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Basic| Module: | Calibration |
|---|
Detects a circle board on an image. Returns the center of each circle.
Applications
Preparation of data required for creating image undistortion map.
| Name | Type | Range | Description | |
|---|---|---|---|---|
 |
inImage | Image | Input image | |
|
inBoardColumns | Integer | 4 -  |
Number of ranks (columns) of the chessboard |
|
inBoardRows | Integer | 4 - |
Number of files (rows) of the chessboard |
|
inSymmetricPattern | Bool | Board has symmetric pattern. | |
 |
outImageGridPoints | Point2DArray? | Approximated position of grid points | |
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 | Empty image in cvFindCirclesGrid. |
| DomainError | inImage must have pixels of UInt8 type in cvFindCirclesGrid. |
Complexity Level
This filter is available on Basic Complexity Level.
