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/ComboPanNeuronalGCaMP6/945/945_170919/945ss2cregcdFF20spsfkf222Smith0_4_60TS.mat

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


Out[3]:
(5898, 222)

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/ComboPanNeuronalGCaMP6/945/945_170919/945ss2cregcdFF20spsfkf222Smith0_4_60IC.nii

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


Out[5]:
(189, 114, 10, 222)

In [6]:
S=data.shape
S


Out[6]:
(189, 114, 10, 222)

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/ComboPanNeuronalGCaMP6/945/945Registration/JFRC945TransformedseparateLargefullpsftrimmed.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]:
(189, 114, 10, 222)

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]:
[9]

In [18]:
pylab.rcParams['figure.figsize'] = (13, 2.5)

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
LH
SNP
CX
LX
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 [19]:
BadICs=[178,209,186,200,217,208,155,164,113,215,203,125,214]

In [20]:
for idx in BadICs:
    GoodICAnat[idx] = 0.0

In [21]:
pylab.rcParams['figure.figsize'] = (13, 3)

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


2
9
13
14
18
23
24
25
28
30
34
41
43
48
50
56
61
64
71
73
75
79
84
85
92
100
103
107
111
112
115
119
128
129
130
136
137
150
154
157
OL
20
54
74
82
96
VLNP
38
40
97
148
168
170
216
VMNP
16
32
36
39
67
78
90
93
AL
3
7
11
15
26
47
49
62
81
83
87
101
117
135
140
177
MB
5
8
21
27
69
76
86
99
108
118
184
LH
0
4
19
53
133
146
162
166
192
206
213
SNP
44
46
55
57
66
116
124
156
160
179
211
CX
35
51
123
LX
60
INP
12
17
31
33
42
58
65
72
138
139
169
PENP
6
10
29
45
52
77
88
89
110
131
132
159
181
185
190
196
197
204
GNG

In [22]:
BadICs=[178,209,186,200,217,208,155,164,113,215,203,125,214]

In [31]:
# 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)
Ua=sio.loadmat(filename)
Xk=Ua['Xk']


/media/sophie/008C0665790F0763/ComboPanNeuronalGCaMP6/945/945StimXk.mat

In [25]:
# 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
filenamet = askopenfilename() # show an "Open" dialog box and return the path to the selected file
print(filenamet)
nimt=nb.load(filenamet)
Dtemp=np.squeeze(nimt.get_data())
Dtemp.shape


/media/sophie/008C0665790F0763/ComboPanNeuronalGCaMP6/945/945Registration/AVG_945ss2cregcpsf.nii
Out[25]:
(189, 114, 10)

In [32]:
if S[2]>5:
    Nstack=5
    Int100=[(i+1)*100/Nstack for i in range(Nstack)]
    Percs=np.percentile(range(S[2]),Int100)
    Indices=np.split(range(S[2]),Percs)
    D1=np.zeros([S[0],S[1],Nstack])
    Dmean=np.squeeze(data[:,:,range(Nstack),2])
    for i in range(Nstack):
        Vmean=np.mean(Dtemp[:,:,Indices[i]],2)
        Dmean[:,:,i]=Vmean
else:
    Nstack=S[2]
    D1=np.zeros([S[0],S[1],S[2]])
    Dmean=data[:,:,range(S[2])]  
    Dmean=np.squeeze(Dtemp[:,:,:])

for j in range(S[3]):

    a=''
    if S[2]>5:
        for i in range(Nstack):
            V=Dmaps[:,:,Indices[i],j]
            D1[:,:,i]=np.max(V,2)
        D2[:,:,:,j]=D1
        D1[D1==0]=np.nan

plt.imshow(Dmean[:,:,1],cmap=plt.cm.gray)


Out[32]:
<matplotlib.image.AxesImage at 0x7efe828e3950>

In [33]:
from sklearn import linear_model

In [34]:
my_cmap=plt.cm.jet
my_cmap.set_bad(alpha=0)
Good_ICs=np.zeros(S[3])
Label_ICs=[]
pylab.rcParams['figure.figsize'] = (15, 2.5)

algorithm = linear_model.LinearRegression()

Sxk=Xk.shape

Sxk

X=np.zeros((Sxk[0],2))

