GAUDI: Geometry-Aware Diffusion for Calibrated Air-Quality Time-Series Imputation
A block-specific, GAUDI-aligned conditional diffusion imputer is studied that retains temporal and feature processing, visible-value and mask conditioning, variable identity, and diffusion-step information, while suppressing absolute time-position side embeddings.
Xin-Jin Li, Yu-Di Xia, Calvin Chang Liu et al.
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