Three-dimensional analysis of scoliosis surgery using stereophotogrammetry

Stanley B. Jang; Kellogg S. Booth; Chris W. Reilly; Bonita J. Sawatzky; Stephen J. Tredwell

doi:10.1117/12.172068

4 April 1994 Three-dimensional analysis of scoliosis surgery using stereophotogrammetry

Stanley B. Jang, Kellogg S. Booth, Chris W. Reilly, Bonita J. Sawatzky, Stephen J. Tredwell

Proceedings Volume 2178, Visual Data Exploration and Analysis; (1994) https://doi.org/10.1117/12.172068
Event: IS&T/SPIE 1994 International Symposium on Electronic Imaging: Science and Technology, 1994, San Jose, CA, United States

Abstract

A new stereophotogrammetric analysis and 3D visualization allow accurate assessment of the scoliotic spine during instrumentation. Stereophoto pairs taken at each stage of the operation and robust statistical techniques are used to compute 3D transformations of the vertebrae between stages. These determine rotation, translation, goodness of fit, and overall spinal contour. A polygonal model of the spine using commercial 3D modeling package is used to produce an animation sequence of the transformation. The visualization have provided some important observation. Correction of the scoliosis is achieved largely through vertebral translation and coronal plane rotation, contrary to claims that large axial rotations are required. The animations provide valuable qualitative information for surgeons assessing the results of scoliotic correction.

Citation Download Citation

Stanley B. Jang, Kellogg S. Booth, Chris W. Reilly, Bonita J. Sawatzky, and Stephen J. Tredwell "Three-dimensional analysis of scoliosis surgery using stereophotogrammetry", Proc. SPIE 2178, Visual Data Exploration and Analysis, (4 April 1994); https://doi.org/10.1117/12.172068

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