public void There_is_no_distance_between_identical_hashes()
{
var image = Image.FromFile("Images/ah.jpg");
var algo = new BasicAverage();
var hash1 = algo.Generate(image);
Assert.AreEqual(0, (int)hash1.CompareTo(hash1));
}
public void There_is_no_distance_between_identical_hashes()
{
var image = Image.FromFile("Images/ah.jpg");
var algo = new BasicAverage();
var hash1 = algo.Generate(image);
Assert.AreEqual(0, (int)hash1.CompareTo(hash1));
}
public void There_is_a_distance_between_different_hashes()
{
var algo = new BasicAverage();
var image1 = Image.FromFile("Images/ah.jpg");
var hash1 = algo.Generate(image1);
var image2 = Image.FromFile("Images/ah-doctored.jpg");
var hash2 = algo.Generate(image2);
Assert.AreEqual(6, (int)hash1.CompareTo(hash2));
}
public void There_is_a_distance_between_different_hashes()
{
var algo = new BasicAverage();
var image1 = Image.FromFile("Images/ah.jpg");
var hash1 = algo.Generate(image1);
var image2 = Image.FromFile("Images/ah-doctored.jpg");
var hash2 = algo.Generate(image2);
Assert.AreEqual(6, (int)hash1.CompareTo(hash2));
}
public void Can_create_basic_average_perceptual_hash()
{
var image = Image.FromFile("Images/ah.jpg");
var algo = new BasicAverage();
var hash = algo.Generate(image);
Assert.IsNotNull(hash);
Assert.IsNotNull(hash.Image);
Assert.AreEqual(new Size(8, 8), hash.Image.Size);
algo.Crushed.Save("Images/ah-crushed.jpg", ImageFormat.Jpeg);
algo.Gray.Save("Images/ah-gray.jpg", ImageFormat.Jpeg);
hash.Image.Save("Images/ah-hash.jpg", ImageFormat.Jpeg);
}
public void Can_create_basic_average_perceptual_hash()
{
var image = Image.FromFile("Images/ah.jpg");
var algo = new BasicAverage();
var hash = algo.Generate(image);
Assert.IsNotNull(hash);
Assert.IsNotNull(hash.Image);
Assert.AreEqual(new Size(8, 8), hash.Image.Size);
algo.Crushed.Save("Images/ah-crushed.jpg", ImageFormat.Jpeg);
algo.Gray.Save("Images/ah-gray.jpg", ImageFormat.Jpeg);
hash.Image.Save("Images/ah-hash.jpg", ImageFormat.Jpeg);
}
