public void Test_Channel()
{
/* VS2008 compiler produces different results, no clue why this is happening */
#if NET20
return;
#endif
using (MagickImage image = new MagickImage(Files.ImageMagickJPG))
{
PerceptualHash phash = image.PerceptualHash();
ChannelPerceptualHash channel = phash.GetChannel(PixelChannel.Red);
ExceptionAssert.Throws<ArgumentOutOfRangeException>(delegate ()
{
channel.HclpHuPhash(7);
});
ExceptionAssert.Throws<ArgumentOutOfRangeException>(delegate ()
{
channel.SrgbHuPhash(7);
});
#if Q8
TestChannel(channel, 0, 0.6980, 0.0993);
TestChannel(channel, 1, 3.4390, 0.6673);
TestChannel(channel, 2, 3.9123, 0.9181);
TestChannel(channel, 3, 4.2920, 2.3443);
TestChannel(channel, 4, 8.7573, 4.9037);
TestChannel(channel, 5, 8.2147, 2.8253);
TestChannel(channel, 6, 8.4394, 3.9786);
#elif Q16
TestChannel(channel, 0, 0.6979, 0.2574);
TestChannel(channel, 1, 3.4385, 1.0505);
TestChannel(channel, 2, 3.9123, 1.3839);
TestChannel(channel, 3, 4.2920, 2.8534);
TestChannel(channel, 4, 8.7555, 5.1805);
TestChannel(channel, 5, 8.2995, 3.5081);
TestChannel(channel, 6, 8.4397, 5.0770);
#elif Q16HDRI
TestChannel(channel, 0, 0.6979, 0.2932);
TestChannel(channel, 1, 3.4385, 1.1742);
TestChannel(channel, 2, 3.9123, 1.5044);
TestChannel(channel, 3, 4.2920, 3.0744);
TestChannel(channel, 4, 8.7555, 5.4449);
TestChannel(channel, 5, 8.2994, 3.7108);
TestChannel(channel, 6, 8.4397, 5.6170);
#else
#error Not implemented!
#endif
channel = phash.GetChannel(PixelChannel.Green);
#if Q8
TestChannel(channel, 0, 0.6942, -0.06010);
TestChannel(channel, 1, 3.3994, 0.30909);
TestChannel(channel, 2, 4.1171, 0.60813);
TestChannel(channel, 3, 4.4847, 0.75613);
TestChannel(channel, 4, 8.8181, 1.72254);
TestChannel(channel, 5, 6.4830, 0.94147);
TestChannel(channel, 6, 9.2141, 1.50663);
#elif Q16
TestChannel(channel, 0, 0.6942, -0.0601);
TestChannel(channel, 1, 3.3988, 0.3089);
TestChannel(channel, 2, 4.1168, 0.6083);
TestChannel(channel, 3, 4.4844, 0.7555);
TestChannel(channel, 4, 8.8174, 1.7219);
TestChannel(channel, 5, 6.4821, 0.9408);
TestChannel(channel, 6, 9.2147, 1.5058);
#elif Q16HDRI
TestChannel(channel, 0, 0.6942, -0.06014);
TestChannel(channel, 1, 3.3988, 0.30899);
TestChannel(channel, 2, 4.1168, 0.60836);
TestChannel(channel, 3, 4.4844, 0.75556);
TestChannel(channel, 4, 8.8174, 1.72197);
TestChannel(channel, 5, 6.4821, 0.94082);
TestChannel(channel, 6, 9.2147, 1.50582);
#else
#error Not implemented!
