From 4c77068196ffda575c100956f2a7fd910b0a4efa Mon Sep 17 00:00:00 2001
From: AleksandrPanov <alexander.panov@xperience.ai>
Date: Wed, 24 Nov 2021 10:22:41 +0300
Subject: [PATCH] add camera parameters for the tutorial

---
 .../tutorials/aruco_detection/aruco_detection.markdown     | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/modules/aruco/tutorials/aruco_detection/aruco_detection.markdown b/modules/aruco/tutorials/aruco_detection/aruco_detection.markdown
index 741ee3c77aa..51f292b758d 100644
--- a/modules/aruco/tutorials/aruco_detection/aruco_detection.markdown
+++ b/modules/aruco/tutorials/aruco_detection/aruco_detection.markdown
@@ -267,6 +267,13 @@ The aruco module provides a function to estimate the poses of all the detected m
 
 @code{.cpp}
 cv::Mat cameraMatrix, distCoeffs;
+// To work with examples from the tutorial, you can use these camera parameters:
+// Size imgSize = inputImage.size();
+// cameraMatrix = Mat::eye(3, 3, CV_64FC1);
+// cameraMatrix.at<double>(0, 0) = cameraMatrix.at<double>(1, 1) = 650;
+// cameraMatrix.at<double>(0, 2) = imgSize.width / 2;
+// cameraMatrix.at<double>(1, 2) = imgSize.height / 2;
+// distCoeffs = Mat(5, 1, CV_64FC1, Scalar::all(0));
 ...
 std::vector<cv::Vec3d> rvecs, tvecs;
 cv::aruco::estimatePoseSingleMarkers(markerCorners, 0.05, cameraMatrix, distCoeffs, rvecs, tvecs);