def do_the_job(dfile, sensor, recenter=True, wtsel=None, clean=False, mbasal='meanfirst', alt_smooth=False, wavy=False):
"""
Transforms the data reconstructing the peaks using some components of the PCA
and uses the mean of the baseline points to move the peak
:param pcap: Perform or not PCA
:param dfile: datafile
:param sensor: sensor
:param components: Components selected from the PCA
:param lbasal: Points to use to move the peak
:param recenter: recenters the peak so it is in the center of the window
:param basal: moving the peak so the begginning is closer to zero
'meanfirst', first n points
'meanmin', first min points of the first half of the peak
:return:
"""
print(datainfo.dpath + datainfo.name, sensor)
f = datainfo.open_experiment_data(mode='r')
data = datainfo.get_peaks_resample(f, dfile, sensor)
datainfo.close_experiment_data(f)
pcap = datainfo.get_peaks_smooth_parameters('pcasmooth')
components = datainfo.get_peaks_smooth_parameters('components')
baseline = datainfo.get_peaks_smooth_parameters('wbaseline')
lbasal = range(baseline)
if alt_smooth:
parl = datainfo.get_peaks_alt_smooth_parameters('lambda')
parp = datainfo.get_peaks_alt_smooth_parameters('p')
if data is not None:
# if there is a clean list of peaks then the PCA is computed only for the clean peaks
if clean:
lt = datainfo.get_clean_time(f, dfile, sensor)
if lt is not None:
ltime = list(lt[()])
print(data.shape)
data = data[ltime]
print(data.shape)
if alt_smooth:
trans = np.zeros((data.shape[0], data.shape[1]))
for i in range(data.shape[0]):
trans[i] = baseline_als(data[i,:], parl, parp)
elif pcap:
pca = PCA(n_components=data.shape[1])
res = pca.fit_transform(data)
sexp = 0.0
ncomp = 0
while sexp < 0.98:
sexp += pca.explained_variance_ratio_[ncomp]
ncomp += 1
components = ncomp
print('VEX=', np.sum(pca.explained_variance_ratio_[0:components]), components)
res[:, components:] = 0
trans = pca.inverse_transform(res)
else:
trans = data
# If recenter, find the new center of the peak and crop the data to wtsel milliseconds
if recenter:
# Original window size in milliseconds
wtsel_orig = datainfo.get_peaks_resample_parameters('wtsel')
# current window midpoint
midpoint = int(trans.shape[1]/2.0)
# New window size
wtlen = int(trans.shape[1]*(wtsel/wtsel_orig))
wtdisc = int((trans.shape[1] - wtlen)/2.0)
# in case we have a odd number of points in the window
if wtlen + (2*wtdisc) != wtlen:
wtdisci = wtdisc + 1
else:
wtdisci = wtdisc
new_trans = np.zeros((trans.shape[0], wtlen))
for pk in range(trans.shape[0]):
# find current maximum around the midpoint of the current window
# Fixed to 10 points around the center
center = np.argmax(trans[pk, midpoint-10:midpoint+10])
new_trans[pk] = trans[pk,wtdisci:wtlen-wtdisc]
trans = new_trans
# Substract the basal
if mbasal == 'meanfirst':
for row in range(trans.shape[0]):
vals = trans[row, lbasal]
basal = np.mean(vals)
trans[row] -= basal
#show_two_signals(trans[row]+basal, trans[row])
elif mbasal == 'meanmin':
for row in range(trans.shape[0]):
vals = trans[row, 0:trans.shape[1]/2]
vals = np.array(sorted(list(vals)))
basal = np.mean(vals[lbasal])
trans[row] -= basal
#show_two_signals(trans[row]+basal, trans[row])
elif mbasal == 'meanlast':
for row in range(trans.shape[0]):
vals = trans[row, (trans.shape[1]/3)*2:trans.shape[1]]
basal = np.mean(vals)
trans[row] -= basal
#show_two_signals(trans[row]+basal, trans[row])
elif mbasal == 'alternative':
for row in range(trans.shape[0]):
basal = find_baseline(trans[row, 0:trans.shape[1]/2], resolution=25)
trans[row] -= basal
if wavy:
sel = outliers_wavy(trans)
trans = trans[sel]
return trans, dfile, sensor
else:
return None, dfile, sensor
ldatap = []
ldatappca = []
ltimes = []
for dfiles in [datainfo.datafiles[0]]:
print(dfiles)
d = f[dfiles + '/' + s + '/' + 'PeaksResample']
dataf = d[()]
ldatap.append(dataf)
#d = f[dfiles + '/' + s + '/' + 'Time']
#times = d[()]
#ltimes.append(times)
d = f[dfiles + '/' + s + '/' + 'PeaksResamplePCA']
dataf = d[()]
ldatappca.append(dataf)
data = ldatap[0] #np.concatenate(ldata)
datapca = ldatappca[0] #np.concatenate(ldata)
#ptime = ltimes[0]
#print(len(data))
long = data.shape[1] / 3
for i in range(5): #range(data.shape[0]):
# print dataraw[i]
# print data[i]
#print('T = %d'%ptime[i])
base = baseline_als(data[i], 5, 0.9)
show_signal(base, find_baseline(data[i, :long], resolution=50))
show_signal(base, find_baseline(base[i:long], resolution=100))
#show_two_signals(data[i],datapca[i])
# show_signal(datapca[i])
def do_the_job(dfile,
sensor,
recenter=True,
wtsel=None,
