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stat.ML2024
Stein's method for marginals on large graphical models
Tiangang Cui, Shuigen Liu, Xin T. Tong
Many spatial models exhibit locality structures that effectively reduce their intrinsic dimensionality, enabling efficient approximation and sampling of high-dimensional distributi…
eess.SY2024
Estimate of Koopman modes and eigenvalues with Kalman Filter
Ningxin Liu, Shuigen Liu, Xin T. Tong +1
Dynamic mode decomposition (DMD) is a data-driven method of extracting spatial-temporal coherent modes from complex systems and providing an equation-free architecture to model and…
math.NA2024
Local MALA-within-Gibbs for Bayesian image deblurring with total variation prior
Rafael Flock, Shuigen Liu, Yiqiu Dong +1
We consider Bayesian inference for image deblurring with total variation (TV) prior. Since the posterior is analytically intractable, we resort to Markov chain Monte Carlo (MCMC) m…