You are here: Start » Filter Reference » OpenCV » Geometric Image Transformations
Geometric Image Transformations
Select a filter from the list below.
| Icon | Name | Description / Applications | Modules | |
|---|---|---|---|---|
 |
cvGetAffineTransform | 
|
Calculates the affine transform from 3 corresponding points. Prepares matrix to be used with cvWarpAffine. |
OpenCV |
|
cvGetDefaultNewCameraMatrix |
|
Returns the default new camera matrix. |
OpenCV |
|
cvGetPerspectiveTransform |
|
Calculates the perspective transform from four pairs of corresponding points. Prepares matrix to be used with cvWarpPerspective. |
OpenCV |
|
cvGetRectSubPix |
|
Retrieves the pixel rectangle from an image with sub-pixel accuracy. |
OpenCV |
|
cvGetRotationMatrix2D |
|
Calculates the affine matrix of 2D rotation. Prepares matrix to be used with cvWarpAffine. |
OpenCV |
|
cvInitUndistortRectifyMap |
|
Computes the undistortion and rectification transformation map. |
OpenCV |
|
cvInvertAffineTransform |
|
Inverts an affine transformation. Prepares matrix to be used with cvWarpAffine. |
OpenCV |
|
cvRemap |
|
Applies a generic geometrical transformation to the image. |
OpenCV |
|
cvResize |
|
Resizes an image. |
OpenCV |
|
cvUndistort |
|
Transforms an image to compensate for lens distortion. |
OpenCV |
|
cvUndistortPoints |
|
Undistorts points. |
OpenCV |
|
cvWarpAffine |
|
Applies an affine transformation to an image. |
OpenCV |
|
cvWarpPerspective |
|
Applies a perspective transformation to an image. |
OpenCV |
|
cvWarpPolar |
|
Remaps an image to polar or semilog-polar coordinates space. |
OpenCV |
