Computer-aided Interpretation of Serial USG Cardiac Images

M. Przytulska and J.L. Kulikowski (Poland)

Keywords

image processing, cardiac image analysis, shape's timevariation analysis

Abstract

Image interpretation should be based on some assumptions following an ontological system.It is presented an approach to computer-aided interpretation of serial USG images describing the left cardiac ventricle' evolution process. The method is based on a formal model describing the class of admitted shapes' variations within the cardiac evolution period. The model has the form of functional trigonometric series with constraints imposed on their time-varying coefficients. Image interpretation consists in following a decision-tree whose nodes evoke logical tests concerning the properties of the heart contractility process under examination. The responses are based on an analysis of the values of auxiliary coefficients calculated from the extracted model coefficients.

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