In [1]:
import matplotlib
import numpy as np
import matplotlib.pyplot as plt
from scipy import stats
from scipy import io
import scipy.io as sio
%matplotlib inline 
import pylab
import csv
from Tkinter import Tk
from tkFileDialog import askopenfilename
from tkFileDialog import askdirectory
import nibabel as nb
from scipy import io
#from nifti import NiftiImage
import nibabel as nb
from scipy.interpolate import interp1d
from scipy import ndimage

Open data


In [2]:
# from http://stackoverflow.com/questions/3579568/choosing-a-file-in-python-with-simple-dialog
Tk().withdraw() # we don't want a full GUI, so keep the root window from appearing
filename = askopenfilename() # show an "Open" dialog box and return the path to the selected file
print(filename)


/media/sophie/008C0665790F0763/ComboPanNeuronalGCaMP6/40x/960/960ss1_500regcdFF20spsfkf192Smith0_4_60TS.mat

In [3]:
Ua=sio.loadmat(filename)
DT=Ua['TSo']
DT.shape


Out[3]:
(5310, 192)

In [4]:
# from http://stackoverflow.com/questions/3579568/choosing-a-file-in-python-with-simple-dialog
Tk().withdraw() # we don't want a full GUI, so keep the root window from appearing
filename2 = askopenfilename() # show an "Open" dialog box and return the path to the selected file
print(filename2)


/media/sophie/008C0665790F0763/ComboPanNeuronalGCaMP6/40x/960/960ss1_500regcdFF20spsfkf192Smith0_4_60IC.nii

In [5]:
img1 = nb.load(filename2)
data = img1.get_data()
S=data.shape
S


Out[5]:
(88, 77, 10, 192)

In [6]:
S=data.shape
S


Out[6]:
(88, 77, 10, 192)

Z-score


In [7]:
Demean=np.zeros(S)
Dmaps=np.zeros(S)
Dvar=np.zeros(S)
Var=np.zeros(S[3])
D2=np.zeros([S[0],S[1],5,S[3]])
Tvar=np.zeros(S[3])

In [8]:
for i in range(S[3]):
    Demean[:,:,:,i]=data[:,:,:,i]-np.mean(np.mean(np.mean(data[:,:,:,i],0),0),0)

In [9]:
for i in range(S[3]):
    Dsq=np.reshape(Demean[:,:,:,i],S[0]*S[1]*S[2])
    Var[i]=np.sqrt(np.var(Dsq))
    Dvar=Demean[:,:,:,i]/Var[i]
    Dmaps[:,:,:,i]=Dvar-2.5
    Tvar[i]=np.var(DT[i,:])
Dmaps[Dmaps<0]=0

Open Masks


In [10]:
# from http://stackoverflow.com/questions/3579568/choosing-a-file-in-python-with-simple-dialog
from Tkinter import Tk
from tkFileDialog import askopenfilename

Tk().withdraw() # we don't want a full GUI, so keep the root window from appearing
filenameM = askopenfilename() # show an "Open" dialog box and return the path to the selected file
print(filenameM)
img1 = nb.load(filenameM)
Masks = img1.get_data()
Sm=Masks.shape
Masks=np.array(Masks)


/media/sophie/008C0665790F0763/ComboPanNeuronalGCaMP6/40x/960/960registration/JFRCTransformedLargefullpsftrimmed.nii

In [11]:
filenameM='/home/sophie/LargeRegionList'
with open(filenameM) as f:
    content = f.readlines()
Names=[Line.replace('\n','').split(' ') for Line in content]
RegionName=[Names[i][1] for i in range(12)]
Num=[int(Names[i][0]) for i in range(12)]

In [12]:
RegionName


Out[12]:
['OL',
 'VLNP',
 'VMNP',
 'AL',
 'MB',
 'LH',
 'SNP',
 'CX',
 'LX',
 'INP',
 'PENP',
 'GNG']

Average in masks to sort components by brain region


In [13]:
Dmaps.shape


Out[13]:
(88, 77, 10, 192)

In [14]:
M=np.zeros((S[3],13))
Mapmean=np.zeros(S[3])
MMasks=np.zeros(13)

In [15]:
for i in range(S[3]):
    Mapmean[i]=np.mean(np.mean(np.mean(Dmaps[:,:,:,i])))
    for j in range(12):
        MMasks[j]=np.mean(np.mean(np.mean(Masks[:,:,:,j])))
        if MMasks[j]:
            M[i,j]=np.mean(np.mean(np.mean(Masks[:,:,:,j]*Dmaps[:,:,:,i])))/(MMasks[j]*Mapmean[i])

In [16]:
CompMainName=S[3]*['']
CompNameAdd=np.zeros((S[3],12))
for i in range(S[3]):
    Max=np.max(M[i,:])
    I=np.argmax(M[i,:])+1
    for j in range(12):
        J=[l for l in range(12) if Num[l]==(j+1)]
        if M[i,j]>0.2*Max:
            CompNameAdd[i,J]=1
    J=[l for l in range(12) if Num[l]==I]
    if J!= []:
        CompMainName[i]=Names[np.array(J)][0]