clean=False,
mbasal='meanfirst',
alt_smooth=False,
wavy=False,
vpca=0.98):
"""
Transforms the data reconstructing the peaks using some components of the PCA
and uses the mean of the baseline points to move the peak
:param pcap: Perform or not PCA
:param dfile: datafile
:param sensor: sensor
:param components: Components selected from the PCA
:param lbasal: Points to use to move the peak
:param recenter: recenters the peak so it is in the center of the window
:param basal: moving the peak so the begginning is closer to zero
'meanfirst', first n points
'meanmin', first min points of the first half of the peak
:return:
"""
print(datainfo.dpath + datainfo.name, sensor)
f = datainfo.open_experiment_data(mode='r')
data = datainfo.get_peaks_resample(f, dfile, sensor)
datainfo.close_experiment_data(f)
pcap = datainfo.get_peaks_smooth_parameters('pcasmooth')
components = datainfo.get_peaks_smooth_parameters('components')
baseline = datainfo.get_peaks_smooth_parameters('wbaseline')
lbasal = range(baseline)
if alt_smooth:
parl = datainfo.get_peaks_alt_smooth_parameters('lambda')
parp = datainfo.get_peaks_alt_smooth_parameters('p')
if data is not None:
# if there is a clean list of peaks then the PCA is computed only for the clean peaks
if clean:
lt = datainfo.get_clean_time(f, dfile, sensor)
if lt is not None:
ltime = list(lt[()])
print(data.shape)
data = data[ltime]
print(data.shape)
if alt_smooth:
trans = np.zeros((data.shape[0], data.shape[1]))
for i in range(data.shape[0]):
trans[i] = baseline_als(data[i, :], parl, parp)
elif pcap:
pca = PCA(n_components=data.shape[1])
res = pca.fit_transform(data)
sexp = 0.0
ncomp = 0
while sexp < vpca:
sexp += pca.explained_variance_ratio_[ncomp]
ncomp += 1
components = ncomp
print('VEX=', np.sum(pca.explained_variance_ratio_[0:components]),
components)
res[:, components:] = 0
trans = pca.inverse_transform(res)
else:
trans = data
# If recenter, find the new center of the peak and crop the data to wtsel milliseconds
if recenter:
# Original window size in milliseconds
wtsel_orig = datainfo.get_peaks_resample_parameters('wtsel')
# current window midpoint
midpoint = int(trans.shape[1] / 2.0)
# New window size
wtlen = int(trans.shape[1] * (wtsel / wtsel_orig))
wtdisc = int((trans.shape[1] - wtlen) / 2.0)
# in case we have a odd number of points in the window
if wtlen + (2 * wtdisc) != wtlen:
wtdisci = wtdisc + 1
else:
wtdisci = wtdisc
new_trans = np.zeros((trans.shape[0], wtlen))
for pk in range(trans.shape[0]):
# find current maximum around the midpoint of the current window
# Fixed to 10 points around the center
center = np.argmax(trans[pk, midpoint - 10:midpoint + 10])
new_trans[pk] = trans[pk, wtdisci:wtlen - wtdisc]
trans = new_trans
# Substract the basal
if mbasal == 'meanfirst':
for row in range(trans.shape[0]):
vals = trans[row, lbasal]
basal = np.mean(vals)
trans[row] -= basal
#show_two_signals(trans[row]+basal, trans[row])
elif mbasal == 'meanmin':
for row in range(trans.shape[0]):
vals = trans[row, 0:trans.shape[1] / 2]
vals = np.array(sorted(list(vals)))
basal = np.mean(vals[lbasal])
trans[row] -= basal
#show_two_signals(trans[row]+basal, trans[row])
elif mbasal == 'meanmin':
for row in range(trans.shape[0]):
vals = trans[row, 0:trans.shape[1] / 2]
vals = np.array(sorted(list(vals)))
basal = np.mean(vals[lbasal])
trans[row] -= basal
#show_two_signals(trans[row]+basal, trans[row])
elif mbasal == 'globalmeanfirst':
globbasal = np.mean(trans[:, lbasal])
trans -= globbasal
elif mbasal == 'alternative':
for row in range(trans.shape[0]):
basal = find_baseline(trans[row, 0:trans.shape[1] / 2],
resolution=25)
trans[row] -= basal
if wavy:
sel = outliers_wavy(trans)
trans = trans[sel]
return trans, dfile, sensor
else:
return None, dfile, sensor
for dfiles in [datainfo.datafiles[0]]:
print(dfiles)
d = f[dfiles + '/' + s + '/' + 'PeaksResample']
dataf = d[()]
ldatap.append(dataf)
#d = f[dfiles + '/' + s + '/' + 'Time']
#times = d[()]
#ltimes.append(times)
d = f[dfiles + '/' + s + '/' + 'PeaksResamplePCA']
dataf = d[()]
ldatappca.append(dataf)
data = ldatap[0] #np.concatenate(ldata)
datapca = ldatappca[0] #np.concatenate(ldata)
#ptime = ltimes[0]
#print(len(data))
long = data.shape[1]/3
for i in range(5): #range(data.shape[0]):
# print dataraw[i]
# print data[i]
#print('T = %d'%ptime[i])
base = baseline_als(data[i], 5, 0.9)
show_signal(base, find_baseline(data[i,:long], resolution=50))
show_signal(base, find_baseline(base[i:long], resolution=100))
#show_two_signals(data[i],datapca[i])
# show_signal(datapca[i])
