Visualizing minute details in light-sheet and confocal microscopy data by combining 3D rolling ball filtering and deconvolution

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Abstract

We developed an open-source deconvolution software that stunningly increases the visibility of minute details, as for example, neurons or nerve fibers in light-sheet microscopy or confocal microscopy data by combining rolling ball background subtraction in three directions with deconvolution using a synthetic or measured point spread function. Via automatic block-wise processing image stacks of virtually unlimited size can be deconvolved even on small computers with 8 or 16 GB RAM. By parallelization and optional GPU-acceleration, the software works with high speed: On a PC equipped with a state-of-the-art NVidia graphic board a three dimensional (3D)-stack of about 1 billion voxels can be deconvolved within 5 to 10 minutes. The implemented variation of the Richardson-Lucy deconvolution algorithm preserves the photogrammetry of the image data by using flux-preserving regularization, an approach that to our knowledge has not been applied for deconvolving microscopy data before.

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Becker, K., Saghafi, S., Pende, M., Hahn, C., & Dodt, H. U. (2022). Visualizing minute details in light-sheet and confocal microscopy data by combining 3D rolling ball filtering and deconvolution. Journal of Biophotonics, 15(2). https://doi.org/10.1002/jbio.202100290

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