FreKoo splits evolving model parameters into low-frequency trends and high-frequency noise, extrapolates the trends with a learned Koopman operator, and regularizes the noise to improve temporal domain generalization.
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Learning Robust Spectral Dynamics for Temporal Domain Generalization
FreKoo splits evolving model parameters into low-frequency trends and high-frequency noise, extrapolates the trends with a learned Koopman operator, and regularizes the noise to improve temporal domain generalization.