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- Q3393413 subject Q5875502.
- Q3393413 abstract "In morphometrics, landmark point or shortly landmark is a point in a shape object in which correspondences between and within the populations of the object are preserved. In other disciplines, landmarks may be known as vertices, anchor points, control points, sites, profile points, 'sampling' points, nodes, markers, fiducial markers, etc. Landmarks can be defined either manually by experts or automatically by a computer program. There are three basic types of landmarks: anatomical landmarks, mathematical landmarks or pseudo-landmarks. An anatomical landmark is a biologically-meaningful point in an organism. Usually experts define anatomical points to ensure their correspondences within the same species. Examples of anatomical landmark in shape of a skull are the eye corner, tip of the nose, jaw, etc. Anatomical landmarks determine homologous parts of an organism, which share a common ancestry.Mathematical landmarks are points in a shape that are located according to some mathematical or geometrical property, for instance, a high curvature point or an extreme point. A computer program usually determines mathematical landmarks used for an automatic pattern recognition.Pseudo-landmarks are constructed points located between anatomical or mathematical landmarks. A typical example is an equally spaced set of points between two anatomical landmarks to get more sample points from a shape. Pseudo-landmarks are useful during shape matching, when the matching process requires a large number of points.".
- Q3393413 thumbnail Nucella_lapillus_shell_landmark_points.png?width=300.
- Q3393413 wikiPageWikiLink Q1385465.
- Q3393413 wikiPageWikiLink Q1469893.
- Q3393413 wikiPageWikiLink Q168432.
- Q3393413 wikiPageWikiLink Q1851434.
- Q3393413 wikiPageWikiLink Q207961.
- Q3393413 wikiPageWikiLink Q214881.
- Q3393413 wikiPageWikiLink Q224180.
- Q3393413 wikiPageWikiLink Q2910873.
- Q3393413 wikiPageWikiLink Q362765.
- Q3393413 wikiPageWikiLink Q378859.
- Q3393413 wikiPageWikiLink Q40056.
- Q3393413 wikiPageWikiLink Q420.
- Q3393413 wikiPageWikiLink Q5875502.
- Q3393413 wikiPageWikiLink Q7239.
- Q3393413 wikiPageWikiLink Q7432.
- Q3393413 wikiPageWikiLink Q7604414.
- Q3393413 wikiPageWikiLink Q9604.
- Q3393413 comment "In morphometrics, landmark point or shortly landmark is a point in a shape object in which correspondences between and within the populations of the object are preserved. In other disciplines, landmarks may be known as vertices, anchor points, control points, sites, profile points, 'sampling' points, nodes, markers, fiducial markers, etc. Landmarks can be defined either manually by experts or automatically by a computer program.".
- Q3393413 label "Landmark point".
- Q3393413 depiction Nucella_lapillus_shell_landmark_points.png.