From 1a71406f8441abd96566f6be61c51dd6ac3ece76 Mon Sep 17 00:00:00 2001
From: matlabbe <matlabbe@gmail.com>
Date: Tue, 23 Apr 2019 16:15:50 -0400
Subject: [PATCH] Fixed Windows build (std::back_inserter not found)

---
 corelib/src/opencv/ORBextractor.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/corelib/src/opencv/ORBextractor.cc b/corelib/src/opencv/ORBextractor.cc
index a643b33c..5826a7a5 100644
--- a/corelib/src/opencv/ORBextractor.cc
+++ b/corelib/src/opencv/ORBextractor.cc
@@ -67,6 +67,9 @@
 #include <opencv2/features2d/features2d.hpp>
 #include <opencv2/imgproc/imgproc.hpp>
 #include <vector>
+#include <algorithm>
+#include <iterator>
+#include <set>
 
 #include "ORBextractor.h"