/// <summary>
/// Get the Star detector parameters
/// </summary>
/// <returns></returns>
public MCvStarDetectorParams GetStarDetectorParameters()
{
MCvStarDetectorParams p = new MCvStarDetectorParams();
p.MaxSize = MaxSize;
p.ResponseThreshold = ResponseThreshold;
p.LineThresholdProjected = LineThresholdProjected;
p.LineThresholdBinarized = LineThresholdBinarized;
p.SuppressNonmaxSize = SuppressNonmaxSize;
return(p);
}
/// <summary>
/// Create a star detector with the specific parameters
/// </summary>
/// <param name="maxSize">
/// Use 45 as default. Maximum size of the features. The following
/// values of the parameter are supported:
/// 4, 6, 8, 11, 12, 16, 22, 23, 32, 45, 46, 64, 90, 128</param>
/// <param name="responseThreshold">
/// Use 30 as default. Threshold for the approximated laplacian,
/// used to eliminate weak features. The larger it is,
/// the less features will be retrieved
/// </param>
/// <param name="lineThresholdProjected">
/// Use 10 as default. Another threshold for the laplacian to eliminate edges.
/// The larger the threshold, the more points you get.
/// </param>
/// <param name="lineThresholdBinarized">
/// Use 8 as default. Another threshold for the feature size to eliminate edges.
/// The larger the threshold, the more points you get.</param>
/// <param name="suppressNonmaxSize">
/// Use 5 as default.
/// </param>
public StarDetector(int maxSize, int responseThreshold, int lineThresholdProjected, int lineThresholdBinarized, int suppressNonmaxSize)
{
_maxSize = maxSize;
_responseThreshold = responseThreshold;
_lineThresholdProjected = lineThresholdProjected;
_lineThresholdBinarized = lineThresholdBinarized;
_suppressNonmaxSize = suppressNonmaxSize;
MCvStarDetectorParams p = GetStarDetectorParameters();
_featureDetectorPtr = CvStarGetFeatureDetector(ref p);
}
public static extern IntPtr cvGetStarKeypoints(
IntPtr img,
IntPtr storage,
MCvStarDetectorParams param);
private extern static IntPtr CvStarGetFeatureDetector(ref MCvStarDetectorParams detector);
