Self Supervised Lesion Recognition For Breast Ultrasound Diagnosis

• URL: http://arxiv.org/abs/2204.08477v1
• Date: Mon, 18 Apr 2022 16:00:33 GMT
• Title: Self Supervised Lesion Recognition For Breast Ultrasound Diagnosis
• Authors: Yuanfan Guo, Canqian Yang, Tiancheng Lin, Chunxiao Li, Rui Zhang, Yi Xu
• Abstract summary: We propose a multi-task framework that complements Benign/Malignant classification task with lesion recognition (LR) To be specific, LR task employs contrastive learning to encourage representation that pulls multiple views of the same lesion and repels those of different lesions. Experiments show that the proposed multi-task framework boosts the performance of Benign/Malignant classification.
• Score: 14.961717874372567
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Previous deep learning based Computer Aided Diagnosis (CAD) system treats multiple views of the same lesion as independent images. Since an ultrasound image only describes a partial 2D projection of a 3D lesion, such paradigm ignores the semantic relationship between different views of a lesion, which is inconsistent with the traditional diagnosis where sonographers analyze a lesion from at least two views. In this paper, we propose a multi-task framework that complements Benign/Malignant classification task with lesion recognition (LR) which helps leveraging relationship among multiple views of a single lesion to learn a complete representation of the lesion. To be specific, LR task employs contrastive learning to encourage representation that pulls multiple views of the same lesion and repels those of different lesions. The task therefore facilitates a representation that is not only invariant to the view change of the lesion, but also capturing fine-grained features to distinguish between different lesions. Experiments show that the proposed multi-task framework boosts the performance of Benign/Malignant classification as two sub-tasks complement each other and enhance the learned representation of ultrasound images.

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