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ml: add checks of empty train data

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This commit is contained in:
Alexander Alekhin
2019-09-22 11:11:08 +00:00
parent eabbe38001
commit fef7fc343e
13 changed files with 33 additions and 11 deletions
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modules/ml/src/lr.cpp
+2 -4
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@@ -142,12 +142,10 @@ Ptr<LogisticRegression> LogisticRegression::load(const String& filepath, const S
bool LogisticRegressionImpl::train(const Ptr<TrainData>& trainData, int)
{
CV_TRACE_FUNCTION_SKIP_NESTED();
CV_Assert(!trainData.empty());
// return value
bool ok = false;
if (trainData.empty()) {
return false;
}
clear();
Mat _data_i = trainData->getSamples();
Mat _labels_i = trainData->getResponses();