Publication: Geometric morphometrics assessments of sternum by age.
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Date
2016
Authors
Salimin, Nurul Fadhilah Alisa Putri
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Abstract
Geometric Morphometries (GMM) is one common approach to shape analysis that utilizes the coordinates of landmarks to record the relative positions of morphological points, boundary curves and surfaces as the basis of shape quantification. It is usually accomplished through a series of steps that can be called the Procrustes Paradigm. Landmark-Based GMM uses sets of two- or three-dimensional coordinates of biological landmarks. In this retrospective project, a total of 70 CT-scan images samples (35 male and 35 female) were selected for the geometric morphometries assessment of sternum by age and age groups (7 groups). This project was conducted by employing several software which include Picture Archiving and Communication System (PACS), Medical Imaging Interaction Toolkit (MITK), MeshLab, Institute for Data Analysis and Visualization (1DAV) Landmark Software, Notepad++. and MorphoJ. The results of this project suggest that GMM assessment of sternum by age is more reliable rather than by age group. However, the level of significance is not really high at only at 45.28% and the Principal Component Analysis (PCA) on the samples did not show any positive correlation between shapes of sternum and the age or age group. Thus, it can be concluded that GMM assessment is not compatible for the classification of sternum shape based on age or age group.