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Problem with opencv_traincascade version OpenCV 2.4.10.0

I run this "opencv_traincascade.exe -data mid -vec midi_positif_144_with_ext.vec -bg negatif_176_with_ext.txt -numPos 100 -numNeg 224 -nStages 8 -w 144 -h 144 -featureType LBP" after that i get this "Training parameters are loaded from the parameter file in data folder! Please empty the data folder if you want to use your own set of parameters." what is mean & its cause ? image description

Problem with opencv_traincascade version OpenCV 2.4.10.0

I run this "opencv_traincascade.exe

opencv_traincascade.exe -data mid -vec midi_positif_144_with_ext.vec -bg negatif_176_with_ext.txt -numPos 100 -numNeg 224 -nStages 8 -w 144 -h 144 -featureType LBP" LBP

after that i get this "Training this

Training parameters are loaded from the parameter file in data folder!
Please empty the data folder if you want to use your own set of parameters." parameters.

what is mean & its cause ?

image description

Problem with opencv_traincascade version OpenCV 2.4.10.0

I run this

opencv_traincascade.exe -data mid -vec midi_positif_144_with_ext.vec -bg negatif_176_with_ext.txt -numPos 100 -numNeg 224 -nStages 8 -w 144 -h 144 -featureType LBP

after that i get this

Training parameters are loaded from the parameter file in data folder!
Please empty the data folder if you want to use your own set of parameters.

what is mean & its cause ?

image description