opencv/modules/photo/test/test_npr.cpp

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#include "test_precomp.hpp"
#include "opencv2/photo.hpp"
#include <string>

using namespace cv;
using namespace std;


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);

    imwrite(folder + "smoothened_RF.png", result);

}

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);

    imwrite(folder + "smoothened_NCF.png", result);

}

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);

    imwrite(folder + "detail_enhanced.png", result);

}

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 result,result1;
    pencilSketch(source,result,result1, 10, 0.1f, 0.03f);

    imwrite(folder + "pencil_sketch.png", result);
    imwrite(folder + "color_pencil_sketch.png", result1);

}

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);

    imwrite(folder + "stylized.png", result);

}