Search Results for author: Yonghui Zhang

Found 5 papers, 0 papers with code

Does Principal Component Analysis Preserve the Sparsity in Sparse Weak Factor Models?

no code implementations10 May 2023 Jie Wei, Yonghui Zhang

This paper studies the principal component (PC) method-based estimation of weak factor models with sparse loadings.

A One-Covariate-at-a-Time Method for Nonparametric Additive Models

no code implementations26 Apr 2022 Liangjun Su, Thomas Tao Yang, Yonghui Zhang, Qiankun Zhou

Similarly to Chudik, Kapetanios and Pesaran (2018), we consider the statistical significance of individual nonparametric additive components one at a time and take into account the multiple testing nature of the problem.

Additive models

Secure Multigroup Multicast Communication Systems via Intelligent Reflecting Surface

no code implementations17 Aug 2020 Weiping Shi, Jiayu Li, Guiyang Xia, Yuntian Wang, Xiaobo Zhou, Yonghui Zhang, Feng Shu

This paper considers a secure multigroup multicast multiple-input single-output (MISO) communication system aided by an intelligent reflecting surface (IRS).

AQPDCITY Dataset: Picture-Based PM Monitoring in the Urban Area of Big Cities

no code implementations22 Mar 2020 Yonghui Zhang, Ke Gu

Since Particulate Matters (PMs) are closely related to people's living and health, it has become one of the most important indicator of air quality monitoring around the world.

AQPDBJUT Dataset: Picture-Based PM Monitoring in the Campus of BJUT

no code implementations19 Mar 2020 Yonghui Zhang, Ke Gu

Ensuring the students in good physical levels is imperative for their future health.

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