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DetectCalibrationGrid_Circles_Deprecated


Module: Calibration

Detects an arbitrary size symmetric circle pattern on the image.

Applications

Camera calibration, image to world coordinates transformations.
Name Type Range Description
Input value inImage Image Input image
Input value inRoi Region* Range of pixels to be processed
Input value inCircleRadius Real 1.0 - Circle radius measured in input image pixels.
Input value inWorldCircleSpacing Real 0.0 - Real-world distance between adjacent circles centers.
Input value inCircleDetectionThreshold Real - - Detection threshold (relative to local image patch).
Input value inCirclePolarity Polarity Circle intensity with respect to background.
Output value outImagePoints Point2DArray Image coordinates of detected calibration points.
Output value outWorldPlanePoints Point2DArray World plane coordinates of detected calibration points.
Diagnostic input diagCirclesRegion Region Image after thresholding, this is the circle detector input.
Diagnostic input diagCircleCandidates Point2DArray Detected circle centers, before the grid construction step.

Complexity Level

This filter is available on Advanced Complexity Level.