Robust Modelling of Local Image Structures and Its Application to Medical Imagery

Authors:
Li Wang;Abhir Bhalerao;Roland Wilson
Affiliations:
University of Warwick, Coventry, UK;University of Warwick, Coventry, UK;University of Warwick, Coventry, UK
Venue:
ICPR '04 Proceedings of the Pattern Recognition, 17th International Conference on (ICPR'04) Volume 3 - Volume 03
Year:
2004

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Abstract

A robust modelling method for detecting and measuring isotropic, linear features and bifurcations is described and applied to analysing 2d eletrophoresis and retinal images. Features are modelled as a superposition of Gaussian functions with the Hermite expansion and estimated by a combination of a multiresolution, windowed Fourier approach followed by an EM type of spatial regression. A penalised likelihood test, the Akakie Information criteria (AIC) is used to select the best model and scale for feature segments. Results are shown by using samples on both gel and retinal images.