public void SSIMEinsteinTest()
{
var models = new Models(1);
var einstein = IO.LoadImageTexture(TestData.Directory + "einstein/ref.jpg");
var einstein0662 = IO.LoadImageTexture(TestData.Directory + "einstein/ssim0662.jpg");
var einstein0694 = IO.LoadImageTexture(TestData.Directory + "einstein/ssim0694.jpg");
var einstein0840 = IO.LoadImageTexture(TestData.Directory + "einstein/ssim0840.jpg");
var einstein0913 = IO.LoadImageTexture(TestData.Directory + "einstein/ssim0913.jpg");
var einstein0988 = IO.LoadImageTexture(TestData.Directory + "einstein/ssim0988.jpg");
var settings = new SSIMModel.Settings
{
ExcludeBorders = true
};
// reference values are taken from the authors matlab implementation
var stats = models.SSIM.GetStats(einstein, einstein0662, LayerMipmapRange.MostDetailed, settings);
Assert.AreEqual(0.71071f, stats.SSIM, 0.01f);
stats = models.SSIM.GetStats(einstein, einstein0694, LayerMipmapRange.MostDetailed, settings);
Assert.AreEqual(0.73680f, stats.SSIM, 0.01f);
stats = models.SSIM.GetStats(einstein, einstein0840, LayerMipmapRange.MostDetailed, settings);
Assert.AreEqual(0.86391f, stats.SSIM, 0.01f);
stats = models.SSIM.GetStats(einstein, einstein0913, LayerMipmapRange.MostDetailed, settings);
Assert.AreEqual(0.88293f, stats.SSIM, 0.01f);
stats = models.SSIM.GetStats(einstein, einstein0988, LayerMipmapRange.MostDetailed, settings);
Assert.AreEqual(0.98780f, stats.SSIM, 0.01f);
}
public void SSIMSphereTest()
{
var models = new Models(1);
var sphere = IO.LoadImageTexture(TestData.Directory + "sphere.png");
var sphereMedian = IO.LoadImageTexture(TestData.Directory + "sphere_median.png");
var sphereBlur = IO.LoadImageTexture(TestData.Directory + "sphere_blur.png");
var settings = new SSIMModel.Settings
{
ExcludeBorders = false
};
var stats = models.SSIM.GetStats(sphere, sphereMedian, LayerMipmapRange.MostDetailed, settings);
Assert.AreEqual(0.9912f, stats.SSIM, 0.01f);
stats = models.SSIM.GetStats(sphere, sphereBlur, LayerMipmapRange.MostDetailed, settings);
Assert.AreEqual(0.320421f, stats.SSIM, 0.01f);
}
