+#ifndef _METRICS_H_
+#define _METRICS_H_
+
+#include <string>
+#include <opencv2/opencv.hpp>
+
+namespace suanzi {
+
+class Metrics
+{
+public:
+ Metrics(const std::string& cl_path = "");
+ ~Metrics(){}
+ long int MaxCost = 100000;
+ const static int MaxPatch = 5;
+
+private:
+ cv::HOGDescriptor descriptor;
+};
+
+class Patch
+{
+public:
+ Patch(){};
+ ~Patch(){};
+};
+
+}
+
+#endif /* _METRICS_H_ */