normalised added DTW algo

iPDC/inc/Dynamic_time_warping.h

@@ -1,4 +1,3 @@
 
 /*pavan changes*/
-
 void DTWdistance(struct data_frame *df,gboolean *result);

iPDC/inc/Kmeans.h

@@ -2,15 +2,9 @@
 #include <gtk/gtk.h>
 // intial variables
 
-unsigned long long int count_A=500;
+
-unsigned long long int count_B=500;
-unsigned long long int count_C=500;
-long double A=50;
-long double B=49.5;
-long double C=50.5;
 
 //function declaration
-gboolean kmeans(struct data_frame *df,unsigned long long int *count_A,unsigned long long int *count_B,
+gboolean kmeans(struct data_frame *df);
-unsigned long long int *count_C,long double *A,long double *B,long double *C);
 
 /*Pavan Changes*/

iPDC/src/Dynamic_time_warping.c

@@ -1,4 +1,3 @@
-
 #include "parser.h"
 #include <stdio.h>
 #include <math.h>
@@ -11,11 +10,11 @@ int count_track1=0;
 int count_track2=0;
 int flag=0;
 
-void DTWdistance(struct data_frame *df,gboolean *result)
+void DTWdistance(struct data_frame *df,int *result)
 {
     float CURR_FREQ = 50 + to_intconvertor(df->dpmu[0]->freq)*1e-3;
-    //printf("count1: %d\ncount2: %d\n",count_track1,count_track2);
+    // printf("count1: %d\ncount2: %d\n",count_track1,count_track2);
-    //printf("curr_freq: %f\n",CURR_FREQ);
+    // printf("curr_freq: %f\n",CURR_FREQ);
     if(count_track1==0)
     {
         if(flag==0)
@@ -66,18 +65,26 @@ void DTWdistance(struct data_frame *df,gboolean *result)
             for(int j=1;j<501;j++)
             {
                 float cost=fabs(freq1[i-1]-freq2[j-1]);
-                //printf("cost: %f",cost);
+                // printf("cost: %f",cost);
                 DTW[i][j]=cost+fmin(DTW[i][j-1],fmin(DTW[i-1][j],DTW[i-1][j-1]));
-                //printf(" DTW[%d][%d]: %f\n",i,j,DTW[i][j]);
+                // printf(" DTW[%d][%d]: %f\n",i,j,DTW[i][j]);
             }
         }
 
         printf("DTWdistance: %f\n",DTW[500][500]);
-        if(DTW[500][500]>=35) *result=false;
+        if(DTW[500][500]>=35)
-        else *result=true;
+        {
-        free(freq1);
+            free(freq2);
-        free(freq2);
+            *result=0;
+        }             
+        else
+        {
+            long double *temp=freq1;
+            freq1=freq2;
+            free(temp);
+            *result=1;
+        }
         free(DTW);
-        count_track1=0;
+        count_track1=1;
     }
 }

iPDC/src/Kmeans.c

@@ -2,32 +2,56 @@
 
 #include "parser.h"
 #include <stdlib.h>
-c
+#include <stdio.h>
+#include <gtk/gtk.h>
 #include <math.h>
 
 FILE *fp;
+/*intial weights  weights for each points */
+unsigned long long int count_A = 1000;
+unsigned long long int count_B = 1000;
+unsigned long long int count_C = 1000;
 
