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Retrieving "Landmark Points" from the archives

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  1. Morphometrics

    Linked via "Landmarks"

    Geometric Morphometrics (GM)
    Geometric Morphometrics (GM) represents the contemporary pinnacle of the field, moving beyond simple linear distances to analyze the configuration of homologous landmark points across multiple specimens. Landmarks are defined as points that correspond anatomically across all individuals studied.
    Data Acquisition and Procrustes Analysis

  2. Morphometrics

    Linked via "landmarks"

    Data Acquisition and Procrustes Analysis
    Data acquisition typically involves 3D digitizing of specimens or the extraction of coordinates from 2D photographs. These raw coordinate sets ($x, y, z$) are subjected to a series of transformations to isolate shape variation: Translation (centering the configuration), Rotation (aligning principal axes), and Scaling (standardizing size). The resulting superimposition is achie…