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  1. Article

    Open Access

    Heart failure classification using deep learning to extract spatiotemporal features from ECG

    Heart failure is a syndrome with complex clinical manifestations. Due to increasing population aging, heart failure has become a major medical problem worldwide. In this study, we used the MIMIC-III public dat...

    Chang-Jiang Zhang, Yuan-Lu, Fu-Qin Tang in BMC Medical Informatics and Decision Making (2024)

  2. Article

    Microstructure and cellular transition characteristic of Ti-42Al-3Nb-1Mo-0.1B alloy

    The microstructure and cellular transition characteristics of an intermetallic Ti-42Al-3Nb-1Mo-0.1B (at.%) alloy were investigated. The as-cast microstructure of the alloy is mainly composed of (α2+γ) lamellar st...

    Hong Feng, Qi-bin Wang, Shu-zhi Zhang, Chang-jiang Zhang, Fu-yin Han in China Foundry (2020)

  3. Article

    Effect of heat treatment and thermomechanical processing on microstructure and tensile property of Ti-44Al-8Nb-0.2W-0.2B-0.5Y alloy

    High Nb-TiAl (Ti-44Al-8Nb-0.2W-0.2B-0.5Y, at.%) ingot was fabricated by vacuum arc remelting (VAR). The as-cast ingot was hot-isostatic pressed (HIP) and homogenizing annealing processed. The influence of heat...

    **ao-peng Wang, Fan-tao Kong, ** Cao, Shu-zhi Zhang in China Foundry (2020)

  4. No Access

    Article

    An adaptive enhancement method for breast X-ray images based on the nonsubsampled contourlet transform domain and whale optimization algorithm

    We propose a new method for breast X-ray image adaptive enhancement that combines nonsubsampled contourlet transform (NSCT) with the whale optimization algorithm (WOA). First, the mammography X-ray image was p...

    Chang-Jiang Zhang, Huan-Huan Nie in Medical & Biological Engineering & Computing (2019)

  5. No Access

    Article

    Relationship between microstructure and tensile properties on a near-β titanium alloy after multidirectional forging and heat treatment

    In this study, a new near-beta titanium alloy, Ti–4Al–1Sn–2Zr–5Mo–8V–2.5Cr, was prepared by induction skull melting (ISM) and multidirectional forging. The effect of aging heat treatment on microstructure and ...

    Zhi-Dan Lü, Chang-Jiang Zhang, Zhao-**n Du, Jian-Chao Han, Shu-Zhi Zhang in Rare Metals (2019)

  6. No Access

    Article

    A novel nonlinear algorithm for typhoon cloud image enhancement

    A novel nonlinear gray transform method is proposed to enhance the contrast of a typhoon cloud image. Generally, the typhoon cloud image obtained by a satellite cannot be directly used to make an accurate pred...

    Chang-Jiang Zhang, Bo Yang in International Journal of Automation and Computing (2011)

  7. No Access

    Article

    Contrast enhancement for image by WNN and GA combining PSNR with information entropy

    A new contrast enhancement algorithm for image is proposed combining genetic algorithm (GA) with wavelet neural network (WNN). In-complete Beta transform (IBT) is used to obtain non-linear gray transform curve...

    Chang-Jiang Zhang, Min Hu in Fuzzy Optimization and Decision Making (2008)