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Wan-Yi Zhang

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Open access Oct 2026

PR-YOLOv8s: A Lightweight Improved YOLOv8s for Printed Circuit Board Micro-Defect Detection

Printed Circuit Boards (PCBs) are core components in electronics manufacturing. Six types of micro-defects, such as missing holes, mouse-bites and open circuits, may easily cause complete device failure. The original YOLOv8 employs only the P3/P4/P5 multi-scale detection heads, leading to severe loss of shallow fine-gr...

Miao Wang, Wan-Yi Zhang, Teng-Teng Wang et al. · 0 citations

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