Protocol for Cerebellar Labeling

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A Protocol for Manual Labeling of the Cerebellum

John A. Bogovic, Bruno Jedynak, Rachel Rigg, Annie Du, Bennett A. Landman, Jerry L. Prince, and Sarah H. Ying


Volumetric measurements obtained from image parcellation have been instrumental in uncovering structure-function relationships. However, anatomical study of the cerebellum is a challenging task. Because of its complex structure, expert human raters have been necessary for reliable and accurate segmentation and parcellation. Such delineations are time-consuming and prohibitively expensive for large studies. Therefore, we present a three-part cerebellar parcellation system that utilizes multiple inexpert human raters that can efficiently and expediently produce results nearly on par with those of experts. This system includes a hierarchical delineation protocol, a rapid verification and evaluation process, and statistical fusion of the inexpert rater parcellations. The quality of the raters' and fused parcellations was established by examining their Dice similarity coefficient, region of interest (ROI) volumes, and the intraclass correlation coefficient of region volume. The intra-rater ICC was found to be 0.93 at the finest level of parcellation.


  1. B. A. Landman, J. Bogovic, and J. L Prince, “Efficient Anatomical Labeling by Statistical Recombination of Partially Label Datasets,” International Society for Magnetic Resonance in Medicine (ISMRM), Honolulu, Hawaii, April, 2009.
  2. B.A. Landman, J.A. Bogovic, and J.L. Prince, “Simultaneous truth and performance level estimation with incomplete, overcomplete, and ancillary data,” Proc SPIE 7623 Medical Imaging, Paper 7623-58, San Diego, 13-18 February, 2010. PMCID: PMC2917119
  3. B.A. Landman, A.J. Asman, A.G. Scoggins, J.A. Bogovic, F.Xing, and J.L. Prince, "Robust Statistical Fusion of Image Labels," IEEE Transactions on Medical Imaging, Vol.31, No.2, pp.512-22, February, 2012. doi:10.1109/TMI.2011.2172215. PMCID: PMC3262958. PMID: 22010145
  4. J.A. Bogovic, B. Jedynak, R. Rigg, A. Du, B.A. Landman, J.L. Prince, and S.H. Ying, "Approaching expert results using a hierarchical cerebellum parcellation protocol for multiple inexpert human raters," NeuroImage, Vol.64, pp.616-629, 2013. PMID:22975160.