Fix a litte bug on matrix subtraction

2011-05-03 10:56:20 +00:00
parent c21a783646
commit dff9c0703f
1 changed files with 3 additions and 1 deletions
--- a/samples/cpp/brief_match_test.cpp
+++ b/samples/cpp/brief_match_test.cpp
@@ -126,9 +126,11 @@ int main(int ac, char ** av)
  imshow("matches - popcount - outliers removed", outimg);

  Mat warped;
+  Mat diff;
  warpPerspective(im2, warped, H, im1.size());
  imshow("warped", warped);
-  imshow("diff", im1 - warped);
+  absdiff(im1,warped,diff);
+  imshow("diff", diff);
  waitKey();
  return 0;
 }