tonic.functional.denoise#

Module Contents#

Functions#

denoise_numpy(events[, filter_time])

Drops events that are 'not sufficiently connected to other events in the recording.' In
tonic.functional.denoise.denoise_numpy(events, filter_time=10000)[source]#

Drops events that are ‘not sufficiently connected to other events in the recording.’ In practise that means that an event is dropped if no other event occured within a spatial neighbourhood of 1 pixel and a temporal neighbourhood of filter_time time units. Useful to filter noisy recordings where events occur isolated in time.

Parameters:

  • events – ndarray of shape [num_events, num_event_channels]

  • filter_time – maximum temporal distance to next event, otherwise dropped. Lower values will mean higher constraints, therefore less events.

Returns:

filtered set of events.