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Detects a circle board on an image. Returns the center of each circle.
Name | Type | Range | Description | |
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inImage | Image | Input image | |
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inBoardColumns | Integer | 4 - ![]() |
Number of ranks (columns) of the chessboard |
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inBoardRows | Integer | 4 - ![]() |
Number of files (rows) of the chessboard |
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inSymmetricPattern | Bool | Board has symmetric pattern. | |
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outImageGridPoints | Point2DArray? | Approximated position of grid points |
Applications
Preparation of data required for creating image undistortion map.
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.