Semi-Supervised Segmentation of Mitochondria from Electron Microscopy Images Using Spatial Continuity

• URL: http://arxiv.org/abs/2206.02392v1
• Date: Mon, 6 Jun 2022 06:52:19 GMT
• Title: Semi-Supervised Segmentation of Mitochondria from Electron Microscopy Images Using Spatial Continuity
• Authors: Yunpeng Xiao, Youpeng Zhao and Ge Yang
• Abstract summary: We propose a semi-supervised deep learning model that segments mitochondria by leveraging the spatial continuity of their structural, morphological, and contextual information. Our model achieves performance similar to that of state-of-the-art fully supervised models but requires only 20% of their annotated training data.
• Score: 3.631638087834872
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Morphology of mitochondria plays critical roles in mediating their physiological functions. Accurate segmentation of mitochondria from 3D electron microscopy (EM) images is essential to quantitative characterization of their morphology at the nanometer scale. Fully supervised deep learning models developed for this task achieve excellent performance but require substantial amounts of annotated data for training. However, manual annotation of EM images is laborious and time-consuming because of their large volumes, limited contrast, and low signal-to-noise ratios (SNRs). To overcome this challenge, we propose a semi-supervised deep learning model that segments mitochondria by leveraging the spatial continuity of their structural, morphological, and contextual information in both labeled and unlabeled images. We use random piecewise affine transformation to synthesize comprehensive and realistic mitochondrial morphology for augmentation of training data. Experiments on the EPFL dataset show that our model achieves performance similar as that of state-of-the-art fully supervised models but requires only ~20% of their annotated training data. Our semi-supervised model is versatile and can also accurately segment other spatially continuous structures from EM images. Data and code of this study are openly accessible at https://github.com/cbmi-group/MPP.

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