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  1. Article

    Open Access

    Spectrum of severity of multisystem inflammatory syndrome in children: an EHR-based cohort study from the RECOVER program

    Multi-system inflammatory syndrome in children (MIS-C) is a severe post-acute sequela of SARS-CoV-2 infection in children, and there is a critical need to unfold its highly heterogeneous disease patterns. Our ...

    Suchitra Rao, Naimin **g, **aokang Liu, Vitaly Lorman in Scientific Reports (2023)

  2. Article

    Open Access

    Predict the compressive strength of ultra high-performance concrete by a hybrid method of machine learning

    Ultra-high performance concrete (UHPC) benefits the construction industry due to its improved flexibility, high workability, durability, and performance compared to normal concrete. Some investigators have con...

    Nana Gong, Naimin Zhang in Journal of Engineering and Applied Science (2023)

  3. Article

    Robust matrix estimations meet Frank–Wolfe algorithm

    We consider estimating matrix-valued model parameters with a dedicated focus on their robustness. Our setting concerns large-scale structured data so that a regularization on the matrix’s rank becomes indispen...

    Naimin **g, Ethan X. Fang, Cheng Yong Tang in Machine Learning (2023)

  4. No Access

    Article

    Almost sure convergence of stochastic composite objective mirror descent for non-convex non-smooth optimization

    Stochastic composite objective mirror descent (SCOMID) is an effective method for solving large-scale stochastic composite problems in machine learning. This method can efficiently use the geometric properties...

    Yuqing Liang, Dongpo Xu, Naimin Zhang, Danilo P. Mandic in Optimization Letters (2023)

  5. No Access

    Article

    Truncated octree and its applications

    Octree is a hierarchical data structure with many applications, especially in encoding unstructured point clouds. The depth of an octree is dependent of the scale of the input data and the desired resolution o...

    Naimin Koh, Pradeep Kumar Jayaraman, Jianmin Zheng in The Visual Computer (2022)

  6. No Access

    Article

    Microstructure and wear behavior of Ti-6Al-4V treated by plasma Zr-alloying and plasma nitriding

    A duplex treatment of plasma Zr-alloying and plasma nitriding was used to improve the tribological properties of Ti-6Al-4V. The microstructure of the Zr-N composite (alloyed) layer formed on Ti-6Al-4V and its ...

    Kai Chen 陈凯, ** Liu 刘小萍, **aozhen Liu in Journal of Wuhan University of Technology-… (2016)

  7. Article

    Open Access

    Screening of efficient siRNA carriers in a library of surface-engineered dendrimers

    Polymers are widely used as non-viral carriers for siRNA delivery, but concern has also arisen in their limited efficacy and inherent toxicity. Whilst many of previous efforts have been documented towards impr...

    Hongmei Liu, Hong Chang, Jia Lv, Cong Jiang, Zhenxi Li, Fei Wang in Scientific Reports (2016)

  8. No Access

    Article

    A generalized preconditioned HSS method for singular saddle point problems

    Li et al. recently studied the generalized HSS (GHSS) method for solving singular linear systems (see Li et al., J. Comput. Appl. Math. 236, 2338–2353 (2012)). In this paper, we generalize the method and present ...

    Zhen Chao, Naimin Zhang in Numerical Algorithms (2014)

  9. Article

    Open Access

    Fast marching over the 2D Gabor magnitude domain for tongue body segmentation

    Tongue body segmentation is a prerequisite to tongue image analysis and has recently received considerable attention. The existing tongue body segmentation methods usually involve two key steps: edge detection...

    Zhenchao Cui, Hongzhi Zhang, David Zhang in EURASIP Journal on Advances in Signal Proc… (2013)

  10. Article

    Open Access

    Classification of Pulse Waveforms Using Edit Distance with Real Penalty

    Advances in sensor and signal processing techniques have provided effective tools for quantitative research in traditional Chinese pulse diagnosis (TCPD). Because of the inevitable intraclass variation of puls...

    Dongyu Zhang, Wangmeng Zuo, David Zhang in EURASIP Journal on Advances in Signal Proc… (2010)

  11. No Access

    Article

    A note on preconditioned GMRES for solving singular linear systems

    For solving a singular linear system Ax=b by GMRES, it is shown in the literature that if A is range-symmetric, then GMRES converges safely to a solution. In this paper we consider preconditioned GMRES for solvin...

    Naimin Zhang in BIT Numerical Mathematics (2010)

  12. No Access

    Article

    A note on the perturbation of an outer inverse

    In this note, we present an explicit formula for perturbations of an outer inverse under certain conditions, which extends previous results.

    Naimin Zhang, Yimin Wei in Calcolo (2008)

  13. No Access

    Article

    Quotient convergence and multi-splitting methods for solving singular linear equations

    In this paper, we use the group inverse to characterize the quotient convergence of an iterative method for solving consistent singular linear systems, when the matrix index equals one. Next, we show that for ...

    **aoke Cui, Yimin Wei, Naimin Zhang in Calcolo (2007)