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Displaying 1-4 out of 4 total
Testable Use Cases in the Abstract State Machine Language
Found in: Asia-Pacific Conference on Quality Software
By W. Grieskamp, M. Lepper, W. Schulte, N. Tillmann
Issue Date:December 2001
pp. 0167
Use cases are a method for describing interactions between humans and/or systems. However, despite their popularity, there is no agreed formal syntax and semantics of use cases. The Abstract State Machine Language (ASML) is an executable specification lang...
Gradient Non-Linearity Correction of MR Images for Functional Radiosurgery
Found in: Computer and Information Science, 5th IEEE/ACIS International Conference on
By Tom S. Lee, Keith E. Schubert, Reinhard W. Schulte
Issue Date:July 2006
pp. 338-344
This paper discusses the correction of MR images to submillimeter accuracy needed for functional radiosurgery. MR images experience non-linear distortion due to the magnetic field, which becomes more of a problem for newer machines with larger bores and st...
Software-Based Algorithm for Modeling and Correction of Gradient Nonlinearity Distortions in Magnetic Resonance Imaging
Found in: World Congress on Engineering and Computer Science, Advances in Electrical and Electronics Engineering - IAENG Special Edition of the
By Tom S. Lee, Keith E. Schubert, Reinhard W. Schulte
Issue Date:October 2008
pp. 52-61
Functional radiosurgery is a noninvasive stereotactic technique that requires magnetic resonance image (MRI) sets with high spatial resolution. Gradient nonlinearities introduce geometric distortions that compromise the accuracy of MRI-based stereotactic l...
Orthogonal and Least-Squares Based Coordinate Transforms for Optical Alignment Verification in Radiosurgery
Found in: Information Technology: Coding and Computing, International Conference on
By Ernesto Gomez, Yasha Karant, Veysi Malkoc, Mahesh R. Neupane, Keith E. Schubert, Reinhard W. Schulte
Issue Date:April 2005
pp. 83-88
Radiosurgery is a non-invasive treatment technique applying focused radiation beams. It requires high geometric accuracy as misalignment can cause damage to the surrounding healthy tissues and loss of the therapeutic effect. One promising technique to insu...