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Perform registration of 3D imaging data and localization of spots (synapses/boutons) in semi-automatic mode (with graphical user interface).

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SynapseLocator

SL_steps_extended

SynapseLocator application

Repeated imaging of brain tissue at high spatial resolution is faced with minute movements and non-concordant positional changes of synapses. SynapseLocator is a versatile tool that combines many steps of image processing, non-rigid image registration, and spot localisation. Input data are typically 3D images from pre- and post-stimulation (square input images in form of interleaved two-channel data, scanimage format, scanimage.vidriotechnologies.com, 16-bit greyscale) for which numerical and graphical result data are produced. Input images are filtered and deconvolved which considerably improves registration and spot detection. By default, results are reported based on processed images. However, channel intensities for minimally (or non) pre-processed images are also reported.

Check our publication on synaptic activity in the hippocampus that uses SynapseLocator to analyze image data (Perez-Alvarez, A., Fearey, B.C., O’Toole, R.J. et al. Freeze-frame imaging of synaptic activity using SynTagMA. Nat Commun 11, 2464 (2020). https://doi.org/10.1038/s41467-020-16315-4).

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Perform registration of 3D imaging data and localization of spots (synapses/boutons) in semi-automatic mode (with graphical user interface).

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