Switched insertion of connected components in filterSpecklesImpl

diff --git a/modules/calib3d/src/stereosgbm.cpp b/modules/calib3d/src/stereosgbm.cpp
index 8374ede..f96a6ad 100644 (file)
--- a/modules/calib3d/src/stereosgbm.cpp
+++ b/modules/calib3d/src/stereosgbm.cpp
@@ -1029,18 +1029,6 @@ void filterSpecklesImpl(cv::Mat& img, int newVal, int maxSpeckleSize, int maxDif
                         T dp = *dpp;
                         int* lpp = labels + width*p.y + p.x;
 
-                        if( p.x < width-1 && !lpp[+1] && dpp[+1] != newVal && std::abs(dp - dpp[+1]) <= maxDiff )
-                        {
-                            lpp[+1] = curlabel;
-                            *ws++ = Point2s(p.x+1, p.y);
-                        }
-
-                        if( p.x > 0 && !lpp[-1] && dpp[-1] != newVal && std::abs(dp - dpp[-1]) <= maxDiff )
-                        {
-                            lpp[-1] = curlabel;
-                            *ws++ = Point2s(p.x-1, p.y);
-                        }
-
                         if( p.y < height-1 && !lpp[+width] && dpp[+dstep] != newVal && std::abs(dp - dpp[+dstep]) <= maxDiff )
                         {
                             lpp[+width] = curlabel;
@@ -1053,6 +1041,18 @@ void filterSpecklesImpl(cv::Mat& img, int newVal, int maxSpeckleSize, int maxDif
                             *ws++ = Point2s(p.x, p.y-1);
                         }
 
+                        if( p.x < width-1 && !lpp[+1] && dpp[+1] != newVal && std::abs(dp - dpp[+1]) <= maxDiff )
+                        {
+                            lpp[+1] = curlabel;
+                            *ws++ = Point2s(p.x+1, p.y);
+                        }
+
+                        if( p.x > 0 && !lpp[-1] && dpp[-1] != newVal && std::abs(dp - dpp[-1]) <= maxDiff )
+                        {
+                            lpp[-1] = curlabel;
+                            *ws++ = Point2s(p.x-1, p.y);
+                        }
+
                         // pop most recent and propagate
                         // NB: could try least recent, maybe better convergence
                         p = *--ws;