使用混合多任务 CNN-Transformer 网络进行乳腺超声肿瘤分类

Bryar Shareef, Min Xian, Aleksandar Vakanski, Haotian Wang
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引用次数: 0

摘要

捕捉全局上下文信息在乳腺超声(BUS)图像分类中起着至关重要的作用。虽然卷积神经网络(CNN)在肿瘤分类中表现出可靠的性能,但由于卷积操作的局部性,它们在模拟全局和长距离依赖关系方面存在固有的局限性。视觉变换器能更好地捕捉全局上下文信息,但由于标记化操作,可能会扭曲局部图像模式。在这项研究中,我们提出了一种名为 Hybrid-MT-ESTAN 的混合多任务深度神经网络,旨在使用由 CNN 和 Swin Transformer 组件组成的混合架构来执行 BUS 肿瘤分类和分割。我们将所提出的方法与九种 BUS 分类方法进行了比较,并在一个包含 3,320 张 BUS 图像的数据集上使用七个定量指标对其进行了评估。结果表明,Hybrid-MT-ESTAN 的准确度、灵敏度和 F1 得分最高,分别为 82.7%、86.4% 和 86.0%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Breast Ultrasound Tumor Classification Using a Hybrid Multitask CNN-Transformer Network.

Capturing global contextual information plays a critical role in breast ultrasound (BUS) image classification. Although convolutional neural networks (CNNs) have demonstrated reliable performance in tumor classification, they have inherent limitations for modeling global and long-range dependencies due to the localized nature of convolution operations. Vision Transformers have an improved capability of capturing global contextual information but may distort the local image patterns due to the tokenization operations. In this study, we proposed a hybrid multitask deep neural network called Hybrid-MT-ESTAN, designed to perform BUS tumor classification and segmentation using a hybrid architecture composed of CNNs and Swin Transformer components. The proposed approach was compared to nine BUS classification methods and evaluated using seven quantitative metrics on a dataset of 3,320 BUS images. The results indicate that Hybrid-MT-ESTAN achieved the highest accuracy, sensitivity, and F1 score of 82.7%, 86.4%, and 86.0%, respectively.

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