Multi-view Deep Neural Networks for multiclass skin lesion diagnosis

Eduardo Pérez, S. Ventura
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引用次数: 1

Abstract

Early diagnosis is still the best method to face skin cancer. The diagnosis of skin lesions remains as a challenge for physicians and researchers. In the past few years, it has benefited from computer-aided diagnosis methods that successfully apply classic Machine Learning techniques and more recently Convolutional Neural Networks. This work is aimed at discovering architectures that best fuse clinical records and medical images for the diagnosis of skin lesions. As a result, a genetic algorithm is designed in order to select how to combine such information and the main details of the new architecture. The architecture is able to cope with multiple inputs and learn multiple outputs, proving flexibility by sharing network parameters, which implicitly mitigates the overfitting of the model. An extensive experimental study was conducted on the well-known ISIC2019 dataset, where the models were trained with a total of 72,106 images and meta-data, including the augmented images. The proposal outperformed the baseline state-of-the-art model while diagnosing from eight skin lesion categories. Furthermore, the discovered architecture achieved 85%, 94%, and 84% of recall score when diagnosing malignant lesions - melanoma, basal cell carcinoma, and squamous cell carcinoma, respectively. Finally, the results showed the suitability of the proposed genetic algorithm, which was able to automatically build a multimodal fusion architecture for the diagnosis of skin lesions.
多视图深度神经网络在多类别皮肤病变诊断中的应用
早期诊断仍然是面对皮肤癌最好的方法。对医生和研究人员来说,皮肤病变的诊断仍然是一个挑战。在过去的几年里,它受益于计算机辅助诊断方法,这些方法成功地应用了经典的机器学习技术和最近的卷积神经网络。这项工作旨在发现最能融合临床记录和医学图像的架构,以诊断皮肤病变。因此,设计了一种遗传算法来选择如何将这些信息与新结构的主要细节结合起来。该体系结构能够处理多个输入和学习多个输出,通过共享网络参数证明了灵活性,这隐含地减轻了模型的过拟合。在著名的ISIC2019数据集上进行了广泛的实验研究,其中模型使用包括增强图像在内的总计72,106张图像和元数据进行了训练。该方案在从8种皮肤病变类别进行诊断时,优于最先进的基线模型。此外,发现的结构在诊断恶性病变(黑色素瘤、基底细胞癌和鳞状细胞癌)时分别达到85%、94%和84%的回忆率。最后,实验结果表明了所提遗传算法的适用性,该算法能够自动构建用于皮肤病变诊断的多模态融合架构。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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