#endif
channel = phash.GetChannel(PixelChannel.Blue);
#if Q8
TestChannel(channel, 0, 0.7223, 0.6984);
TestChannel(channel, 1, 3.8298, 3.4611);
TestChannel(channel, 2, 5.1306, 4.1311);
TestChannel(channel, 3, 5.0218, 4.4867);
TestChannel(channel, 4, 10.4768, 8.8668);
TestChannel(channel, 5, 6.9454, 6.6108);
TestChannel(channel, 6, 10.1398, 9.0722);
#elif Q16
TestChannel(channel, 0, 0.7222, 0.6984);
TestChannel(channel, 1, 3.8295, 3.4608);
TestChannel(channel, 2, 5.1309, 4.1314);
TestChannel(channel, 3, 5.0213, 4.4866);
TestChannel(channel, 4, 10.4778, 8.8663);
TestChannel(channel, 5, 6.9448, 6.6093);
TestChannel(channel, 6, 10.1388, 9.0737);
#elif Q16HDRI
TestChannel(channel, 0, 0.7222, 0.6984);
TestChannel(channel, 1, 3.8295, 3.4608);
TestChannel(channel, 2, 5.1309, 4.1314);
TestChannel(channel, 3, 5.0213, 4.4866);
TestChannel(channel, 4, 10.4778, 8.8663);
TestChannel(channel, 5, 6.9448, 6.6093);
TestChannel(channel, 6, 10.1388, 9.0737);
#else
#error Not implemented!
#endif
}
}
public void Test_SumSquaredDistance()
{
/* VS2008 compiler produces different results, no clue why this is happening */
#if NET20
return;
#endif
using (MagickImage image = new MagickImage(Files.ImageMagickJPG))
{
PerceptualHash phash = image.PerceptualHash();
using (MagickImage other = new MagickImage(Files.MagickNETIconPNG))
{
PerceptualHash otherPhash = other.PerceptualHash();
#if Q8
Assert.AreEqual(248.53, phash.SumSquaredDistance(otherPhash), 0.01);
#elif Q16
Assert.AreEqual(199.53, phash.SumSquaredDistance(otherPhash), 0.01);
#elif Q16HDRI
Assert.AreEqual(183.73, phash.SumSquaredDistance(otherPhash), 0.01);
#else
#error Not implemented!
#endif
}
}
}
public void Test_ToString()
{
/* VS2008 compiler produces different results, no clue why this is happening */
#if NET20
return;
#endif
using (MagickImage image = new MagickImage(Files.ImageMagickJPG))
{
PerceptualHash phash = image.PerceptualHash();
string hash = phash.ToString();
Assert.AreEqual(210, hash.Length);
#if Q8
Assert.AreEqual("81b4488656898d38a7a96223562017620f7a26cf81a12823dd85b948bf8d86e5d89b6b81b1f884cb8a0d38af2f622728fd3f623fedeac7a78beaed8d81d8984349824c783ada81c378959b8c86a8c42b628ed61b216279c81b49887348a15f8af43622a3619d362370", hash);
#elif Q16
Assert.AreEqual("81b4488651898d38a7a8622346206c620f8a648f8290a8361086f778ca5d889098c65381b1e884c58a0d18af2d622718fd35623ffdeaeda78b3aeda581d8484344824c083ad281c37895978c86d8c425628ee61b216279b81b48887318a1628af42622a2619d162372", hash);
#elif Q16HDRI
Assert.AreEqual("81b4488651898d38a7a8622346206b620f8a728e82dde83ac4878188d4b2890f58db6b81b1e884c58a0d18af2d622718fd35623ffdeaeda78b4aeda581d8484344824c083ad281c37895978c86d8c425628ee61b216279b81b48887318a1628af42622a2619d162372", hash);
#else
#error Not implemented!
