Search Results for author: Sichen Yang

Found 3 papers, 2 papers with code

Exact Recovery of Community Detection in dependent Gaussian Mixture Models

no code implementations23 Sep 2022 Zhongyang Li, Sichen Yang

We study the community detection problem on a Gaussian mixture model, in which (1) vertices are divided into $k\geq 2$ distinct communities that are not necessarily equally-sized; (2) the Gaussian perturbations for different entries in the observation matrix are not necessarily independent or identically distributed.

Community Detection

Nonlinear model reduction for slow-fast stochastic systems near unknown invariant manifolds

1 code implementation5 Apr 2021 Felix X. -F. Ye, Sichen Yang, Mauro Maggioni

Given only access to a black box simulator from which short bursts of simulation can be obtained, we design an algorithm that outputs an estimate of the invariant manifold, a process of the effective stochastic dynamics on it, which has averaged out the fast modes, and a simulator thereof.

Efficient Exploration

Image Super-Resolution Using a Wavelet-based Generative Adversarial Network

1 code implementation24 Jul 2019 Qi Zhang, Huafeng Wang, Sichen Yang

Existing work like Super-Resolution Using a Generative Adversarial Network (SRGAN) can effectively restore the texture details of the image.

Generative Adversarial Network Image Super-Resolution

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