diff --git a/function.py b/function.py
index 38c8ad5..b271102 100644
--- a/function.py
+++ b/function.py
@@ -25,14 +25,10 @@ def doTheInpainting(img,mask,radius):
                 targetToSource.input = newTarget
                 target = newTarget
                 newTarget = None
-            
             for y in range(source.height):
                 for x in range(source.width):
                     if not source.containsMask(x,y,radius):
                         sourceToTarget.field[y,x] = (x,y,0)
-            for y in range(target.height):
-                for x in range(target.width):
-                    if not source.containsMask(x,y,radius):
                         targetToSource.field[y,x] = (x,y,0)
             sourceToTarget.minimize(iterNnf)
             targetToSource.minimize(iterNnf)
@@ -122,7 +118,7 @@ def ExpectationStep(nnf,sourceToTarget, vote, source, upscale):
                         weightedCopy(source,2*xs+1,2*ys+1,vote,2*xt+1,2*yt+1,w)
                     else:
                         weightedCopy(source,xs,ys,vote,xt,yt,w)
-    
+
 def weightedCopy(src,xs,ys,vote,xd,yd,w):
     if src.mask[ys,xs]:
         return
@@ -139,4 +135,4 @@ def MaximizationStep(target,vote):
                 g = int(vote[x,y,1]/vote[x,y,3])
                 b = int(vote[x,y,2]/vote[x,y,3])
                 target.image[y,x] = (r,g,b)
-                target.mask[y,x] = False
\ No newline at end of file
+                target.mask[y,x] = False
diff --git a/maskedImage.py b/maskedImage.py
index becc1cc..c65863a 100644
--- a/maskedImage.py
+++ b/maskedImage.py
@@ -66,7 +66,7 @@ class MaskedImage:
                     newmask[y // 2, x // 2] = True
         
         return MaskedImage(image=newimage, mask=newmask)
-    
+
     def upscale(self, newH, newW):
         newImage = MaskedImage(width=newW,height=newH)
         for y in range(newH):
@@ -75,10 +75,8 @@ class MaskedImage:
                 ys = int(y*self.height/newH)
 
                 if not self.mask[ys,xs]:
-                    newImage.image[y,x,0] = self.image[ys,xs,0]
-                    newImage.image[y,x,1] = self.image[ys,xs,1]
-                    newImage.image[y,x,2] = self.image[ys,xs,2]
+                    newImage.image[y,x] = self.image[ys,xs]
                     newImage.mask[y,x] = False
                 else:
                     newImage.mask[y,x] = True
-        return newImage
\ No newline at end of file
+        return newImage
diff --git a/multiTout.py b/multiTout.py
index 03d286b..4066536 100644
--- a/multiTout.py
+++ b/multiTout.py
@@ -30,5 +30,3 @@ img = doTheInpainting(img,mask,2)
 plt.imshow(img)
 plt.title("image final")
 plt.pause(20)
-
-
diff --git a/nnf.py b/nnf.py
index a404692..dad59a6 100644
--- a/nnf.py
+++ b/nnf.py
@@ -9,10 +9,11 @@ class Nnf:
         self.patchSize = patchSize
 
     def randomize(self):
+        
         self.field = np.zeros((self.input.height, self.input.width, 3), dtype=int)
-        for x in range(self.input.width):
-            for y in range(self.input.height):
-                self.field[y,x] = (random.randint(0,self.output.width),random.randint(0,self.output.height),MaskedImage.DSCALE)
+        self.field[:,:,2] += MaskedImage.DSCALE
+        self.field[:,:,0] = np.random.randint(0,self.output.width,self.input.width)
+        self.field[:,:,1] = np.random.randint(0,self.output.height,self.input.height)
         self.initialize()
     
     def initializeFromNnf(self,nnf):
@@ -30,8 +31,8 @@ class Nnf:
         for y in range(self.input.height):
             for x in range(self.input.width):
                 self.field[y,x,2] = self.distance(x,y,self.field[y,x,0],self.field[y,x,1])
-                iter=0
-                maxIter =10
+                iter= 0
+                maxIter = 10
                 while (self.field[y,x,2] == MaskedImage.DSCALE and iter<maxIter):
                     self.field[y,x] = (random.randint(0,self.output.width),random.randint(0,self.output.height),self.distance(x,y,self.field[y,x,0],self.field[y,x,1]))
                     iter += 1
@@ -54,9 +55,7 @@ class Nnf:
             yp = self.field[y,x-direction,1]
             dp = self.distance(x,y,xp,yp)
             if (dp<self.field[y,x,2]):
-                self.field[y,x,0] = xp
-                self.field[y,x,1] = yp
-                self.field[y,x,2] = dp
+                self.field[y,x] = (xp,yp,dp)
         
         # verticale
         if (0<y-direction<self.input.height):
@@ -64,9 +63,7 @@ class Nnf:
             yp = self.field[y-direction,x,1] + direction
             dp = self.distance(x,y,xp,yp)
             if (dp<self.field[y,x,2]):
-                self.field[y,x,0] = xp
-                self.field[y,x,1] = yp
-                self.field[y,x,2] = dp
+                self.field[y,x] = (xp,yp,dp)
         
         # recherche random
         zoneRecherche = max(self.output.height,self.output.width)
@@ -77,15 +74,12 @@ class Nnf:
             yp = max(0,min(self.output.height-1,yp))
             dp = self.distance(x,y,xp,yp)
             if (dp<self.field[y,x,2]):
-                self.field[y,x,0] = xp
-                self.field[y,x,1] = yp
-                self.field[y,x,2] = dp
+                self.field[y,x] = (xp,yp,dp)
             zoneRecherche = int(zoneRecherche/2)
 
     def distance(self,x,y,xp,yp):
         return distance(self.input,x,y,self.output,xp,yp,self.patchSize)
 
-
 def distance(source, xs, ys, target, xt, yt, patchSize):
         ssd_max = 9 * 255 * 255
         distance, wsum = 0, 0
@@ -108,4 +102,4 @@ def distance(source, xs, ys, target, xt, yt, patchSize):
                     continue
                 ssd = np.sum((source.image[yks, xks] - target.image[ykt, xkt]) ** 2)
                 distance += ssd
-        return int(MaskedImage.DSCALE * distance / wsum)
\ No newline at end of file
+        return int(MaskedImage.DSCALE * distance / wsum)