#endif
PerceptualHash clone = new PerceptualHash(hash);
Assert.AreEqual(0.0, phash.SumSquaredDistance(clone), 0.001);
}
}
public void Test_Channel()
{
using (MagickImage image = new MagickImage(Files.ImageMagickJPG))
{
PerceptualHash phash = image.PerceptualHash();
ChannelPerceptualHash channel = phash.GetChannel(PixelChannel.Red);
ExceptionAssert.Throws<ArgumentOutOfRangeException>(delegate ()
{
channel.HclpHuPhash(7);
});
ExceptionAssert.Throws<ArgumentOutOfRangeException>(delegate ()
{
channel.SrgbHuPhash(7);
});
#if Q8
TestChannel(channel, 0, 0.6980, 0.6980, 0.0959, 0.0993);
TestChannel(channel, 1, 3.4390, 3.4390, 0.6548, 0.6673);
TestChannel(channel, 2, 3.9123, 3.9123, 0.9158, 0.9181);
TestChannel(channel, 3, 4.2921, 4.2920, 2.3586, 2.3443);
TestChannel(channel, 4, 8.7567, 8.7573, 4.8847, 4.9037);
TestChannel(channel, 5, 8.2505, 8.2147, 2.8316, 2.8253);
TestChannel(channel, 6, 8.4397, 8.4394, 3.9994, 3.9786);
#elif Q16
TestChannel(channel, 0, 0.6979, 0.6979, 0.2578, 0.2574);
TestChannel(channel, 1, 3.4385, 3.4385, 1.0557, 1.0505);
TestChannel(channel, 2, 3.9123, 3.9123, 1.3807, 1.3839);
TestChannel(channel, 3, 4.2920, 4.2920, 2.8467, 2.8534);
TestChannel(channel, 4, 8.7555, 8.7555, 5.2023, 5.1805);
TestChannel(channel, 5, 8.2995, 8.2995, 3.5194, 3.5081);
TestChannel(channel, 6, 8.4397, 8.4397, 5.0468, 5.0770);
#elif Q16HDRI
TestChannel(channel, 0, 0.6979, 0.6979, 0.2927, 0.2932);
TestChannel(channel, 1, 3.4385, 3.4385, 1.1754, 1.1742);
TestChannel(channel, 2, 3.9123, 3.9123, 1.4998, 1.5044);
TestChannel(channel, 3, 4.2920, 4.2920, 3.0736, 3.0744);
TestChannel(channel, 4, 8.7556, 8.7555, 5.4465, 5.4449);
TestChannel(channel, 5, 8.2997, 8.2994, 3.7136, 3.7108);
TestChannel(channel, 6, 8.4398, 8.4397, 5.6025, 5.6170);
#else
#error Not implemented!
#endif
channel = phash.GetChannel(PixelChannel.Green);
#if Q8
TestChannel(channel, 0, 0.6942, 0.6942, -0.0601, -0.0601);
TestChannel(channel, 1, 3.3992, 3.3994, 0.3088, 0.3090);
TestChannel(channel, 2, 4.1171, 4.1171, 0.6081, 0.6081);
TestChannel(channel, 3, 4.4847, 4.4847, 0.7557, 0.7561);
TestChannel(channel, 4, 8.8179, 8.8181, 1.7217, 1.7225);
TestChannel(channel, 5, 6.4828, 6.4830, 0.9410, 0.9414);
TestChannel(channel, 6, 9.2143, 9.2141, 1.5061, 1.5066);
#elif Q16
TestChannel(channel, 0, 0.6942, 0.6942, -0.0601, -0.0601);
TestChannel(channel, 1, 3.3988, 3.3988, 0.3089, 0.3089);
TestChannel(channel, 2, 4.1168, 4.1168, 0.6083, 0.6083);
TestChannel(channel, 3, 4.4844, 4.4844, 0.7555, 0.7555);
TestChannel(channel, 4, 8.8174, 8.8174, 1.7219, 1.7219);
TestChannel(channel, 5, 6.4821, 6.4821, 0.9408, 0.9408);
TestChannel(channel, 6, 9.2147, 9.2147, 1.5058, 1.5058);
#elif Q16HDRI
TestChannel(channel, 0, 0.6942, 0.6942, -0.0601, -0.0601);
TestChannel(channel, 1, 3.3988, 3.3988, 0.3089, 0.3089);
TestChannel(channel, 2, 4.1168, 4.1168, 0.6083, 0.6083);
TestChannel(channel, 3, 4.4844, 4.4844, 0.7555, 0.7555);
TestChannel(channel, 4, 8.8174, 8.8174, 1.7219, 1.7219);
TestChannel(channel, 5, 6.4821, 6.4821, 0.9408, 0.9408);
TestChannel(channel, 6, 9.2148, 9.2147, 1.5058, 1.5058);
#else
#error Not implemented!
