context fixed

semseg/SemSegContextTree.cpp

@@ -633,7 +633,7 @@ void SemSegContextTree::computeIntegralImage(const vector<vector<int> > &current
 	int ysize = currentfeats[0].size();
 	
 	int channels = (int)labelmap.size();
-			
+#pragma omp parallel for
 	for(int c = 0; c < channels; c++)
 	{
 		integralImage.set(0,0,tree[currentfeats[0][0]].dist[c], c);