opencv/modules/photo/test/test_hdr.cpp
2013-07-04 16:51:39 +04:00

112 lines
4.2 KiB
C++

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#include "test_precomp.hpp"
#include <string>
#include <algorithm>
using namespace cv;
using namespace std;
TEST(Photo_MakeHdr, regression)
{
string folder = string(cvtest::TS::ptr()->get_data_path()) + "hdr/";
vector<string>file_names(3);
file_names[0] = folder + "grand_canal_1_45.jpg";
file_names[1] = folder + "grand_canal_1_180.jpg";
file_names[2] = folder + "grand_canal_1_750.jpg";
vector<Mat>images(3);
for(int i = 0; i < 3; i++) {
images[i] = imread(file_names[i]);
ASSERT_FALSE(images[i].empty()) << "Could not load input image " << file_names[i];
}
string expected_path = folder + "grand_canal_rle.hdr";
Mat expected = imread(expected_path, -1);
ASSERT_FALSE(expected.empty()) << "Could not load input image " << expected_path;
vector<float>times(3);
times[0] = 1.0f/45.0f;
times[1] = 1.0f/180.0f;
times[2] = 1.0f/750.0f;
Mat result;
makeHDR(images, times, result);
double max = 1.0;
minMaxLoc(abs(result - expected), NULL, &max);
ASSERT_TRUE(max < 0.01);
}
TEST(Photo_Tonemap, regression)
{
string folder = string(cvtest::TS::ptr()->get_data_path()) + "hdr/";
vector<string>file_names(TONEMAP_COUNT);
file_names[TONEMAP_DRAGO] = folder + "grand_canal_drago_2.2.png";
file_names[TONEMAP_REINHARD] = folder + "grand_canal_reinhard_2.2.png";
file_names[TONEMAP_DURAND] = folder + "grand_canal_durand_2.2.png";
file_names[TONEMAP_LINEAR] = folder + "grand_canal_linear_map_2.2.png";
vector<Mat>images(TONEMAP_COUNT);
for(int i = 0; i < TONEMAP_COUNT; i++) {
images[i] = imread(file_names[i]);
ASSERT_FALSE(images[i].empty()) << "Could not load input image " << file_names[i];
}
string hdr_file_name = folder + "grand_canal_rle.hdr";
Mat img = imread(hdr_file_name, -1);
ASSERT_FALSE(img.empty()) << "Could not load input image " << hdr_file_name;
vector<float> param(1);
param[0] = 2.2f;
for(int i = TONEMAP_DURAND; i < TONEMAP_COUNT; i++) {
Mat result;
tonemap(img, result, static_cast<tonemap_algorithms>(i), param);
result.convertTo(result, CV_8UC3, 255);
double max = 1.0;
minMaxLoc(abs(result - images[i]), NULL, &max);
ASSERT_FALSE(max > 0);
}
}