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You add below lines:

int distanceOfPoints(cv::Point point1, cv::Point point2) { int result = (int) sqrt(pow(point1.x - point2.x, 2.0) + pow(point1.y - point2.y, 2.0)); return result; } int* hw(cv::Point p1,cv::Point p2,cv::Point p3,cv::Point p4) { int a[2]; if(distanceOfPoints(p1,p2)<distanceofpoints(p3,p4)) a[0]="distanceOfPoints(p3,p4);" else="" a[0]="distanceOfPoints(p1,p2);" if(distanceofpoints(p2,p3)<distanceofpoints(p4,p1))="" a[1]="distanceOfPoints(p4,p1);" else="" a[1]="distanceOfPoints(p2,p3);</p">

return a;

}

int main(){ ...............

cv::Point P1 = contours_poly[0][0]; cv::Point P2 = contours_poly[0][1]; cv::Point P3 = contours_poly[0][2]; cv::Point P4 = contours_poly[0][3]; cv::Mat transformed = cv::Mat::zeros(hw(P1,P2,P3,P4)[1], hw(P1,P2,P3,P4)[0], CV_8UC3);

cv::Mat transmtx = getPerspectiveTransform(quad_pts, squre_pts); warpPerspective(src, transformed, transmtx, transformed.size()); ................ }

You add below lines:

int distanceOfPoints(cv::Point point1, cv::Point point2) { int result = (int) sqrt(pow(point1.x - point2.x, 2.0) + pow(point1.y - point2.y, 2.0)); return result; } }

int* hw(cv::Point p1,cv::Point p2,cv::Point p3,cv::Point p4) { int ~~a[2];~~ a[2];

if(distanceOfPoints(p1,p2)<distanceOfPoints(p3,p4))
 if(distanceOfPoints(p1,p2)<distanceofpoints(p3,p4)) a[0]="distanceOfPoints(p3,p4);" else="" a[0]="distanceOfPoints(p1,p2);" if(distanceofpoints(p2,p3)<distanceofpoints(p4,p1))="" a[1]="distanceOfPoints(p4,p1);" else="" a[1]="distanceOfPoints(p2,p3);&lt;/p">
a[0]=distanceOfPoints(p3,p4);
 
else
    a[0]=distanceOfPoints(p1,p2);

if(distanceOfPoints(p2,p3)<distanceOfPoints(p4,p1))
    a[1]=distanceOfPoints(p4,p1);

else
    a[1]=distanceOfPoints(p2,p3);

return a;
 }
 int main(){
...............
 cv::Point P1 = contours_poly[0][0];
cv::Point P2 = contours_poly[0][1];
cv::Point P3 = contours_poly[0][2];
cv::Point P4 = contours_poly[0][3];
cv::Mat transformed = cv::Mat::zeros(hw(P1,P2,P3,P4)[1], hw(P1,P2,P3,P4)[0], CV_8UC3);
 cv::Mat transmtx = getPerspectiveTransform(quad_pts, squre_pts);
warpPerspective(src, transformed, transmtx, transformed.size());
................
}

          3    No.3 Revision 
      updated 
        2014-11-04 07:51:55 -0600
     
 
 
  
 
 
 
  You add below lines:
 int distanceOfPoints(cv::Point point1, cv::Point point2)
{
{
 int result = (int) sqrt(pow(point1.x - point2.x, 2.0) + pow(point1.y - point2.y, 2.0));
2.0));
 return result;
result;
 }
 int* hw(cv::Point p1,cv::Point p2,cv::Point p3,cv::Point p4)
p4)
 {
    int a[2];
 if(distanceOfPoints(p1,p2)<distanceOfPoints(p3,p4))
    a[0]=distanceOfPoints(p3,p4);

else
    a[0]=distanceOfPoints(p1,p2);

if(distanceOfPoints(p2,p3)<distanceOfPoints(p4,p1))
    a[1]=distanceOfPoints(p4,p1);

else
    a[1]=distanceOfPoints(p2,p3);

return a;
 }
 int main(){
...............
 cv::Point P1 = contours_poly[0][0];
cv::Point P2 = contours_poly[0][1];
cv::Point P3 = contours_poly[0][2];
cv::Point P4 = contours_poly[0][3];
cv::Mat transformed = cv::Mat::zeros(hw(P1,P2,P3,P4)[1], hw(P1,P2,P3,P4)[0], CV_8UC3);
 cv::Mat transmtx = getPerspectiveTransform(quad_pts, squre_pts);
warpPerspective(src, transformed, transmtx, transformed.size());
................
}
 
 
          4    No.4 Revision 
      updated 
        2014-11-05 07:47:24 -0600
     
    StevenPuttemans  
 20029  ●16 ●82 ●207  
        http://stevenputtemans...
         
 
 
 
  
 
 
 
  You add below lines:
 
int distanceOfPoints(cv::Point point1, cv::Point point2)
{{
  int result = (int) sqrt(pow(point1.x - point2.x, 2.0) + pow(point1.y - point2.y, 2.0));2.0));
 return result;
 return result;}
  }
 int* hw(cv::Point p1,cv::Point p2,cv::Point p3,cv::Point p4)p4)
  {
    int a[2];a[2];
   if(distanceOfPoints(p1,p2)<distanceOfPoints(p3,p4))
     a[0]=distanceOfPoints(p3,p4);

 else
     a[0]=distanceOfPoints(p1,p2);

 if(distanceOfPoints(p2,p3)<distanceOfPoints(p4,p1))
     a[1]=distanceOfPoints(p4,p1);

 else
     a[1]=distanceOfPoints(p2,p3);

 return a;
}
 }
 int main(){
..............................
  cv::Point P1 = contours_poly[0][0];
cv::Point P2 = contours_poly[0][1];
cv::Point P3 = contours_poly[0][2];
cv::Point P4 = contours_poly[0][3];
cv::Mat transformed = cv::Mat::zeros(hw(P1,P2,P3,P4)[1], hw(P1,P2,P3,P4)[0], CV_8UC3);CV_8UC3);
  cv::Mat transmtx = getPerspectiveTransform(quad_pts, squre_pts);
warpPerspective(src, transformed, transmtx, transformed.size());
................
}}