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Fig. 5A. —20-year-old man with primary tuberculosis. Chest radiographs show effect of decreasing JPEG (Joint Photographic Experts Group) image compression (JPEG level 1, 48 KB [kilobytes] [A]; JPEG level 7, 132 KB [B]; JPEG level 10, 340 KB [C]) on appearance of printed digital image and on corresponding image file size. Images are shown ranging from low quality and high compression to high quality and low compression.





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