Search Results for author: Zirui Yan

Found 3 papers, 0 papers with code

Causal Bandits with General Causal Models and Interventions

no code implementations1 Mar 2024 Zirui Yan, Dennis Wei, Dmitriy Katz-Rogozhnikov, Prasanna Sattigeri, Ali Tajer

First, the structural causal models (SCMs) are assumed to be unknown and drawn arbitrarily from a general class $\mathcal{F}$ of Lipschitz-continuous functions.

Robust Causal Bandits for Linear Models

no code implementations30 Oct 2023 Zirui Yan, Arpan Mukherjee, Burak Varici, Ali Tajer

Cumulative regret is adopted as the design criteria, based on which the objective is to design a sequence of interventions that incur the smallest cumulative regret with respect to an oracle aware of the entire causal model and its fluctuations.

Image denoising via K-SVD with primal-dual active set algorithm

no code implementations19 Jan 2020 Quan Xiao, Canhong Wen, Zirui Yan

K-SVD algorithm has been successfully applied to image denoising tasks dozens of years but the big bottleneck in speed and accuracy still needs attention to break.

Image Denoising

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