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Medical Image Computing and Computer-Assisted Intervention - MICCAI 2003

Volume 2878 of the series Lecture Notes in Computer Science pp 391-398

Exploring RSA Ultimate Accuracy by Using Computer Synthetic Images

  • Xunhua YuanAffiliated withImaging Research, Robarts Research InstituteOrthopaedics Division, London Health Sciences Centre
  • , Terry M. PetersAffiliated withImaging Research, Robarts Research Institute
  • , Robert B. BourneAffiliated withOrthopaedics Division, London Health Sciences Centre
  • , David W. HoldsworthAffiliated withImaging Research, Robarts Research Institute

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Abstract

In this study, the ultimate accuracy of an RadioStereometric Analysis system was explored by computer synthetic images. Comparing computer synthetic images with joint phantom images, the correlation between RSA accuracy and image noise was revealed. Our study indicates that RSA has ultimate accuracies of 0 (± 1) μm, 0 (± 1) μm and 0 (± 4) μm along the X-, Y- and Z-axis, respectively, far more accurate than the phantom images with accuracies of 5 (± 38) μm, 6 (± 44) μm and 13 (± 76) μm.