How to use

checkValidity

method

in

boofcv.abst.fiducial.calib.ConfigChessboard

/**
 * Detector for chessboard targets.  Squares can be partially outside, but inside corners must be entirely
 * inside the image.
 *
 * @see DetectChessboardFiducial
 *
 * @param config Configuration for chessboard detector
 * @return Square grid target detector.
 */
public static CalibrationDetectorChessboard chessboard(ConfigChessboard config ) {
  config.checkValidity();
  return new CalibrationDetectorChessboard(config);
}