From 9382f0ed39751af8520b53b6dc8ab8a8a96c2c6e Mon Sep 17 00:00:00 2001
From: DirtyMaster <etienne.gadeski@gmail.com>
Date: Mon, 31 Aug 2015 10:42:48 +0200
Subject: [PATCH] Parallelize edges detection

---
 modules/ximgproc/src/structured_edge_detection.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/modules/ximgproc/src/structured_edge_detection.cpp b/modules/ximgproc/src/structured_edge_detection.cpp
index f61bda665..69edf4e37 100644
--- a/modules/ximgproc/src/structured_edge_detection.cpp
+++ b/modules/ximgproc/src/structured_edge_detection.cpp
@@ -549,7 +549,9 @@ protected:
                 offsetY[n] = x2*features.cols*nchannels + y2*nchannels + z;
             }
             // lookup tables for mapping linear index to offset pairs
-
+        #ifdef _OPENMP
+        #pragma omp parallel for
+        #endif
         for (int i = 0; i < height; ++i)
         {
             float *regFeaturesPtr = regFeatures.ptr<float>(i*stride/shrink);
@@ -599,6 +601,9 @@ protected:
         dstM.setTo(0);
 
         float step = 2.0f * CV_SQR(stride) / CV_SQR(ipSize) / nTreesEval;
+        #ifdef _OPENMP
+        #pragma omp parallel for
+        #endif
         for (int i = 0; i < height; ++i)
         {
             int *pIndex = indexes.ptr<int>(i);