Add: class Utils

Remove: unnecessary vars

src/core/chars_segment.cpp

@@ -304,7 +304,7 @@ int CCharsSegment::SortRect(const vector<Rect>& vecRect, vector<Rect>& out)
         xpositions.push_back(vecRect[i].x);
 	}
 
-	float min=xpositions[0];
+    float min;
 	int minIdx=0;
     for(int i=0; i< xpositions.size(); i++)
 	{

src/include/util.h

@@ -2,8 +2,17 @@
 #ifndef __UTIL_H__
 #define __UTIL_H__
 
+namespace easypr {
+    
+    class Utils {
+    public:
+        static long getTimestamp();
+    };
+    
+}
+
 //C++的获取文件夹函数
-void getFiles(string path, vector<string>& files);
+void getFiles(std::string path, std::vector<std::string>& files);
 
 //Linux下的GetTickCount函数
 #if defined (linux) || defined (__linux__)
@@ -11,24 +20,24 @@ double GetTickCount();
 #endif
 
 //C++的spilt函数
-void SplitString(const string& s, vector<string>& v, const string& c);
+void SplitString(const std::string& s, std::vector<std::string>& v, const std::string& c);
 
 //C++的从文件路径名称到文件名称（不包括后缀）的方法
-void getFileName(const string& filepath, string& name);
+void getFileName(const std::string& filepath, std::string& name);
 
 //! levenshtein距离，用于计算两个车牌的距离
 //！EasyPR中用levenshtein距离衡量车牌识别与真实车牌的误差
 template<class T>
 unsigned int levenshtein_distance(const T &s1, const T & s2) {
 	const size_t len1 = s1.size(), len2 = s2.size();
-	vector<unsigned int> col(len2+1), prevCol(len2+1);
+	std::vector<unsigned int> col(len2+1), prevCol(len2+1);
  
 	for (unsigned int i = 0; i < prevCol.size(); i++)
 		prevCol[i] = i;
 	for (unsigned int i = 0; i < len1; i++) {
 		col[0] = i+1;
 		for (unsigned int j = 0; j < len2; j++)
-			col[j+1] = min( min(prevCol[1 + j] + 1, col[j] + 1), \
+            col[j+1] = std::min(std::min(prevCol[1 + j] + 1, col[j] + 1), \
 								prevCol[j] + (s1[i]==s2[j] ? 0 : 1) );
 		col.swap(prevCol);
 	}
@@ -40,13 +49,13 @@ unsigned int levenshtein_distance(const T &s1, const T & s2) {
 int testMain();
 
 /// accuracy_test.cpp中方法
-int acurayTest(const string&);
+int acurayTest(const std::string&);
 
 /// mc_data_prepare.cpp中方法
 void getLearnData();
-void Code2Province(const string& code, string& province);
+void Code2Province(const std::string& code, std::string& province);
 void changeFileName();
-void getPlateLicense(const string& filepath, string& plateLicense);
+void getPlateLicense(const std::string& filepath, std::string& plateLicense);
 
 /// learn_prepare.cpp中方法
 void label_data();

src/train/ann_train.cpp

@@ -232,10 +232,10 @@ void saveModel(int _predictsize, int _neurons)
     cout << "Begin to saveModelChar predictSize:" << _predictsize
     << " neurons:" << _neurons << endl;
     
-    double start = GetTickCount();
+    long start = Utils::getTimestamp();
     annTrain(TrainingData, Classes, _neurons);
-    double end = GetTickCount();
-    cout << "GetTickCount:" << (end-start)/1000 << endl;
+    long end = Utils::getTimestamp();
+    cout << "Elapse:" << (end-start)/1000 << endl;
     
     cout << "End the saveModelChar" << endl;
     

src/util/deface.cpp

@@ -74,14 +74,12 @@ int deface()
 
 Mat detectAndMaskFace(Mat& img, CascadeClassifier& cascade, double scale)
 {
-  
-    double t = 0;
     vector<Rect> faces;
     Mat gray, smallImg( cvRound (img.rows/scale), cvRound(img.cols/scale), CV_8UC1 );
     cvtColor( img, gray, COLOR_BGR2GRAY );
     resize( gray, smallImg, smallImg.size(), 0, 0, INTER_LINEAR );
     equalizeHist( smallImg, smallImg );
-    t = (double)cv::getTickCount();
+
     cascade.detectMultiScale( smallImg, faces,
                              1.1, 2, 0
                              //|CASCADE_FIND_BIGGEST_OBJECT

src/util/util.cpp

@@ -18,13 +18,42 @@
     #include <sys/stat.h>
     #include <sys/types.h>
     #include <dirent.h>
+    #include <sys/timeb.h>
 #endif
 
 #include <stdlib.h>
 #include <stdio.h>
 #include <vector>
 
+#include "../include/util.h"
+
 using namespace std;
+using namespace easypr;
+
+long
+Utils::getTimestamp()
+{
+#if defined (WIN32) || defined (_WIN32)
+    return GetTickCount();
+#endif
+    
+#if (linux) || defined (__linux__)
+    struct timespec ts;
+    
+    clock_gettime(CLOCK_MONOTONIC, &ts);
+    
+    return (ts.tv_sec * 1e3 + ts.tv_nsec / 1e6);
+#endif
+    
+#if defined (__APPLE__)
+    // there is no function provided by osx to get system tick count.
+    // but considering the purpose by using this function,
+    // we can simply return a millisecond since 1970/1/1 to calc the time elapse.
+    struct timeb tb;
+    ftime(&tb);
+    return tb.time * 1e3 + tb.millitm;
+#endif
+}
 
 #if defined (WIN32) || defined (_WIN32)
 
@@ -88,17 +117,6 @@ void getFiles(string path, vector<string>& files) {
 
 #endif
 
-#if (linux) || defined (__linux__)
-double GetTickCount() {
-    struct timespec ts;
-
-    clock_gettime(CLOCK_MONOTONIC, &ts);
-
-    return (ts.tv_sec * 1e3 + ts.tv_nsec / 1e6);
-}
-#endif
-
-
 //C++的spilt函数
 void SplitString(const string& s, vector<string>& v, const string& c)
 {