From a5e6a12a619cb9528a4cf7f3ef8f082e5eb877c2 Mon Sep 17 00:00:00 2001 From: Mario Mulansky Date: Wed, 9 Sep 2015 17:51:03 +0200 Subject: added SPIKE-Sync based filtering new function filter_by_spike_sync removes spikes that have a multi-variate Spike Sync value below some threshold not yet fully tested, python backend missing. --- pyspike/cython/cython_profiles.pyx | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) (limited to 'pyspike/cython/cython_profiles.pyx') diff --git a/pyspike/cython/cython_profiles.pyx b/pyspike/cython/cython_profiles.pyx index 4a42cdb..fe08cb7 100644 --- a/pyspike/cython/cython_profiles.pyx +++ b/pyspike/cython/cython_profiles.pyx @@ -450,3 +450,34 @@ def coincidence_profile_cython(double[:] spikes1, double[:] spikes2, c[1] = 1 return st, c, mp + + +############################################################ +# coincidence_single_profile_cython +############################################################ +def coincidence_single_profile_cython(double[:] spikes1, double[:] spikes2, + double t_start, double t_end, double max_tau): + + cdef int N1 = len(spikes1) + cdef int N2 = len(spikes2) + cdef int j = -1 + cdef double[:] c = np.zeros(N1) # coincidences + cdef double interval = t_end - t_start + cdef double tau + for i in xrange(N1): + while j < N2-1 and spikes2[j+1] < spikes1[i]: + j += 1 + tau = get_tau(spikes1, spikes2, i, j, interval, max_tau) + print i, j, spikes1[i], spikes2[j], tau + if j > -1 and spikes1[i]-spikes2[j] < tau: + # current spike in st1 is coincident + c[i] = 1 + if j < N2-1: + j += 1 + tau = get_tau(spikes1, spikes2, i, j, interval, max_tau) + print i, j, spikes1[i], spikes2[j], tau + if spikes2[j]-spikes1[i] < tau: + # current spike in st1 is coincident + c[i] = 1 + + return c -- cgit v1.2.3