Additional Python Modules 4

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import cv2,pylab,urllib 

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dpath='https://olgabelitskaya.github.io/new/'

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for f in ['10.png','24.png']:

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    input_file=urllib.request.urlopen(dpath+f)

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    output_file=open(f,'wb')

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    output_file.write(input_file.read())

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    output_file.close(); input_file.close() 

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edge=cv2.imread('10.png'); edge2=cv2.imread('24.png');

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edge=cv2.GaussianBlur(edge,(int(2*3+1),int(2*3+1)),-int(1))[3:-3,3:-3]

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edge2=cv2.GaussianBlur(edge2,(int(2*5+1),int(2*5+1)),-int(1))[5:-5,5:-5]

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s1='size: %s, shape: %s, type: %s'%\

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(edge.size,edge.shape,edge.dtype)

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s2='size: %s, shape: %s, type: %s'%\

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(edge2.size,edge2.shape,edge2.dtype)

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gray_edge=cv2.cvtColor(edge,cv2.COLOR_BGR2GRAY)

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gray_edge2=cv2.cvtColor(edge2,cv2.COLOR_BGR2GRAY)

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edges=cv2.Canny(gray_edge,int(60),int(230))

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edge[edges!=int(0)]=(0,0,255)

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edges2=cv2.Canny(gray_edge2,int(50),int(120))

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edge2[edges2!=int(0)]=(0,0,255)

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pylab.figure(figsize=(6,8))

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pylab.subplot(211); pylab.title(s1,fontsize=10,loc='left')

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pylab.imshow(cv2.cvtColor(edge,cv2.COLOR_BGR2RGB))

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pylab.subplot(212); pylab.title(s2,fontsize=10,loc='left')

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pylab.imshow(cv2.cvtColor(edge2,cv2.COLOR_BGR2RGB))

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pylab.tight_layout(); pylab.show()

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