Method and system for selecting the number of gaussian modes...

Details Method and system for selecting the number of gaussian modes... Method and system for selecting the number of gaussian modes...

2009-02-26

2011-11-08

Punnoose, Roy M (Department: 2886)

Image analysis

Applications

Biomedical applications

Reexamination Certificate

active

08055051

ABSTRACT:
A method for automatically selecting a number of Gaussian modes for segmentation of a cardiac magnetic resonance (MR) image, including: identifying a left ventricle (LV) in a cardiac MR image slice; quantifying the LV blood pool; obtaining a mask for the LV blood pool; generating a ring mask for a myocardium of the LV from the LV blood pool mask; fitting three Gaussian modes to a histogram of the image slice to obtain a corresponding homogeneity image for the myocardium; computing a quality of fitting (QOF) measure for the three Gaussian modes based on the corresponding homogeneity image; repeating the fitting and computing steps for four and five Gaussian modes; and selecting the homogeneity image of the number of Gaussian modes with the largest QOF measure as the homogeneity image for processing.

REFERENCES:
patent: 7079674 (2006-07-01), Paragios et al.
patent: 2003/0053667 (2003-03-01), Paragios et al.

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