Exemplo n.º 1
0
 void read_from_yaml(FileNode node, cv::Vec2f& v)
 {
   CvMat* c_m;
   c_m = (CvMat*)node.readObj();
   ntk_throw_exception_if(!c_m, std::string("Could not read field ") + node.name() + " from yml file.");
   cv::Mat1f m (c_m);
   ntk_assert(m.cols == 2, "Bad vector.");
   std::copy(m.ptr<float>(), m.ptr<float>()+2, &v[0]);
 }
Exemplo n.º 2
0
 void read_from_yaml(FileNode node, cv::Rect& r)
 {
   CvMat* c_m;
   c_m = (CvMat*)node.readObj();
   ntk_throw_exception_if(!c_m, std::string("Could not read field ") + node.name() + " from yml file.");
   cv::Mat1f m (c_m);
   ntk_assert(m.cols == 4, "Bad Rect.");
   r = cv::Rect(m(0,0), m(0,1), m(0,2), m(0,3));
 }
Exemplo n.º 3
0
void Object::read(const FileNode& node) {
    if (node.isNamed())
        name_ = node.name();
    else
        cout << "Warning : no name for this object." << endl;
    node["number_views"] >> number_views_;
    node["features_type"] >> features_type_;
    views_.resize(number_views_);
    for ( int i = 0; i < number_views_; ++i ) {
        ostringstream view_stream;
        view_stream << "view_" << i;
        node[view_stream.str()] >> views_[i];
    }
}
Exemplo n.º 4
0
void loadDescriptorsFromOpenCVFilestorage( Mat& descriptors, string& filePath ) 
{
	VerboseOutput::println(string("train"), "Loading descriptors from OpenCV Filestorage");

	try
	{

		VerboseOutput::println(string("train"), "...open filestorage");
		FileStorage fs1(filePath, FileStorage::READ);
		VerboseOutput::println(string("train"), "...filestorage opened");

		try
		{	
			VerboseOutput::println(string("train"), "...read root node");
			FileNode features1 = fs1.root();

			VerboseOutput::println(string("train"), "...find SIFTComparison node");
			for( FileNodeIterator it = features1.begin() ; it != features1.end(); ++it )
			{
				FileNode node = *it;

				if (node.name().compare(SIFTComparison::TASK_NAME) == 0)
				{
					read(node["descriptors"], descriptors);
				}
			}

		}
		catch (exception& e)
		{
			stringstream ss;
			ss << "*** WARNING: failed to load descriptors from OpenCV FileStorage: " << e.what();
			VerboseOutput::println(string("train"), ss.str() );
		}

		if (fs1.isOpened())
		{
			fs1.release();
		}
	}
	catch(exception& e)
	{
		stringstream ss;
		ss << "*** WARNING: failed to close Filestorage: " << e.what();
		VerboseOutput::println(string("train"), ss.str() );
	}
}