Transgraph: interactive intensity-based 2D/3D registration of x-ray and CT data

David LaRose; John Bayouth; Takeo Kanade

doi:10.1117/12.387700

6 June 2000 Transgraph: interactive intensity-based 2D/3D registration of x-ray and CT data

David LaRose, John Bayouth, Takeo Kanade

Proceedings Volume 3979, Medical Imaging 2000: Image Processing; (2000) https://doi.org/10.1117/12.387700
Event: Medical Imaging 2000, 2000, San Diego, CA, United States

Abstract

This paper presents work towards a system for intra-operative registration of 3D CT data to 2D X-ray radiographs. The registration procedure involves iterative comparison of Digitally Reconstructed Radiographs (DRRs) with X-ray images acquired during surgery. A new data structure called a Transgraph permits rapid generation of DRRS, and greatly speeds up the registration process. The underlying data structures are described, and the registration algorithm is evaluated for application to an existing image guided radiosurgery system.

Citation Download Citation

David LaRose, John Bayouth, and Takeo Kanade "Transgraph: interactive intensity-based 2D/3D registration of x-ray and CT data", Proc. SPIE 3979, Medical Imaging 2000: Image Processing, (6 June 2000); https://doi.org/10.1117/12.387700

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