# affine transformation

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• noun

## Words related to affine transformation

### (mathematics) a transformation that is a combination of single transformations such as translation or rotation or reflection on an axis

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Ferrari (2007) shows that all contractive similarities are invertible and their inverse functions are also affine transformations.
Transformations applied in augmentation process are illustrated in Figure 2, where the first row represents resulting images obtained by applying affine transformation on the single image; the second row represents images obtained from perspective transformation against the input image and the last row visualizes the simple rotation of the input image.
This is done by using SIFT matching and J-Linkage clustering [7] by adjusting some settings like clustering threshold, number of affine transformations, and so on (such settings will be described in Section 3).
In Section IV, we study invariants of the generalized moments under affine transformations.
Table 1 shows the segmentation performance (median of AED distances in pixels) as a function of the number of PCA components of the affine transformation used in the statistical connection model.
Define an affine transformation of the plane and apply it to the set.
The traditional image registration is based on classic features such as the Harris corner and the scaled-invariant feature transform (SIFT) corner, which are both weak to affine transformations.
Since angles, and then changes in the curvature, are invariant to affine transformations, it can be demonstrated that point [[?
2) remains invariant under affine transformations, so f satisfies (2.
With the aid of affine transformations that do not affect the degree of a cubature formula, one can accommodate any parallelogram, ellipse, or triangle.
Lastly to prepare for upcoming developments, Mazzola postulates that the composition of two musically meaningful affine transformations itself has musical meaning.
CLIM provides a number of basic facilities: a geometry model, affine transformations, text (including multiple fonts), graphics (including a sophisticated color inking model), an extended I/O stream model that includes event management, support for a pointing device (such as a mouse), and window management.
The procedure relies on mathematical operations called affine transformations.
Subsequent chapters feature coverage of linear transformations from Rn to Rm, the geometry of linear and affine transformations, with an exploration of their effect on arclength, area, and volume, least squares fits, and pseudoinverses.
The invariance of the percolation threshold with respect to affine transformations in the common direction of the axis of cylinders is approximately satisfied on simulations.
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