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Data can be displayed in analog or digital way, numerically or graphically. 7 Image reconstruction algorithms The principle of image reconstruction in all forms of tomography is that an object can be reproduced exactly from a set of its projections taken from different angles. In the last two decades, several algorithms have been developed, they can be considered as methods to approximate the inverse Radon transform. They can be implemented for different tomography reconstruction modalities. It is noteworthy that these methods are not all equivalent.

684-689. (2009) Automatric segmentation of intra-abdominal and subcutaneous adipose tissue in 3D whole Mouse MRI. 554-560. ; Pineda, A. (2005). Iterative Decomposition of Water and Fat with Echo Asymmetry and Least-Squares Estimation (IDEAL): Application With Fast Spin-Echo Imaging. Magnetic Resonance in Medicine,2005,Vol. 636– 644. (2002). Abdominal adiposity and insulin resistance in obese men. 282, pp. 657-663. (2007). Total and Intra-abdominal Fat Distribution in Preadolescents and Adolescents: Measurement with MR Imaging.

9 shows, a distance map is displayed for the inside the body area with the intensity corresponding to the distance. For example, the bright pixel near the centroid denotes a long distance to the body contour. The minimum distance parameter describes how close the outer edge of the fat region is to the body surface and is defined as the minimum value of the distance map in an individual region. This parameter is important for distinguishing the subcutaneous from visceral fat. 3 Parameter 3: Maximum distance Similar to minimum distance, maximum distance is used to express the location feature that describes how far the fat tissues are away from the body surface.

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