From 91587a4e7f431c29076336a5faac5fab19e2cd53 Mon Sep 17 00:00:00 2001
From: jvallve <jvallve@iri.upc.edu>
Date: Wed, 30 Mar 2022 11:01:02 +0200
Subject: [PATCH] taking cv::mat const ref in frame constructor

---
 src/common_class/frame.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/common_class/frame.h b/src/common_class/frame.h
index d68822e..936bae3 100644
--- a/src/common_class/frame.h
+++ b/src/common_class/frame.h
@@ -48,7 +48,7 @@ public:
 	/**
 	 * \brief Constructor
 	 */
-	Frame(const cv::Mat _img, const int& _id = 0, const KeyPointVector _kps = KeyPointVector(), const cv::Mat _desc = cv::Mat()) :
+	Frame(const cv::Mat& _img, const int& _id = 0, const KeyPointVector _kps = KeyPointVector(), const cv::Mat _desc = cv::Mat()) :
 		id_(_id),
 		img_(_img),
 		kps_(_kps),
-- 
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