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This commit is contained in:
Konstantin Matskevich 2014-05-07 17:19:22 +04:00
parent 36afd4ef55
commit aa76ef9a98
3 changed files with 25 additions and 27 deletions
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4
modules/contrib/include/opencv2/contrib/contrib.hpp
View File

@ -952,10 +952,10 @@ namespace cv
virtual void setLabelsInfo(const std::map<int, string>& additionalInfo) = 0;
// Gets string information by label
virtual string getLabelInfo(const int label) = 0;
virtual string getLabelInfo(int label) const = 0;
// Gets labels by string
virtual vector<int> getLabelsByString(const string str) = 0;
virtual vector<int> getLabelsByString(const string& str) = 0;
};
CV_EXPORTS_W Ptr<FaceRecognizer> createEigenFaceRecognizer(int num_components = 0, double threshold = DBL_MAX);

46
modules/contrib/src/facerec.cpp
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@ -21,9 +21,9 @@
struct LabelInfo
{
LabelInfo():label(-1), value("") {}
LabelInfo(int _label, std::string _value): label(_label), value(_value) {}
std::string value;
LabelInfo(int _label, const std::string &_value): label(_label), value(_value) {}
int label;
std::string value;
void write(cv::FileStorage& fs) const
{
fs << "{" << "label" << label << "value" << value << "}";
@ -33,7 +33,11 @@ struct LabelInfo
label = (int)node["label"];
value = (std::string)node["value"];
}
friend std::ostream& operator<<(std::ostream& out, const LabelInfo& info);
std::ostream& operator<<(std::ostream& out)
{
out << "{ label = " << label << ", " << "value = " << value << "}";
return out;
}
};
static void write(cv::FileStorage& fs, const std::string&, const LabelInfo& x)
@ -49,12 +53,6 @@ static void read(const cv::FileNode& node, LabelInfo& x, const LabelInfo& defaul
x.read(node);
}
std::ostream& operator<<(std::ostream& out, const LabelInfo& info)
{
out << "{ label = " << info.label << ", " << "value = " << info.value << "}";
return out;
}
namespace cv
{
@ -188,10 +186,10 @@ public:
void setLabelsInfo(const std::map<int,string>& labelsInfo);
// Gets additional information by label
string getLabelInfo(const int label);
string getLabelInfo(int label) const;
// Gets labels by string
std::vector<int> getLabelsByString(const string str);
std::vector<int> getLabelsByString(const string& str);
AlgorithmInfo* info() const;
};
@ -253,10 +251,10 @@ public:
void setLabelsInfo(const std::map<int,string>& labelsInfo);
// Gets additional information by label
string getLabelInfo(const int label);
string getLabelInfo(int label) const;
// Gets labels by string
std::vector<int> getLabelsByString(const string str);
std::vector<int> getLabelsByString(const string& str);
AlgorithmInfo* info() const;
};
@ -348,10 +346,10 @@ public:
void setLabelsInfo(const std::map<int,string>& labelsInfo);
// Gets additional information by label
string getLabelInfo(const int label);
string getLabelInfo(int label) const;
// Gets labels by string
std::vector<int> getLabelsByString(const string str);
std::vector<int> getLabelsByString(const string& str);
// Getter functions.
int neighbors() const { return _neighbors; }
@ -522,14 +520,14 @@ void Eigenfaces::setLabelsInfo(const std::map<int,string>& labelsInfo)
_labelsInfo = labelsInfo;
}
string Eigenfaces::getLabelInfo(const int label)
string Eigenfaces::getLabelInfo(int label) const
{
if(_labelsInfo.count(label) > 0)
return _labelsInfo[label];
return _labelsInfo.at(label);
return "";
}
vector<int> Eigenfaces::getLabelsByString(const string str)
vector<int> Eigenfaces::getLabelsByString(const string& str)
{
vector<int> labels;
for(std::map<int,string>::const_iterator it = _labelsInfo.begin(); it != _labelsInfo.end(); it++)
@ -683,14 +681,14 @@ void Fisherfaces::setLabelsInfo(const std::map<int,string>& labelsInfo)
_labelsInfo = labelsInfo;
}
string Fisherfaces::getLabelInfo(const int label)
string Fisherfaces::getLabelInfo(int label) const
{
if(_labelsInfo.count(label) > 0)
return _labelsInfo[label];
return _labelsInfo.at(label);
return "";
}
vector<int> Fisherfaces::getLabelsByString(const string str)
vector<int> Fisherfaces::getLabelsByString(const string& str)
{
vector<int> labels;
for(std::map<int,string>::const_iterator it = _labelsInfo.begin(); it != _labelsInfo.end(); it++)
@ -920,14 +918,14 @@ void LBPH::setLabelsInfo(const std::map<int,string>& labelsInfo)
_labelsInfo = labelsInfo;
}
string LBPH::getLabelInfo(const int label)
string LBPH::getLabelInfo(int label) const
{
if(_labelsInfo.count(label) > 0)
return _labelsInfo[label];
return _labelsInfo.at(label);
return "";
}
vector<int> LBPH::getLabelsByString(const string str)
vector<int> LBPH::getLabelsByString(const string& str)
{
vector<int> labels;
for(std::map<int,string>::const_iterator it = _labelsInfo.begin(); it != _labelsInfo.end(); it++)

2
samples/cpp/facerec_demo.cpp
View File

@ -130,7 +130,7 @@ int main(int argc, const char *argv[]) {
//
string result_message = format("Predicted class = %d / Actual class = %d.", predictedLabel, testLabel);
cout << result_message << endl;
if( (predictedLabel == testLabel) && (model->getLabelInfo(predictedLabel) != "") )
if( (predictedLabel == testLabel) && !model->getLabelInfo(predictedLabel).empty() )
cout << format("%d-th label's info: %s", predictedLabel, model->getLabelInfo(predictedLabel).c_str()) << endl;
// Sometimes you'll need to get/set internal model data,
// which isn't exposed by the public cv::FaceRecognizer.