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IsCircleGridPresent_Deprecated

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
Input value
 inImage Image Input image
Input value
 inBoardColumns Integer 4 - Number of ranks (columns) of the chessboard
Input value
 inBoardRows Integer 4 - Number of files (rows) of the chessboard
Input value
 inSymmetricPattern Bool Board has symmetric pattern.
Output value
 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.