Speeding-up the Fitting of the Model Defining the Ribs-bounded Contour

Applied Computer Systems 2017
Mykolas J. Bilinskas, Gintautas Dzemyda, Martynas Sabaliauskas

The method for analysing transversal plane images from computer tomography scans is considered in the paper. This method allows not only approximating ribs-bounded contour but also evaluating patient rotation around the vertical axis during a scan. In this method, a mathematical model describing the ribs-bounded contour was created and the problem of approximation has been solved by finding the optimal parameters of the mathematical model using least-squares-type objective function. The local search has been per-formed using local descent by quasi-Newton methods. The benefits of analytical derivatives of the function are disclosed in the paper

Keywords
Analytical models, computed tomography, least squares approximation, medical diagnostic imaging
DOI
10.1515/acss-2017-0009

Bilinskas, M., Dzemyda, G., Sabaliauskas, M. Speeding-up the Fitting of the Model Defining the Ribs-bounded Contour. Applied Computer Systems, 2017, 21, pp.66-70. ISSN 2255-8683. e-ISSN 2255-8691. Available from: doi:10.1515/acss-2017-0009

Publication language
English (en)