public KNearest(MainForm form)
        {
            this.form = form;

            trainData = cxcore.CvCreateMat(train_samples * classes, size * size, cxtypes.CV_32FC1);
            trainClasses = cxcore.CvCreateMat(train_samples * classes, 1, cxtypes.CV_32FC1);

            K = int.Parse(form.txtK.Text);

            p = new preprocessing(form);
        }
        public KNearest(MainForm form)
        {
            this.form = form;

            trainData    = cxcore.CvCreateMat(train_samples * classes, size * size, cxtypes.CV_32FC1);
            trainClasses = cxcore.CvCreateMat(train_samples * classes, 1, cxtypes.CV_32FC1);

            K = int.Parse(form.txtK.Text);

            p = new preprocessing(form);
        }