/// <summary> /// Create a BRISK keypoint detector and descriptor extractor. /// </summary> /// <param name="thresh">Feature parameters.</param> /// <param name="octaves">The number of octave layers.</param> /// <param name="patternScale">Pattern scale</param> public Brisk(int thresh = 30, int octaves = 3, float patternScale = 1.0f) { _ptr = Features2DInvoke.cveBriskCreate(thresh, octaves, patternScale, ref _feature2D, ref _sharedPtr); }