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Method of segmentation of thorax organs images applied to modelling the cardiac electrical field

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3 Author(s)
Czerwinska, A. ; Inst. of Biocybern. & Biomed. Eng., Polish Acad. of Sci., Warsaw, Poland ; Doros, M. ; Kolebska, K.

The paper presents the method of segmentation of thorax organs images for construction, for each individual patient, the geometrical-conductivity model applied to the simulation of cardiac electrical field. The result of above simulation are the epicardial maps, which are determined in non-invasive way on a basis of the Body Surface Potential Maps (BSPM's) measured on the thorax surface. The elaborated method is based on edge detection techniques and deals with routinely acquired X-ray images of a chest, instead of previously applying the costly and time consuming Computed Tomography (CT), or Magnetic Resonance Imaging (MRI). There have been introduced the correction coefficients defining the relations between the average model and a model referred to the individual patient. The results of numerical experiments and their comparison for average, accurate and corrected models have been presented

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Engineering in Medicine and Biology Society, 2000. Proceedings of the 22nd Annual International Conference of the IEEE  (Volume:1 )

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