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Landmark Correspondences

The plugin Landmark Correspondences calculates a transformation between two corresponding landmark clouds and renders a transformed image. The landmarks are read from point selections over two images. The transformation is estimated by a least squares or Moving Least Squares fit for the available models.

The non-linear non-invertible transformations as estimated using the Moving Least Squares method are rendered through a mesh of triangles whose resolution is a parameter of the plugin, see Interactive Moving Least Squares for an intuitive explanation.

transform-roi-linear

Two snapshots from the ImageJ Conference 2008 registered into each other using an affine transformation as estimated from automatically extracted Feature Correspondences.

transform-roi-mls

A photograph and a cartoon registered into each other using the Moving Least Squares method and a similarity transformation as estimated from manually set landmark correspondences.