NVIDIA unveils HorizonRelight: sliding-window context fixes lighting jumps in long video relighting
NVIDIAAI · x · 2026-09-11
NVIDIA Research and USC introduce HorizonRelight, tackling lighting inconsistency when diffusion-based video models relight long videos.
- Most diffusion video models are trained on short clips, so chunk-based relighting produces visible lighting jumps between segments
- HorizonRelight propagates target-domain context from one sliding window to the next, letting each section pick up where the last left off
- Result: noticeably more consistent lighting across the full video
The thread also highlights an SFU/IP Paris student team that won AI City Challenge Track 5 at ECCV 2026 by adapting Cosmos 3 Nano for generative traffic video forecasting.
Related event: NVIDIA and USC Release HorizonRelight for Consistent Video Relighting(2 posts)→
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