Enhancing Testicular Ultrasound Image Classification Through Synthetic Data and Pretraining Strategies

Abstract: Testicular ultrasound imaging is vital for assessing male infertility, with testicular inhomogeneity serving as a key biomarker. However, subjective interpretation and the scarcity of publicly available datasets pose challenges to automated classification. In this study, we explore supervised and unsupervised pretraining strategies using a ResNet-based architecture, supplemented by diffusion-based generative models to synthesize realistic ultrasound images. Our results demonstrate that pretraining significantly enhances classification performance compared to training from scratch, and synthetic data can effectively substitute real images in the pretraining process, alleviating data-sharing constraints. These methods offer promising advancements toward robust, clinically valuable automated analysis of male infertility. The source code is publicly available at https://github.com/AImageLab-zip/TesticulUS/.

Citation:

Morelli, Nicola; Marchesini, Kevin; Lumetti, Luca; Santi, Daniele; Grana, Costantino; Bolelli, Federico "Enhancing Testicular Ultrasound Image Classification Through Synthetic Data and Pretraining Strategies" Image Analysis and Processing – ICIAP 2025, Rome, Italy, Sep 15-19, 2025

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