On this occasion, we are going to analyze this paper presented at Pacific Graphics 2025, which introduces an iterative and efficient method for updating lightmaps. It avoids recalculating the entire lighting from scratch by processing only the residual changes generated when inserting or removing objects using a light transport operator.Read full paper:

https://momentsingraphics.de/Media/PG2025/lu2025-iterative_lightmap_updates-paper.pdf

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