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TeraVR empowers precise reconstruction of complete 3-D neuronal morphology in the whole brain
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TeraVR empowers precise reconstruction of complete 3-D neuronal morphology in the whole brain
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TeraVR empowers precise reconstruction of complete 3-D neuronal morphology in the whole brain
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Journal Article
TeraVR empowers precise reconstruction of complete 3-D neuronal morphology in the whole brain
2019
Overview
Neuron morphology is recognized as a key determinant of cell type, yet the quantitative profiling of a mammalian neuron’s complete three-dimensional (3-D) morphology remains arduous when the neuron has complex arborization and long projection. Whole-brain reconstruction of neuron morphology is even more challenging as it involves processing tens of teravoxels of imaging data. Validating such reconstructions is extremely laborious. We develop TeraVR, an open-source virtual reality annotation system, to address these challenges. TeraVR integrates immersive and collaborative 3-D visualization, interaction, and hierarchical streaming of teravoxel-scale images. Using TeraVR, we have produced precise 3-D full morphology of long-projecting neurons in whole mouse brains and developed a collaborative workflow for highly accurate neuronal reconstruction.
Reconstructing the full shape of neurons is a major informatics challenge as it requires handling huge whole-brain imaging datasets. Here the authors present an open-source virtual reality annotation system for precise and efficient data production of neuronal shapes reconstructed from whole brains.
