/// <summary>
/// Create an Extremal Region Filter for the 1st stage classifier of N&M algorithm
/// </summary>
/// <param name="classifierFileName">The file name of the classifier</param>
/// <param name="thresholdDelta">Threshold step in subsequent thresholds when extracting the component tree.</param>
/// <param name="minArea">The minimum area (% of image size) allowed for retreived ER’s.</param>
/// <param name="maxArea">The maximum area (% of image size) allowed for retreived ER’s.</param>
/// <param name="minProbability">The minimum probability P(er|character) allowed for retreived ER’s.</param>
/// <param name="nonMaxSuppression">Whenever non-maximum suppression is done over the branch probabilities.</param>
/// <param name="minProbabilityDiff">The minimum probability difference between local maxima and local minima ERs.</param>
public ERFilterNM1(
String classifierFileName,
int thresholdDelta = 1,
float minArea = 0.00025f,
float maxArea = 0.13f,
float minProbability = 0.4f,
bool nonMaxSuppression = true,
float minProbabilityDiff = 0.1f)
{
using (CvString s = new CvString(classifierFileName))
_ptr = ContribInvoke.CvERFilterNM1Create(s, thresholdDelta, minArea, maxArea, minProbability, nonMaxSuppression, minProbabilityDiff);
}
