Python pil compare picture pixels

1 #-*-coding:utf-8-*-2 3  fromPILImportImage4  fromPylabImport*5 6 defcompare_pic_l (pic1,pic2):7     #Open the first picture8IM1 = Image.open (PIC1). CONVERT ('L')9     PrintIm1.format, im1.size, Im1.modeTen      One     #pixel value to array AAIM1 =np.transpose (Array (IM1)) -     #im1.show () -  theIm2=image.open (Pic2). CONVERT ('L') -Aim2=np.transpose (Array (im2)) - im2.show () -  +dif= Np.zeros (300,307)) -  +      forXinchRange (Dif.shape[0]): A          forYinchRange (dif.shape[1]): at             ifAim1[x,y] = =Aim2[x,y]: -dif[x,y]=255 -             Else: -dif[x,y]=0 -                 #Print Dif[x,y] -     #Print dif in     Print 'dif:', Dif.shape -  tox=Im1.size[0] +Y=im1.size[1] -      thec = Image.new ("L", (x, y), (255)) *     #c.show () $     #paint with pixel grayscale valuesPanax Notoginseng      forUinchRange (0,x): -          forIinchRange (0,y): the             #print type (Dif[i,u]) +ss=Int (dif[u,i]) A C.putpixel ((u,i), SS) the c.show () +  - defcompare_colorful_pic (pic1,pic2): $     #Open the first one to save the pixel information to an array. $Im3_1 =Image.open (PIC1) -array_im1=np.transpose (Array (im3_1)) -     PrintArray_im1.shape the  -     #Open the second one .Wuyiim33_ =Image.open (PIC2) theArray_im2=np.transpose (Array (im33_)) -     PrintArray_im2.shape Wu  -     #make Poor AboutDIF_=ARRAY_IM2-array_im1 $     #Print dif_ -     Printtype (dif_) -  -     #paint with three primary colors in pixel points APic_d = Image.new ("RGB", (Array_im1.shape[1],array_im1.shape[2]), (255)) +      forXinchRange (array_im1.shape[1]): the          forYinchRange (array_im1.shape[2]): -              $Pic_d.putpixel ((x, y), (255-dif_[0,x,y],255-dif_[1,x,y],255-dif_[2, X, y])) the             #Note that all two parameters are tuples;; First parameter: The number of pixels is wide * high, the second parameter is a three-color (three-channel) the  the pic_d.show () thePic_d.save ('d.jpg') -  in if __name__=="__main__": thecompare_pic_l ('2.jpg','2__.jpg') theCompare_colorful_pic ('2.jpg','2__.jpg')

Python pil compare picture pixels