def plot_image(original):
    f = plt.figure()
    original=mpimg.imread(original)
    mod=mpimg.imread('/home/ricardo/Scrivania/compressione_immagini_DCT/immagini/outfile.bmp')
    plt.axis("off")
    f.add_subplot(1,2, 1)
    plt.title('original image')
    plt.imshow(original,cmap='gray',aspect='auto')
    plt.axis("off")
    f.add_subplot(1,2, 2)
    plt.title('compressed image')
    plt.imshow(mod,cmap='gray',aspect='auto')
    plt.axis("off")
    plt.suptitle('image comparison', fontsize=16)
    plt.show(block=True)