X[:,0]=(Xk[:,0]-np.mean(Xk[:,0]))/np.std(Xk[:,0])
X[:,1]=(Xk[:,1]-np.mean(Xk[:,1]))/np.std(Xk[:,1])
#X[:,2]=(Xk[:,3]-np.mean(Xk[:,3]))/np.std(Xk[:,3])
#X[:,3]=(Xk[:,4]-np.mean(Xk[:,4]))/np.std(Xk[:,4])
#X[:,4]=(Xk[:,6]-np.mean(Xk[:,6]))/np.std(Xk[:,6])
#X[:,5]=(Xk[:,7]-np.mean(Xk[:,7]))/np.std(Xk[:,7])

plt.plot(X[:,0])
plt.plot(X[:,1])


Out[34]:
[<matplotlib.lines.Line2D at 0x7efe80e601d0>]

In [35]:
Rsq=np.zeros((1,S[3]))
Betas=np.zeros((2,S[3]))

X.shape

DT.shape

for j in range(S[3]):
    model = algorithm.fit(X, DT[:,j])
    Betas[:,j] = model.coef_
    Rsq[:,j] = model.score(X,DT[:,j])

plt.plot(DT)
plt.plot(X)


Out[35]:
[<matplotlib.lines.Line2D at 0x7efe828a4f50>,
 <matplotlib.lines.Line2D at 0x7efe7977be10>]

In [36]:
RsqUni=np.zeros((6,S[3]))
BetaUni=np.zeros((6,S[3]))

Sx=X.shape

for k in range(2):
    for j in range(S[3]):
        model = algorithm.fit(np.reshape(X[:,k],(Sx[0],1)), DT[:,j])
        BetaUni[k,j] = model.coef_
        RsqUni[k,j] = model.score(np.reshape(X[:,k],(Sx[0],1)),DT[:,j])
    

plt.plot(Betas[0,:])


Out[36]:
[<matplotlib.lines.Line2D at 0x7efe796285d0>]

In [37]:
import random

In [38]:
if S[2]>5:
    Final_map=np.zeros([S[0],S[1],5,3])
    Fmaps=np.zeros([S[0],S[1],5,3])
else:
    Final_map=np.zeros([S[0],S[1],3]) 
    Fmaps=np.zeros([S[0],S[1],3])    
C=np.zeros([S[3],3])
C1=np.zeros([6,3])
C1[0][:]=(1,0,0)
C1[1][:]=(0,1,0)
C1[2][:]=(0,0,1)
C1[3][:]=(0.8,0.8,0)
C1[4][:]=(0,1,1)
C1[5][:]=(1,0,1)
S1=DT.shape

In [39]:
C=np.zeros((S[3],3))
i=0
l=0
Betas2=Betas
LightNuminRegion=np.zeros(12)
for j in range(S[3]):  
    if Betas2[0,j]>0.1*np.max(Betas2[0,:]) and abs(Betas2[1,j])<0.1*np.max(Betas2[1,:]):
    #if 1>0.1:
        #C[j,:]=C1[i%6][:]
        C[j,2]=1
        C[j,1]=Betas2[0,j]/np.max(Betas2[0,:])
        #C[j,2]=1
        for k in range(3):           
            M=np.max(np.squeeze(np.reshape(D2[:,:,:,j],S[0]*S[1]*5)))
            Fmaps[:,:,:,k]=0.25*D2[:,:,:,j]*C[j,k]/M
        Final_map=Final_map+Fmaps
        #Betas[0,j]=0
        #print(Indexo[j])
        print(j+1)
        print(RegionName[int(CompMainName[j])-1])     
        LightNuminRegion[int(CompMainName[j])-1]=LightNuminRegion[int(CompMainName[j])-1]+1
        i=i+1
        l=l+1

        #if l==2:
            #break


3
OL
10
OL
14
OL
15
OL
19
OL
24
OL
25
OL
26
OL
29
OL
31
OL
35
OL
42
OL
51
OL
60
VLNP
61
INP
62
OL
65
OL
69
VMNP
72
OL
76
OL
80
OL
81
OL
86
OL
98
VMNP
103
CX
106
MB
107
OL
110
OL
122
MB
131
OL
137
OL
168
LH
190
OL

