Back to Adaptive Vision Studio website
You are here: Start » Filter Reference » Camera Calibration » DetectCalibrationGrid_Chessboard_Deprecated
DetectCalibrationGrid_Chessboard_Deprecated
Detects a chessboard calibration grid on the image, and returns calibration points where 4 chessboard squares meet.
| Name | Type | Range | Description | |
|---|---|---|---|---|
 |
inImage | Image | Input image | |
|
inRoi | Region* | Range of pixels to be processed | |
|
inBoardSize | Size | Number of checkerboard squares in X and Y dimensions. | |
|
inWorldSquareSize | Real | 0.001 -  |
Real-world length of a single chessboard square. |
|
inFastApproximate | Bool | Fast filter execution, but result is approximate. | |
 |
outImagePoints | Point2DArray? | Image coordinates of detected calibration points. | |
|
outWorldPlanePoints | Point2DArray? | World plane coordinates of detected calibration points. | |
Applications
Camera calibration, image to world coordinates transformations.
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 | Input image is too small |
| DomainError | Input image must have pixels of UInt8 type |
| DomainError | Specified board is too small, minimum size is 4x4 |
Complexity Level
This filter is available on Advanced Complexity Level.
