public void Test_SumSquaredDistance()
{
using (IMagickImage image = new MagickImage(Files.ImageMagickJPG))
{
PerceptualHash phash = image.PerceptualHash();
using (IMagickImage other = new MagickImage(Files.MagickNETIconPNG))
{
other.HasAlpha = false;
Assert.AreEqual(3, other.ChannelCount);
PerceptualHash otherPhash = other.PerceptualHash();
#if Q8
OpenCLValue.Assert(312.06, 311.71, phash.SumSquaredDistance(otherPhash), 0.01);
#elif Q16
OpenCLValue.Assert(311.40, 311.45, phash.SumSquaredDistance(otherPhash), 0.02);
#elif Q16HDRI
OpenCLValue.Assert(311.24, 311.27, phash.SumSquaredDistance(otherPhash), 0.02);
#else
#error Not implemented!
#endif
}
}
}
private void TestChannel(ChannelPerceptualHash channel, int index, double srgbHuPhashWithOpenCL, double srgbHuPhashWithoutOpenCL, double hclpHuPhashWithOpenCL, double hclpHuPhashWithoutOpenCL)
{
OpenCLValue.Assert(srgbHuPhashWithOpenCL, srgbHuPhashWithoutOpenCL, channel.SrgbHuPhash(index), 0.0001);
OpenCLValue.Assert(hclpHuPhashWithOpenCL, hclpHuPhashWithoutOpenCL, channel.HclpHuPhash(index), 0.0001);
}