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Semi-supervised peripapillary atrophy segmentation with shape constraint

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收录情况： ◇ SCIE

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机构： [1]Beijing Institute of Technology, Beijing 100081, China [2]Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing 100005, China

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关键词： Peripapillary atrophy segmentation Semi-supervised Shape constraint Active shape model Mean teacher model

摘要：

Peripapillary atrophy (PPA) is a clinical abnormality related to many eye diseases, such as myopia and glaucoma. The shape and area of PPA are essential indicators of disease progression. PPA segmentation is a challenging task due to blurry edge and limited labeled data. In this paper, we propose a novel semi-supervised PPA segmentation method enhanced by prior knowledge. In order to learn shape information in the network, a novel shape constraint module is proposed to restrict the PPA appearance based on active shape model. To further leverage large amount of unlabeled data, a Siamese-like model updated by exponential moving average is introduced to provide pseudo labels. The pseudo labels are further refined by region connectivity correction. Extensive experiments on a clinical dataset demonstrate that our proposed PPA segmentation method provides good qualitative and quantitative performance.Copyright © 2023 Elsevier Ltd. All rights reserved.

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出版当年[2022]版：

大类 | 2 区工程技术

小类 | 1 区数学与计算生物学 2 区工程：生物医学 2 区生物学 3 区计算机：跨学科应用

最新[2025]版：

大类 | 2 区医学

小类 | 1 区数学与计算生物学 2 区生物学 2 区计算机：跨学科应用 2 区工程：生物医学

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出版当年[2021]版：

Q1 BIOLOGY Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Q1 ENGINEERING, BIOMEDICAL Q1 MATHEMATICAL & COMPUTATIONAL BIOLOGY

最新[2023]版：

Q1 BIOLOGY Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Q1 ENGINEERING, BIOMEDICAL Q1 MATHEMATICAL & COMPUTATIONAL BIOLOGY

影响因子： 7 最新[2023版] 6.7 最新五年平均 6.698 出版当年[2021版] 5.752 出版当年五年平均 4.589 出版前一年[2020版] 7.7 出版后一年[2022版]

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第一作者机构： [1]Beijing Institute of Technology, Beijing 100081, China

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