Learning cellular morphology with neural networks

Philipp J. Schubert (), Sven Dorkenwald, Michał Januszewski, Viren Jain and Joergen Kornfeld ()
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Philipp J. Schubert: Electrons - Photons - Neurons
Sven Dorkenwald: Electrons - Photons - Neurons
Michał Januszewski: Google AI
Viren Jain: Google AI
Joergen Kornfeld: Electrons - Photons - Neurons

Nature Communications, 2019, vol. 10, issue 1, 1-12

Abstract: Abstract Reconstruction and annotation of volume electron microscopy data sets of brain tissue is challenging but can reveal invaluable information about neuronal circuits. Significant progress has recently been made in automated neuron reconstruction as well as automated detection of synapses. However, methods for automating the morphological analysis of nanometer-resolution reconstructions are less established, despite the diversity of possible applications. Here, we introduce cellular morphology neural networks (CMNs), based on multi-view projections sampled from automatically reconstructed cellular fragments of arbitrary size and shape. Using unsupervised training, we infer morphology embeddings (Neuron2vec) of neuron reconstructions and train CMNs to identify glia cells in a supervised classification paradigm, which are then used to resolve neuron reconstruction errors. Finally, we demonstrate that CMNs can be used to identify subcellular compartments and the cell types of neuron reconstructions.

Date: 2019
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DOI: 10.1038/s41467-019-10836-3

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