potok/opencv
1
0
Fork 0
mirror of https://github.com/opencv/opencv.git synced 2026-07-30 15:53:03 +04:00
Code Packages Releases Wiki Activity

optimize: replace push_back with emplace_back in core loops

Browse Source 
Replaces wasteful temporary object construction with in-place construction using emplace_back. Covers hot paths in objdetect, imgproc, and stitching modules.
This commit is contained in:
AdwaithBatchu
2025-12-19 11:56:20 +05:30
parent b157553e55
commit 5f0bd387db
5 changed files with 50 additions and 50 deletions
Download Patch File Download Diff File Expand all files Collapse all files
modules/stitching/src/seam_finders.cpp
+5 -5
View File
@@ -338,8 +338,8 @@ void DpSeamFinder::findComponents()
states_.push_back(SECOND);
floodFill(labels_, Point(x, y), ++ncomps_);
tls_.push_back(Point(x, y));
brs_.push_back(Point(x+1, y+1));
tls_.emplace_back(x,y);
brs_.emplace_back(x+1, y+1);
contours_.push_back(std::vector<Point>());
}
@@ -356,7 +356,7 @@ void DpSeamFinder::findComponents()
if ((x == 0 || labels_(y, x-1) != l) || (x == unionSize_.width-1 || labels_(y, x+1) != l) ||
(y == 0 || labels_(y-1, x) != l) || (y == unionSize_.height-1 || labels_(y+1, x) != l))
{
contours_[ci].push_back(Point(x, y));
contours_[ci].emplace_back(x,y);
}
}
}
@@ -517,7 +517,7 @@ void DpSeamFinder::resolveConflicts(
if ((x == 0 || labels_(y, x-1) != l[i]) || (x == unionSize_.width-1 || labels_(y, x+1) != l[i]) ||
(y == 0 || labels_(y-1, x) != l[i]) || (y == unionSize_.height-1 || labels_(y+1, x) != l[i]))
{
contours_[c[i]].push_back(Point(x, y));
contours_[c[i]].emplace_back(x,y);
}
}
}
@@ -637,7 +637,7 @@ bool DpSeamFinder::getSeamTips(int comp1, int comp2, Point &p1, Point &p2)
(x < unionSize_.width-1 && labels_(y, x+1) == l2) ||
(y < unionSize_.height-1 && labels_(y+1, x) == l2)))
{
specialPoints.push_back(Point(x, y));
specialPoints.emplace_back(x,y);
}
}