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Dec 18th, 2018
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Python 0.45 KB | None | 0 0
  1. import matplotlib.pyplot as plt
  2. from PIL import Image
  3. import os
  4.  
  5. jpegbillede = Image.open("Advent.bmp")
  6. grayjpegbillede = jpegbillede.convert('L')
  7.  
  8. for i in range(1, 100+1, 1):
  9.     grayjpegbillede.save(str(i)+"_advent.jpg", quality=i)
  10.     size = os.stat(str(i)+"_advent.jpg").st_size
  11.     plt.plot(i, size/1024, color="green",marker=".", markersize="7")
  12. plt.xlabel("Kvalitet")
  13. plt.ylabel("Størrelse efter JPEG-komprimering i kilobyte")
  14. plt.show()
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