/usr/local/lib/python2.7/dist-packages/ipykernel/__main__.py:12: VisibleDeprecationWarning: converting an array with ndim > 0 to an index will result in an error in the future

In [17]:
J


Out[17]:
[8]

In [27]:
pylab.rcParams['figure.figsize'] = (13, 5)

h=5
tot=0
GoodICAnat=np.zeros(S[3])

for l in range(12):
    Final_maps=np.zeros((S[0],S[1],3))
    Fmap=np.zeros((S[0],S[1],3))
    C=np.zeros(3)

    n=0
    for i in range(len(CompMainName)):                    
        Dmmv=np.mean(data[:,:,:,i],2) 
        Dmmv[Dmmv<0.2*np.max(np.max(np.max(Dmmv)))]=0
        C=np.squeeze(np.random.rand(3,1))
        labeled, nrobject=ndimage.label(Dmmv>0)
        
        if CompMainName[i]==Names[l][0] and (sum(CompNameAdd[i,:])<5) and nrobject<200:
            n=n+1            
            
            for k in range(3):
                Fmap[:,:,k]=0.7*Dmmv*C[k]/np.max(C)
            Final_maps=Final_maps+Fmap
            #plt.plot(Time_fluoICA.T,(DT[:,i]/np.sqrt(np.var(DT[:,i]))-h*n+2),color=C/2)
            plt.plot((DT[:,i]/np.sqrt(np.var(DT[:,i]))-h*n+2),color=C/2)
            tot=tot+1
            GoodICAnat[i]=1
            
                    
    if n!=0:
        print(RegionName[l])
        plt.show()
        FM=Final_maps/np.max(np.max(Final_maps))
        FM[FM<0.1]=0
        plt.imshow(FM,interpolation='none')
        plt.show()
        frame1 = plt.gca()
        frame1.axes.get_xaxis().set_visible(False)
        frame1.axes.get_yaxis().set_visible(False)


OL
VLNP
VMNP
AL
MB
SNP
CX
INP
PENP
GNG
Looked at the components maps and time series and remove all the components which are localized on the edge of the brain and with activity unlike GCaMP6 transients.

In [22]:
BadICs=[178,115,87,138,5,18,58,125,154,22,21,10,26,134,136,23,50,7,108]

In [23]:
for idx in BadICs:
    GoodICAnat[idx] = 0.0

In [24]:
pylab.rcParams['figure.figsize'] = (13, 2.5)

h=5
tot=0
NumberInLargeRegion=np.zeros(13)

for l in range(12):
    Final_maps=np.zeros((S[0],S[1],3))
    Fmap=np.zeros((S[0],S[1],3))
    C=np.zeros(3)

    n=0
    for i in range(len(CompMainName)):                    
        Dmmv=np.mean(data[:,:,:,i],2) 
        Dmmv[Dmmv<0.2*np.max(np.max(np.max(Dmmv)))]=0
        C=np.squeeze(np.random.rand(3,1))
        labeled, nrobject=ndimage.label(Dmmv>0)
        
        if CompMainName[i]==Names[l][0] and (sum(CompNameAdd[i,:])<5) and nrobject<200 and GoodICAnat[i]==1:
            n=n+1            
            
            for k in range(3):
                Fmap[:,:,k]=0.7*Dmmv*(C[k]+0.2)/np.max(C+0.2)
            Final_maps=Final_maps+Fmap
            #plt.plot(Time_fluoICA.T,(DT[:,i]/np.sqrt(np.var(DT[:,i]))-h*n+2),color=C/2)
            plt.plot((DT[:,i]/np.sqrt(np.var(DT[:,i]))-h*n+2),color=C/2)
            tot=tot+1
            GoodICAnat[i]=1
            print(i)
                    
    if n!=0:
        print(RegionName[l])
        plt.show()
        FM=Final_maps/np.max(np.max(Final_maps))
        FM[FM<0.1]=0
        plt.imshow(FM,interpolation='none')
        plt.show()
        frame1 = plt.gca()
        frame1.axes.get_xaxis().set_visible(False)
        frame1.axes.get_yaxis().set_visible(False)
                
    NumberInLargeRegion[l]=n


66
VLNP
49
61
70
79
88
121
141
147
VMNP
2
4
13
15
16
17
20
24
25
27
30
33
37
43
46
51
52
54
55
60
62
63
65
68
75
77
78
94
98
102
107
AL
0
3
11
12
14
31
41
42
48
57
59
69
76
151
166
MB
8
9
19
29
32
34
40
47
56
64
71
80
82
83
86
93
99
100
101
103
105
110
112
113
114
116
122
128
129
135
142
153
159
180
181
SNP
73
85
89
90
91
92
95
104
111
117
119
120
126
131
132
137
140
144
149
157
161
163
165
172
176
177
189
CX
1
6
28
36
45
67
81
156
179
INP
44
109
127
152
PENP

In [26]:
# Output number of component per region
np.savetxt('/'.join(filename.split('/')[:-1])+'/NumberInLargeRegionsV2.txt',NumberInLargeRegion)

In [ ]: