Cheng-yi Qu

Estimating the Sizes of Populations at High Risk for HIV: A Comparison Study

Liwei Jing, Cheng-yi Qu, Hongmei Yu et al. · PLoS ONE · 2014 · 22 citations · Full text

A hybrid domain-based watermarking for vector maps utilizing a complementary advantage of discrete fourier transform and singular value decomposition

Cheng-yi Qu, Jinglong Du, Xi Xu et al. · Computers & Geosciences · 2023 · 18 citations

Digital Watermarking, Data Hiding, Pattern Recognition +6

Multi-state Markov model in outcome of mild cognitive impairments among community elderly residents in Mainland China

Hongmei Yu, Shanshan Yang, Jianwei Gao et al. · International Psychogeriatrics · 2013 · 17 citations · Full text

Robust Watermarking Scheme for Vector Geographic Data Based on the Ratio Invariance of DWT–CSVD Coefficients

Cheng-yi Qu, Xi Xu, Jinglong Du et al. · ISPRS International Journal of Geo-Information · 2022 · 15 citations · Full text

[A three-year follow-up study on the transfer of mild cognitive impairment to Alzheimer's disease among the elderly in Taiyuan city].

Yanping Wang, Jingbo Zhai, Fang Zhu et al. · PubMed · 2011 · 12 citations