang
Image-based indoor scene relighting remains challenging due to the complex interplay between cluttered geometry and local illumination, requiring precise modeling of light position, color, and intensity. Existing data-driven methods implicitly learn this relationship via paired m…