int SvmTrain( const ICDAR2011DataSet& dataset, FeatureCollection& features ) {
for (int j = 0;j < 3;j++) {
vector<int>false_idx;
false_idx.clear();
svm_train(features,dataset, false_idx);
random_shuffle(false_idx.begin(),false_idx.end());
for (int i = 0;i<100;i++) {
int idx = false_idx[i];
features.push_back(features[idx]);
}
random_shuffle(features.begin(),features.end());
}
}
