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About this paper
Mauricio Soroco, Yuqiu Liu, Zaid Tasneem, Francesco Pittaluga, Abhishek Aich, Wuyang Chen, Manmohan Chandraker, Ziyu Jiang
HorizonComposer edits driving videos to vary weather, seasons, and lighting while preserving traffic structure. It combines real and synthetic examples, uses pixel-level reliability signals to guide edits, and adds temporary transition frames to smooth conditioning on reference image. On geographically non-overlapping nuPlan locations, its road-line preservation score is 0.6220 versus SyntheticPip’s 0.5790, a 7.43% improvement; this measures preservation, not safety.
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