Abstract #1184
Assessment of Inter-Operator Agreement in Manual Image-Segmentation of Femoral Cartilage
Hon J. Yu 1,2 , Taiki Nozaki 1 , Yasuhito Kaneko 1 , Kayleigh Kaneshiro 1 , Ran Schwarzkopf 3 , and Hiroshi Yoshioka 1
1
Radiological Sciences, University of
California, Irvine, CA, United States,
2
Tu
& Yuen Center for Functional Onco-Imaging, University of
California, Irvine, CA, United States,
3
Orthopaedic
Surgery, University of California, Irvine, CA, United
States
Geometrical-attribute based comparison of inter-operator
manual segmentation is demonstrated using MRI of
articular cartilage. When combined with Bland-Altman
analysis rather than more commonly used regression
approach, such inter-operator assessment could provide a
more insightful comparison that is not biased by the
underlying segmentation-based quantity (e.g., T2 or T1
value)
and can be also extended to segmentation assessment
based on semi-/automatic schemes.
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