Author

Yong Yan

2 papers indexed here

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Open access 2026

Multiregion Difference-Based Defect Detection for Complex-Texture Caps

Complex textures of bottle caps pose challenges for defect detection with smooth upper, transitional middle, and densely striped lower regions. This study proposes a multiregion detection method integrating background subtraction, Difference of Gaussians, and translation-registration difference. The sidewall is divided...

Li-Chen Zhao, Jing-Ni Cai, Yong-Hui Li et al. · IEEE Access · 0 citations

Open access Sep 2026

Hierarchical Point Cloud Analysis for 3D Defect Detection of Annular Welds

Annular fillet welds on guide rods lie in stress concentration zones and are susceptible to fatigue failure under dynamic suspension loads, necessitating accurate quality inspection. However, their complex three-dimensional topography makes it difficult for conventional methods to balance detection accuracy and efficie...

Jing-Yuan Zhang, Yong Yan, Shuai-Yi Wu et al. · Applied Sciences · 0 citations