public bool Train(Image <Bgr, byte>[] colorImages, Image <Gray, byte>[] mono01Images, Image <Gray, byte>[] mono02Images, int[] labels) { CheckArgumentCorrectness(colorImages, mono01Images, mono02Images, labels); log.LogNewLine("start training..."); //checks on data this.FeatureExtracted = new List <IDictionary <String, Bitmap> >(); var data = extractor.ExtractDescriptors(colorImages, mono01Images, mono02Images, labels); var featuresExtractedOn = data.ConvertAll(element => element.Features).ToArray(); if (featuresExtractedOn.Length == 0) { return(false); } var adaptFeature = Util.AdaptFeature(featuresExtractedOn); classifier.Train(adaptFeature, labels); log.LogNewLine(""); log.LogNewLine("train ends.."); return(true); }