private void AddChannel(MagickImage image, IntPtr list, PixelChannel channel)
{
ChannelPerceptualHash instance = CreateChannelPerceptualHash(image, list, channel);
if (instance != null)
{
_Channels.Add(instance.Channel, instance);
}
}
/// <summary>
/// Returns the sum squared difference between this hash and the other hash.
/// </summary>
/// <param name="other">The <see cref="ChannelPerceptualHash"/> to get the distance of.</param>
/// <returns>The sum squared difference between this hash and the other hash.</returns>
public double SumSquaredDistance(ChannelPerceptualHash other)
{
Throw.IfNull(nameof(other), other);
double ssd = 0.0;
for (int i = 0; i < 7; i++)
{
ssd += (_srgbHuPhash[i] - other._srgbHuPhash[i]) * (_srgbHuPhash[i] - other._srgbHuPhash[i]);
ssd += (_hclpHuPhash[i] - other._hclpHuPhash[i]) * (_hclpHuPhash[i] - other._hclpHuPhash[i]);
}
return(ssd);
}
///<summary>
/// Returns the sum squared difference between this hash and the other hash.
///</summary>
///<param name="other">The ChannelPerceptualHash to get the distance of.</param>
public double SumSquaredDistance(ChannelPerceptualHash other)
{
Throw.IfNull("other", other);
double ssd = 0.0;
for (int i = 0; i < 7; i++)
{
ssd += ((_SrgbHuPhash[i] - other._SrgbHuPhash[i]) * (_SrgbHuPhash[i] - other._SrgbHuPhash[i]));
ssd += ((_HclpHuPhash[i] - other._HclpHuPhash[i]) * (_HclpHuPhash[i] - other._HclpHuPhash[i]));
}
return(ssd);
}
private void TestChannel(ChannelPerceptualHash channel, int index, double srgbHuPhash, double hclpHuPhash)
{
Assert.AreEqual(srgbHuPhash, channel.SrgbHuPhash(index), 0.0001);
Assert.AreEqual(hclpHuPhash, channel.HclpHuPhash(index), 0.0001);
}
/// <summary>
/// Returns the sum squared difference between this hash and the other hash.
/// </summary>
/// <param name="other">The <see cref="ChannelPerceptualHash"/> to get the distance of.</param>
/// <returns>The sum squared difference between this hash and the other hash.</returns>
public double SumSquaredDistance(ChannelPerceptualHash other)
{
Throw.IfNull(nameof(other), other);
double ssd = 0.0;
for (int i = 0; i < 7; i++)
{
ssd += (_SrgbHuPhash[i] - other._SrgbHuPhash[i]) * (_SrgbHuPhash[i] - other._SrgbHuPhash[i]);
ssd += (_HclpHuPhash[i] - other._HclpHuPhash[i]) * (_HclpHuPhash[i] - other._HclpHuPhash[i]);
}
return ssd;
}
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);
}
