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svm predict not correct

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Hi all, I trying to implement a class, the purpose is tranning and detect a number. Source as following: model = SVM::create(); model->setType(SVM::C_SVC); model->setKernel(SVM::LINEAR); model->setC(7); model->setNu(SVM::NU_SVC); model->setP(0); model->setDegree(0); model->setGamma(20); model->setCoef0(0); TermCriteria term(CV_TERMCRIT_ITER +CV_TERMCRIT_EPS, 1000, 1e-6); model->setTermCriteria(term); model->train(dataTraining->getTrainData()); But predict function always return a large result. I dont know why it work not good. I attached full source code, please help us solve this issue. http://www.mediafire.com/download/l6iaiqv40yzk9ly/Number.zip Thanks & Best Regards, Thiep

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