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Published in:
2015 | OriginalPaper | Chapter
3. Geometric Model Reconstruction
Authors : Jiyuan Tu, Kiao Inthavong, Kelvin Kian Loong Wong
Published in: Computational Hemodynamics – Theory, Modelling and Applications
Publisher: Springer Netherlands
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Abstract
Computational reconstruction of the human cardiovascular structures can be divided into four stages: image acquisition, data conversion, segmentation and surface reconstruction. The development of a model first begins with medical imaging of a human subject which can be obtained from various sources, yet all provide essentially similar information. This includes a 3D matrix (or series of 2D matrices) of volume elements (voxels), in which tissues and structures are distinguished from one another by differences in brightness or greyscale. Two dimensional slices contain data of pixels; while a voxel is the three dimensional analogy of a pixel where the third dimension is the spatial distance between each slice.