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- W2149451618 abstract "This work is motivated by the limitations of current techniques to visualize the heart as it moves under contraction and respiration during interventional procedures such as ablation of atrial fibrillation. Our long-term goal is to integrate high resolution models routinely obtained from pre-procedure imaging (here, via MRI) with the low resolution, sparse, images, along with a few scalar measurements such as ECG, which are feasible during the real-time procedure. A key ingredient to facilitate this integration is the extraction from the pre-procedure model of an individualized, low complexity, dynamic model of the moving and beating heart. This is the immediate goal we address here. Our approach stems from work on distributed parameter dynamical systems and uses a combination of truncated basis expansions to obtain the requisite four dimensional low order model. The method's potential is illustrated not only by modeling results but also by estimation of an arbitrary slice from the parameterized model." @default.
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- W2149451618 date "2011-03-01" @default.
- W2149451618 modified "2023-09-26" @default.
- W2149451618 title "Low-order 4D dynamical modeling of heart motion under respiration" @default.
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- W2149451618 doi "https://doi.org/10.1109/isbi.2011.5872645" @default.
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