-gboolean kmeans(struct data_frame *df,unsigned long long int *count_A,unsigned long long int *count_B,
+/*In India frequency ranges from 49.5 to 50.2 Hz*/
-unsigned long long int *count_C,long double *A,long double *B,long double *C)
+long double std_dev = 0.6454972244;
+long double A = 0; // for point A=50
+long double B = -1.5491933394; // for point B=49
+long double C = 0.7745966692; // for point C=50.5
+long double mean = 50;
+unsigned long long int count = 3000;
+
+gboolean kmeans(struct data_frame *df)
 {
-    float CURR_FREQ = 50 + to_intconvertor(df->dpmu[0]->freq)*1e-3;
+    long double CURR_FREQ = 50 + to_intconvertor(df->dpmu[0]->freq) * 1e-3;
-    long double diff_A = fabs(*A-CURR_FREQ);
+    long double CURR_FREQ_temp=CURR_FREQ;
-    long double diff_B = fabs(*B-CURR_FREQ);
+    CURR_FREQ = (CURR_FREQ - mean) / std_dev;
-    long double diff_C = fabs(*C-CURR_FREQ);
+    long double diff_A = fabs(A - CURR_FREQ);
-    //fp = fopen("points.csv","a");
+    long double diff_B = fabs(B - CURR_FREQ);
-    //printf("A: %Lf, B: %Lf, C: %Lf\n",*A,*B,*C);
+    long double diff_C = fabs(C - CURR_FREQ);
-    //fprintf(fp,"%Lf, %Lf, %Lf\n",*A,*B,*C);
+    fp = fopen("points.csv","a");
-    //fclose(fp);
+    printf("A: %Lf, B: %Lf, C: %Lf\n",A,B,C);
-    if(diff_A <= diff_B && diff_A <= diff_C){
+    fprintf(fp,"%Lf, %Lf, %Lf\n",A,B,C);
-        *A = ((*count_A*(*A))+CURR_FREQ)/(++*count_A);
+    fclose(fp);
+
+    /*Updating std_dev and mean*/
+    printf("std_dev: %Lf, mean: %Lf\n",std_dev,mean);
+    mean= ((mean*count)+CURR_FREQ_temp)/(++count);
+    std_dev=(((std_dev*std_dev)*(count-1))+(CURR_FREQ*std_dev*CURR_FREQ*std_dev))/count;
+    std_dev=sqrt(std_dev);
+
+    if (diff_A <= diff_B && diff_A <= diff_C)
+    {
+        A = ((count_A * (A)) + CURR_FREQ) / (++count_A);
         return TRUE;
     }
-    else if(diff_B < diff_C){
+    else if (diff_B < diff_C)
-        *B = ((*count_B*(*B))+CURR_FREQ)/(++*count_B);
+    {
+        B = ((count_B * (B)) + CURR_FREQ) / (++count_B);
         return FALSE;
     }
-    else{
+    else
-        *C = ((*count_C*(*C))+CURR_FREQ)/(++*count_C);
+    {
+        C = ((count_C * (C)) + CURR_FREQ) / (++count_C);
         return FALSE;
     }
 }

iPDC/src/map_vis.c

@@ -1,5 +1,6 @@
 #include <stdlib.h>
 #include <stdio.h>
+#include <gtk/gtk.h>
 #include "align_sort.h"
 #include "map_vis.h"
 #include "parser.h"
@@ -8,7 +9,9 @@
 #include "Kmeans.h"
 #include "Dynamic_time_warping.h"
 
-gboolean value = true;
+/*used for DTW*/
+int result=1;
+/*used for DTW*/
 
 gboolean update_images(gpointer* pars){
     myParameters* parameters = (myParameters*) pars;
@@ -19,9 +22,8 @@ gboolean update_images(gpointer* pars){
     int freq = to_intconvertor(df->dpmu[0]->freq);
 	//gboolean green =attack_detect(df,&START,&COUNT,&SUM_OF_FREQUENCY);
     //printf("map_vis A: %Lf, B: %Lf,C: %Lf\n",A,B,C);
-    //gboolean green = kmeans(df,&count_A,&count_B,&count_C,&A,&B,&C);
+    gboolean green = kmeans(df);
-    DTWdistance(df,&value);
+    //DTWdistance(df,&result);
-    gboolean green=value;
     if(parameters->g_last_image != 0){
         osm_gps_map_image_remove(parameters->util_map, parameters->g_last_image);
     }