image_processing/impro.py at master · sourojit/image_processing · GitHub

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# coding: utf-8

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import numpy as np
import matplotlib.pyplot as plt
import os


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cwd=os.getcwd()


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image_dir=os.path.join(cwd,'image_series')


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image_dir


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files= [f for f in os.listdir(image_dir) if f.endswith('.jpg')]


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files


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redperimage=[]


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greperimage=[]


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for image in files:
    img=plt.imread(os.path.join(image_dir,image))
    reds=img[:,:,0]
    redperimage.append(np.sum(reds))
    greens=img[:,:,1]
    greperimage.append(np.sum(greens))


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redperimage=np.array(redperimage,dtype=float)
greperimage=np.array(greperimage,dtype=float)


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ratio=redperimage/greperimage


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plt.subplot(211)


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plt.plot(range(0,len(redperimage)),redperimage,'ro')
plt.plot(range(0,len(greperimage)),greperimage,'go')


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plt.subplot(212)


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plt.plot(range(0,len(ratio)),ratio,'ko')


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plt.show()


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