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load a stat model from memory without creating a temporary file #534

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May 17, 2017
Merged

load a stat model from memory without creating a temporary file #534

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14 changes: 5 additions & 9 deletions openbr/core/opencvutils.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -302,18 +302,14 @@ void OpenCVUtils::storeModel(const cv::Algorithm &model, QDataStream &stream)

void OpenCVUtils::loadModel(CvStatModel &model, QDataStream &stream)
{
// Copy local file contents from stream
// Copy file contents from stream
QByteArray data;
stream >> data;

// Create local file
QTemporaryFile tempFile(QDir::tempPath()+"/model");
tempFile.open();
tempFile.write(data);
tempFile.close();

// Load MLP from local file
model.load(qPrintable(tempFile.fileName()));
// This code for reading a file from memory inspired by CvStatModel::load implementation
CvFileStorage *fs = cvOpenFileStorage(data.data(), 0, CV_STORAGE_READ | CV_STORAGE_MEMORY);
model.read(fs, (CvFileNode*) cvGetSeqElem(cvGetRootFileNode(fs)->data.seq, 0));
cvReleaseFileStorage(&fs);
}

void OpenCVUtils::loadModel(cv::Algorithm &model, QDataStream &stream)
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