Interpretable Sperm Morphology Classification via Attention-Guided Deep Learning

• URL: http://arxiv.org/abs/2606.20438v1
• Date: Thu, 18 Jun 2026 16:19:13 GMT
• Title: Interpretable Sperm Morphology Classification via Attention-Guided Deep Learning
• Abstract summary: Male infertility is a major cause of couple infertility, often linked to abnormal sperm morphology.<n>This study proposes an attention-guided deep learning framework for sperm morphology classification.<n>We combine a pretrained EfficientNet-B0 with a Convolutional Block Attention Module (CBAM) to focus on key areas of the sperm head.
• Score: 2.0905892483501125
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Male infertility is a major cause of couple infertility, often linked to abnormal sperm morphology. While deep learning models offer automated analysis, most lack interpretability, limiting their clinical adoption. This study proposes an attention-guided deep learning framework for sperm morphology classification. We combine a pretrained EfficientNet-B0 with a Convolutional Block Attention Module (CBAM) to focus on key areas of the sperm head, improving both accuracy and interpretability. Evaluated on the SMIDS and HuSHem public datasets, our model achieves accuracies of 90.2% and 93.9% (macro F1 scores of 0.913 and 0.948), outperforming SimpleCNN and standard EfficientNet-B0. Furthermore, we use Grad-CAM++ visualizations to highlight features influencing the model's decisions. The results demonstrate that this accurate and transparent framework is a practical tool for automated sperm analysis in fertility clinics.

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