--- /dev/null
+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+// By downloading, copying, installing or using the software you agree to this license.
+// If you do not agree to this license, do not download, install,
+// copy or use the software.
+//
+//
+// Intel License Agreement
+// For Open Source Computer Vision Library
+//
+// Copyright (C) 2000, Intel Corporation, all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+// * Redistribution's of source code must retain the above copyright notice,
+// this list of conditions and the following disclaimer.
+//
+// * Redistribution's in binary form must reproduce the above copyright notice,
+// this list of conditions and the following disclaimer in the documentation
+// and/or other materials provided with the distribution.
+//
+// * The name of Intel Corporation may not be used to endorse or promote products
+// derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#include "test_precomp.hpp"
+
+using namespace cv;
+using namespace std;
+
+TEST(MultiBandBlender, CanBlendTwoImages)
+{
+ Mat image1 = imread(string(cvtest::TS::ptr()->get_data_path()) + "cv/shared/baboon.jpg");
+ Mat image2 = imread(string(cvtest::TS::ptr()->get_data_path()) + "cv/shared/lena.jpg");
+ EXPECT_EQ(image1.rows, image2.rows); EXPECT_EQ(image1.cols, image2.cols);
+
+ Mat image1s, image2s;
+ image1.convertTo(image1s, CV_16S);
+ image2.convertTo(image2s, CV_16S);
+
+ Mat mask1(image1s.size(), CV_8U);
+ mask1(Rect(0, 0, mask1.cols/2, mask1.rows)).setTo(255);
+ mask1(Rect(mask1.cols/2, 0, mask1.cols - mask1.cols/2, mask1.rows)).setTo(0);
+
+ Mat mask2(image2s.size(), CV_8U);
+ mask2(Rect(0, 0, mask2.cols/2, mask2.rows)).setTo(0);
+ mask2(Rect(mask2.cols/2, 0, mask2.cols - mask2.cols/2, mask2.rows)).setTo(255);
+
+ detail::MultiBandBlender blender(false, 5);
+
+ blender.prepare(Rect(0, 0, max(image1s.cols, image2s.cols), max(image1s.rows, image2s.rows)));
+ blender.feed(image1s, mask1, Point(0,0));
+ blender.feed(image2s, mask2, Point(0,0));
+
+ Mat result_s, result_mask;
+ blender.blend(result_s, result_mask);
+ Mat result; result_s.convertTo(result, CV_8U);
+
+ Mat expected = imread(string(cvtest::TS::ptr()->get_data_path()) + "stitching/baboon_lena.png");
+ double error = norm(expected, result, NORM_L2) / expected.size().area();
+ ASSERT_LT(error, 1e-3);
+}