Additional file 1.

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The supplemental video demonstrates the effect of continuously increasing JPEG compression from Q = 100 to Q=1 and then decreasing JPEG compression back up to Q=100 for an abdominal CT scan. The continuous range of Q values shown in the video is similar to what subjects viewed in Psychometric Experiment 1 (see Results), but in the actual experiment, the viewer was able to actively control the process of scrolling through the stack of images.

Format: MOV Size: 8.2MB Download file

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Flint BMC Medical Imaging 2012 12:24   doi:10.1186/1471-2342-12-24