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-rw-r--r--ftnoir_tracker_aruco/ar_video_widget.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/ftnoir_tracker_aruco/ar_video_widget.cpp b/ftnoir_tracker_aruco/ar_video_widget.cpp
index 645ea3a9..c452a638 100644
--- a/ftnoir_tracker_aruco/ar_video_widget.cpp
+++ b/ftnoir_tracker_aruco/ar_video_widget.cpp
@@ -14,7 +14,7 @@ using namespace std;
void ArucoVideoWidget::update_image(const cv::Mat& frame)
{
QMutexLocker foo(&mtx);
- _frame = frame;
+ _frame = frame.clone();
}
void ArucoVideoWidget::update_and_repaint()