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Figure 5
Using GETBEAM to help define direct-beam coordinates: (a) background-only image for 1vq0 (JCSG, 2006BB14) with lines used for calculating correlations between opposite areas; (b) part of a direct-beam shot image with enlarged areas around the direct-beam position (blue) and some rogue high-value pixels (red).

Journal logoBIOLOGICAL
ISSN: 1399-0047
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