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cvFindCirclesGrid

Basic

Module: OpenCV

Finds the centers in the grid of circles.

Name Type Range Description
Input value inImage Image Input image
Input value inPatternWidth Integer 0 - Pattern width.
Input value inPatternHeight Integer 0 - Pattern height.
Input value inSymmetricPattern Bool Specifies whether the pattern is symmetric, ignored when using clustering.
Input value inUseClustering Bool Specifies whether to use a clustering algorithm.
Output value outFound Bool It is true if circles grid was found, false otherwise.
Output value outCenters Point2DArray Centers of found circles.

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.