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- import matplotlib.pyplot as plt
- from PIL import Image
- import os
- jpegbillede = Image.open("Advent.bmp")
- grayjpegbillede = jpegbillede.convert('L')
- for i in range(1, 100+1, 1):
- grayjpegbillede.save(str(i)+"_advent.jpg", quality=i)
- size = os.stat(str(i)+"_advent.jpg").st_size
- plt.plot(i, size/1024, color="green",marker=".", markersize="7")
- plt.xlabel("Kvalitet")
- plt.ylabel("Størrelse efter JPEG-komprimering i kilobyte")
- plt.show()
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