add part of opencv

2020-01-27 20:20:56 +08:00
parent 0c4ac1d8bb
commit a71fa47620
6518 changed files with 3122580 additions and 0 deletions
--- a/Lib/opencv/sources/modules/photo/test/test_npr.cpp
+++ b/Lib/opencv/sources/modules/photo/test/test_npr.cpp
@@ -0,0 +1,140 @@
+/*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.
+//
+//
+//                           License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2013, OpenCV Foundation, 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 the copyright holders 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"
+
+namespace opencv_test { namespace {
+
+static const double numerical_precision = 100.;
+
+TEST(Photo_NPR_EdgePreserveSmoothing_RecursiveFilter, regression)
+{
+    string folder = string(cvtest::TS::ptr()->get_data_path()) + "npr/";
+    string original_path = folder + "test1.png";
+
+    Mat source = imread(original_path, IMREAD_COLOR);
+
+    ASSERT_FALSE(source.empty()) << "Could not load input image " << original_path;
+
+    Mat result;
+    edgePreservingFilter(source,result,1);
+
+    Mat reference = imread(folder + "smoothened_RF_reference.png");
+
+    double psnr = cvtest::PSNR(reference, result);
+    EXPECT_GT(psnr, 60.0);
+}
+
+TEST(Photo_NPR_EdgePreserveSmoothing_NormConvFilter, regression)
+{
+    string folder = string(cvtest::TS::ptr()->get_data_path()) + "npr/";
+    string original_path = folder + "test1.png";
+
+    Mat source = imread(original_path, IMREAD_COLOR);
+
+    ASSERT_FALSE(source.empty()) << "Could not load input image " << original_path;
+
+    Mat result;
+    edgePreservingFilter(source,result,2);
+
+    Mat reference = imread(folder + "smoothened_NCF_reference.png");
+
+    double psnr = cvtest::PSNR(reference, result);
+    EXPECT_GT(psnr, 60.0);
+}
+
+TEST(Photo_NPR_DetailEnhance, regression)
+{
+    string folder = string(cvtest::TS::ptr()->get_data_path()) + "npr/";
+    string original_path = folder + "test1.png";
+
+    Mat source = imread(original_path, IMREAD_COLOR);
+
+    ASSERT_FALSE(source.empty()) << "Could not load input image " << original_path;
+
+    Mat result;
+    detailEnhance(source,result);
+
+    Mat reference = imread(folder + "detail_enhanced_reference.png");
+    double psnr = cvtest::PSNR(reference, result);
+    EXPECT_GT(psnr, 60.0);
+}
+
+TEST(Photo_NPR_PencilSketch, regression)
+{
+    string folder = string(cvtest::TS::ptr()->get_data_path()) + "npr/";
+    string original_path = folder + "test1.png";
+
+    Mat source = imread(original_path, IMREAD_COLOR);
+
+    ASSERT_FALSE(source.empty()) << "Could not load input image " << original_path;
+
+    Mat pencil_result, color_pencil_result;
+    pencilSketch(source,pencil_result, color_pencil_result, 10, 0.1f, 0.03f);
+
+    Mat pencil_reference = imread(folder + "pencil_sketch_reference.png", 0 /* == grayscale*/);
+    double pencil_error = cvtest::norm(pencil_reference, pencil_result, NORM_L1);
+    EXPECT_LE(pencil_error, numerical_precision);
+
+    Mat color_pencil_reference = imread(folder + "color_pencil_sketch_reference.png");
+    double color_pencil_error = cvtest::norm(color_pencil_reference, color_pencil_result, NORM_L1);
+    EXPECT_LE(color_pencil_error, numerical_precision);
+}
+
+TEST(Photo_NPR_Stylization, regression)
+{
+    string folder = string(cvtest::TS::ptr()->get_data_path()) + "npr/";
+    string original_path = folder + "test1.png";
+
+    Mat source = imread(original_path, IMREAD_COLOR);
+
+    ASSERT_FALSE(source.empty()) << "Could not load input image " << original_path;
+
+    Mat result;
+    stylization(source,result);
+
+    Mat stylized_reference = imread(folder + "stylized_reference.png");
+    double stylized_error = cvtest::norm(stylized_reference, result, NORM_L1);
+    EXPECT_LE(stylized_error, numerical_precision);
+
+}
+
+}} // namespace