Instance segmentation of mitochondria in electron microscopy images with a generalist deep learning model.
Conrad, R. W.; Narayan, K.
Show abstract
Mitochondria are extremely pleomorphic organelles. Automatically annotating each one accurately and precisely in any 2D or volume electron microscopy (EM) image is an unsolved computational challenge. Current deep learning-based approaches train models on images that provide limited cellular contexts, precluding generality. To address this, we amassed a highly heterogeneous [~]1.5 x 106 image 2D unlabeled cellular EM dataset, and segmented [~]135,000 mitochondrial instances therein. MitoNet, a model trained on these resources, performs well on challenging benchmarks and on previously unseen volume EM datasets containing tens of thousands of mitochondria. We release a new Python package and napari plugin, empanada, to rapidly run inference, visualize, and proofread instance segmentations.
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