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Example of intra- and interoperator segmentation agreement for manual and semiautomated segmentation methods. [(a)–(d)] Manual slice-by-slice segmentation results. [(e)–(h)] Semiautomated full 3D segmentation results. (i) Same PET image as in images (a)–(h), but with a different grey-value transfer function, showing uptake peaks corresponding to individual lymph nodes in close proximity.
