I'm writting apk, which recognise hand sign.
It's my function to train KNearest model. I'm using 5 images 200x200 px.
public void train(){
Mat trainData = new Mat(0, sizex * sizey, CvType.CV_32FC1); // 0 x 40 000
Mat trainClasses = new Mat(train_samples, 1, CvType.CV_32FC1); // 5 x 1
float[] myint = new float[train_samples];
Mat img = new Mat();
for (int i = 0; i
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