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	You are here: Start » Filter Reference » Geometric Image Transformations » cvInvertAffineTransform
Inverts an affine transformation.
| Name | Type | Description | |
|---|---|---|---|
![]()  | 
				inM | Matrix | Original affine transformation. | 
![]()  | 
				outM | Matrix | Output reverse affine transformation. | 
Errors
This filter can throw an exception to report error. Read how to deal with errors in Error Handling.
List of possible exceptions:
| Error type | Description | 
|---|---|
| DomainError | inM must be 2x3 or 3x2 matrix in cvInvertAffineTransform. | 
Complexity Level
This filter is available on Basic Complexity Level.


