From: Alexander Alekhin <alexander.a.alekhin@gmail.com>
Date: Sun, 16 Dec 2018 06:25:39 +0000 (+0000)
Subject: stitching: fix l_gains data type from Eigen solver (float / double)
X-Git-Tag: accepted/tizen/6.0/unified/20201030.111113~1^2~370^2~6^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5736bf5dd524d28b1f80696662b725d196084d58;p=platform%2Fupstream%2Fopencv.git

stitching: fix l_gains data type from Eigen solver (float / double)
---

diff --git a/modules/stitching/src/exposure_compensate.cpp b/modules/stitching/src/exposure_compensate.cpp
index 2488684..8ce2dda 100644
--- a/modules/stitching/src/exposure_compensate.cpp
+++ b/modules/stitching/src/exposure_compensate.cpp
@@ -180,10 +180,13 @@ void GainCompensator::feed(const std::vector<Point> &corners, const std::vector<
 #endif
     eigen_x = solver.solve(eigen_b);
 
-    eigen2cv(eigen_x, l_gains);
+    Mat_<float> l_gains_float;
+    eigen2cv(eigen_x, l_gains_float);
+    l_gains_float.convertTo(l_gains, CV_64FC1);
 #else
     solve(A, b, l_gains);
 #endif
+    CV_CheckTypeEQ(l_gains.type(), CV_64FC1, "");
 
     gains_.create(num_images, 1);
     for (int i = 0, j = 0; i < num_images; ++i)