论文标题
MMGL:半监督心脏图像分段的多尺度多视图全局对比度学习
MMGL: Multi-Scale Multi-View Global-Local Contrastive learning for Semi-supervised Cardiac Image Segmentation
论文作者
论文摘要
有了大规模标记的数据集,深度学习在医学图像分割方面已取得了显着成功。但是,由于广泛的专业知识要求和昂贵的标签工作,在临床实践中获取大量注释是具有挑战性的。最近,对比学习表明,在未标记的数据上进行视觉表示学习的能力很强,在许多领域中实现了令人印象深刻的性能与监督的学习。在这项工作中,我们提出了一个新型的多尺度多视图全局对比度学习(MMGL)框架,以彻底探索不同尺度的全球和局部特征,并观察到可靠的对比度学习表现,从而通过有限的注释来改善细分性能。在MM-WHS数据集上进行的广泛实验证明了MMGL框架在半监视的心脏图像分段中的有效性,从而超过了最先进的对比度学习方法。
With large-scale well-labeled datasets, deep learning has shown significant success in medical image segmentation. However, it is challenging to acquire abundant annotations in clinical practice due to extensive expertise requirements and costly labeling efforts. Recently, contrastive learning has shown a strong capacity for visual representation learning on unlabeled data, achieving impressive performance rivaling supervised learning in many domains. In this work, we propose a novel multi-scale multi-view global-local contrastive learning (MMGL) framework to thoroughly explore global and local features from different scales and views for robust contrastive learning performance, thereby improving segmentation performance with limited annotations. Extensive experiments on the MM-WHS dataset demonstrate the effectiveness of MMGL framework on semi-supervised cardiac image segmentation, outperforming the state-of-the-art contrastive learning methods by a large margin.