Segmentation of the cardiovascular tree in 4D from PC-MRI images

University essay from Lunds universitet/Matematik LTH

Abstract: Investigating the dynamics of blood flow is essential to understanding the cardiovascular system and its pathologies. Phase Contrast Magnetic Resonance Imaging (PC-MRI) enables acquisition of 4-dimensional time resolved velocity experiments. Slice-by-slice analysis of the data is time consuming and cumbersome. In this master thesis a simple but eective algorithm for fully automatic visualization of the entire cardiovascular tree based on 4D PC-MRI velocity data. The achieved visualization portrays the cardiovascular vessel tree.The purposed segmentation algorithm is implemented in MATLAB and combined with the existing software Segment and Fourflow for visualization. Clinical data shows very promising visualization of the cardiovascular tree.

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