public void ComputeDigest(int seed)
{
const int W = 128;
const int H = 128;
var d = new byte[W * H];
var r = new Random(seed);
r.NextBytes(d);
var head = ImagePhash.ComputeDigest(new ByteImage(W, H, d));
var v0_3_6 = V0_3_6.ImagePhash.ComputeDigest(new V0_3_6.Imaging.ByteImage(W, H, d));
var cc = ImagePhash.GetCrossCorrelation(head.Coefficients, v0_3_6.Coefficients);
_Output.WriteLine($"ImagePhash.GetCrossCorrelation: {cc}");
Assert.Equal(1, cc, 3);
}
public void GetCrossCorrelationTest(int seed)
{
_Output.WriteLine("Vector<float>.Count: {0}", Vector <float> .Count);
_Output.WriteLine("Vector.IsHardwareAccelerated: {0}", Vector.IsHardwareAccelerated);
var a = new byte[40];
var b = new byte[40];
for (var i = 0; i < 100; i++)
{
var r = new Random(seed);
r.NextBytes(a);
r.NextBytes(b);
var expected = GetCrossCorrelationSimple(a, b, 40);
var actual = ImagePhash.GetCrossCorrelation(a, b);
Assert.Equal(expected, actual, 5);
}
}