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Line 1: '''Active Shape Models''' (ASMs) are statistical models of the [[shape]] of objects which iteratively deform to fit to an example of the object in a new image. The shapes are constrained by the PDM (* [[Point Distribution Model]]) Statistical Shape Model to vary only in ways seen in a training set of labelled examples. The shape of an object is represented by a set of points (controlled by the shape model). The ASM algorithm aims to match the model to a new image. It works by alternating the following steps: * Look in the image around each point for a better position for that point

Active shape model: Difference between revisions