File "D:\Python\programs\IMG PRO\im.py", line 30, in <module> threshhold(iar) File "D:\Python\programs\IMG PRO\im.py", line 17, in threshhold echpix[0]=255 ValueError: assignment destination is read-only
from PIL import Image import numpy as np import matplotlib.pyplot as plt import time def threshhold(imagearray): newa=imagearray bal=list() for echrow in imagearray: for echpix in echrow: avg=sum(echpix[:3])/3 bal.append(avg) s=sum(bal[0:]) balance=s/len(bal) for echrow in newa: for echpix in echrow: if (sum(echpix[:3])/3)>balance: echpix[0]=255 echpix[1]=255 echpix[2]=255 echpix[3]=255 else: echpix[0]=0 echpix[1]=0 echpix[2]=0 echpix[3]=255 print newa im=Image.open('../images/numbers/y0.3.png') iar=np.asarray(im) threshhold(iar) fig=plt.figure() ax1=plt.subplot2grid((8,6),(0,0),rowspan=4,colspan=3) ax1.imshow(iar) plt.show()
var
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