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	You are here: Start » Filter Reference » OpenCV » Camera Calibration And 3D Reconstruction » cvInitCameraMatrix2D
| Module: | OpenCV | 
|---|
Finds the initial camera matrix from the 3D-2D point correspondences.
| Name | Type | Range | Description | |
|---|---|---|---|---|
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				inObjectPoints | Point3DArrayArray | ||
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				inImagePoints | Point2DArrayArray | ||
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				inImageWidth | Integer | 1 - ![]()  | 
				|
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				inImageHeight | Integer | 1 - ![]()  | 
				|
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				inAspectRatio | Real | ||
![]()  | 
				outCameraMatrix | Matrix | Intrinsic camera matrix (no distortions) | |
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 | inImagePoints has different number of elements than inObjectPoints in cvInitCameraMatrix2D. | 
| DomainError | inImagePoints is empty in cvInitCameraMatrix2D. | 
| DomainError | inObjectPoints is empty in cvInitCameraMatrix2D. | 
| DomainError | One of arrays in inImagePoints or inObjectPoints has different number of values in a corresponding array in cvInitCameraMatrix2D. | 
| DomainError | One of arrays in inImagePoints or inObjectPoints is empty in cvInitCameraMatrix2D. | 
Complexity Level
This filter is available on Basic Complexity Level.

 Basic