In [40]:
pylab.rcParams['figure.figsize'] = (15, 6)
C2=np.zeros(3)

Df=np.zeros([S[0],S[1],5,3]) 
  
for i in range(3):
    Df[:,:,:,i]=Final_map[:,:,:,i]+Dmean/10
    #Df=Df/(np.max(np.max(np.max(Df),3)))
if S[2]>5:
    N=Nstack
else:
    N=S[2]
for i in range(N):
    #if Good_ICs[j]:
        plt.subplot(1,N,i+1)
        plt.imshow(Df[:,:,i],cmap=plt.cm.gray)
        plt.imshow(Df[:,:,i,:],cmap=my_cmap,interpolation='none')
        frame1 = plt.gca()
        frame1.axes.get_xaxis().set_visible(False)
        frame1.axes.get_yaxis().set_visible(False)
plt.tight_layout(pad=0,w_pad=0,h_pad=0)



In [41]:
C=np.zeros((S[3],3))
i=0
l=0
Betas2=Betas
OdorNuminRegion=np.zeros(12)

for j in range(S[3]):  
    if Betas2[1,j]>0.1*np.max(Betas2[1,:]) and abs(Betas2[0,j])<0.1*np.max(Betas2[0,:]):
    #if 1>0.1:
        #C[j,:]=C1[i%6][:]
        C[j,0]=1
        C[j,1]=Betas2[1,j]/np.max(Betas2[1,:])
        #C[j,2]=1
        for k in range(3):           
            M=np.max(np.squeeze(np.reshape(D2[:,:,:,j],S[0]*S[1]*5)))
            Fmaps[:,:,:,k]=0.25*D2[:,:,:,j]*C[j,k]/M
        Final_map=Final_map+Fmaps
        #Betas2[1,j]=0
        #print(Indexo[j])
        OdorNuminRegion[int(CompMainName[j])-1]=OdorNuminRegion[int(CompMainName[j])-1]+1
        print(RegionName[int(CompMainName[j])-1])
        i=i+1
        l=l+1
        print(j+1)
        #if l==2:
         #   break

NumOdor=i
print('Number of odor components')
print(i)


SNP
1
MB
4
SNP
5
LH
6
MB
8
LH
9
MB
12
MB
16
AL
17
SNP
20
LH
22
GNG
23
MB
27
LH
28
AL
33
AL
37
SNP
38
AL
40
CX
45
CX
47
MB
48
MB
50
SNP
54
CX
56
CX
58
MB
63
CX
67
LH
70
MB
71
LH
77
MB
82
MB
84
LH
87
MB
88
MB
92
MB
95
OL
99
LH
100
MB
102
LH
109
OL
113
SNP
115
CX
117
MB
118
AL
121
LX
124
SNP
134
MB
136
MB
141
MB
143
SNP
147
VMNP
149
Number of odor components
52

In [42]:
pylab.rcParams['figure.figsize'] = (15, 6)
C2=np.zeros(3)

Df=np.zeros([S[0],S[1],5,3]) 
  
for i in range(3):
    Df[:,:,:,i]=Final_map[:,:,:,i]+Dmean/10
    #Df=Df/(np.max(np.max(np.max(Df),3)))
if S[2]>5:
    N=Nstack
else:
    N=S[2]
for i in range(N):
    #if Good_ICs[j]:
        plt.subplot(1,N,i+1)
        plt.imshow(Df[:,:,i],cmap=plt.cm.gray)
        plt.imshow(Df[:,:,i,:],cmap=my_cmap,interpolation='none')
        frame1 = plt.gca()
        frame1.axes.get_xaxis().set_visible(False)
        frame1.axes.get_yaxis().set_visible(False)
plt.tight_layout(pad=0,w_pad=0,h_pad=0)



In [43]:
np.savetxt('/'.join(filename.split('/')[:-1])+'/OdorNumberInLargeRegions.txt',OdorNuminRegion)
np.savetxt('/'.join(filename.split('/')[:-1])+'/LightNumberInLargeRegions.txt',LightNuminRegion)

In [44]:
plt.plot(OdorNuminRegion)
plt.plot(LightNuminRegion)


Out[44]:
[<matplotlib.lines.Line2D at 0x7efe79680950>]

In [ ]: