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Author

Zhi-Hao Ning

2 papers indexed here

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Open access Oct 2026

Rolling bearing fault diagnosis under variable speed and noisy conditions using multidomain ConvNeXt features and random forest decisions

Reliable rolling-bearing diagnosis requires features and decision rules that remain discriminative under operating-speed variation and severe interference. This study presents a staged TL-ConvNeXt-RF framework in which 1024-point vibration windows are represented by spatially aligned time-domain, fast Fourier transfo...

Zhao Zhang, Zhi-Hao Ning, Jia-Heng Yu · 0 citations
Open access Sep 2026

WS-RTDETR: A Wavelet-Guided RT-DETR for Small Object Detection in Foggy UAV Imagery

Accurate small-object detection in UAV imagery is essential for low-altitude autonomous operations, but fog severely degrades image quality and makes it difficult to maintain both detection accuracy and computational efficiency. To address this problem, we propose WS-RTDETR, a robust and efficient detector with a wav...

Tao-Tao Jin, Jia-Qiang Xu, Zhi-Hao Ning et al. · 0 citations

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