Back to Adaptive Vision Studio website
You are here: Start » Filter Reference » Camera Calibration » DetectCalibrationGrid_Chessboard
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 | ||
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.
Examples
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 Basic Complexity Level.
Filter Group
This filter is member of DetectCalibrationGrid filter group.
See Also
- DetectCalibrationGrid_CircleBoard – Detects a fixed-size symmetric circle calibration pattern on the image.
- DetectCalibrationGrid_Circles – Detects an arbitrary size symmetric circle pattern on the image.