#endif
channel = phash.GetChannel(PixelChannel.Blue);
#if Q8
TestChannel(channel, 0, 0.7223, 0.7223, 0.6984, 0.6984);
TestChannel(channel, 1, 3.8298, 3.8298, 3.4611, 3.4611);
TestChannel(channel, 2, 5.1307, 5.1306, 4.1312, 4.1311);
TestChannel(channel, 3, 5.0216, 5.0218, 4.4867, 4.4867);
TestChannel(channel, 4, 10.4775, 10.4768, 8.8669, 8.8668);
TestChannel(channel, 5, 6.9452, 6.9454, 6.6106, 6.6108);
TestChannel(channel, 6, 10.1394, 10.1398, 9.0727, 9.0722);
#elif Q16
TestChannel(channel, 0, 0.7222, 0.7222, 0.6984, 0.6984);
TestChannel(channel, 1, 3.8295, 3.8295, 3.4608, 3.4608);
TestChannel(channel, 2, 5.1309, 5.1309, 4.1314, 4.1314);
TestChannel(channel, 3, 5.0213, 5.0213, 4.4866, 4.4866);
TestChannel(channel, 4, 10.4778, 10.4778, 8.8663, 8.8663);
TestChannel(channel, 5, 6.9448, 6.9448, 6.6093, 6.6093);
TestChannel(channel, 6, 10.1388, 10.1388, 9.0737, 9.0737);
#elif Q16HDRI
TestChannel(channel, 0, 0.7222, 0.7222, 0.6984, 0.6984);
TestChannel(channel, 1, 3.8295, 3.8295, 3.4609, 3.4608);
TestChannel(channel, 2, 5.1309, 5.1309, 4.1314, 4.1314);
TestChannel(channel, 3, 5.0213, 5.0213, 4.4866, 4.4866);
TestChannel(channel, 4, 10.4778, 10.4778, 8.8663, 8.8663);
TestChannel(channel, 5, 6.9448, 6.9448, 6.6094, 6.6093);
TestChannel(channel, 6, 10.1388, 10.1388, 9.0737, 9.0737);
#else
#error Not implemented!
#endif
}
}
public void Test_SumSquaredDistance()
{
using (MagickImage image = new MagickImage(Files.ImageMagickJPG))
{
PerceptualHash phash = image.PerceptualHash();
using (MagickImage 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(311.27, 311.27, phash.SumSquaredDistance(otherPhash), 0.02);
#else
#error Not implemented!
#endif
}
}
}
public void Test_ToString()
{
using (MagickImage image = new MagickImage(Files.ImageMagickJPG))
{
PerceptualHash phash = image.PerceptualHash();
string hash = phash.ToString();
Assert.AreEqual(210, hash.Length);
#if Q8
OpenCLValue.Assert("81b4488655898d38a7a9622356203b620f8a257faffcd823c685c228bed086e9c89c3b81b1f884c98a0d38af2f622728fd3d623fedeb01a78a7aed9381d8684342824c283ad681c378959a8c86b8c429628ee61b216279b81b49887338a1608af44622a3619d362371",
"81b4488656898d38a7a96223562017620f7a26cf81a12823dd85b948bf8d86e5d89b6b81b1f884cb8a0d38af2f622728fd3f623fedeac7a78beaed8d81d8984349824c783ada81c378959b8c86a8c42b628ed61b216279c81b49887348a15f8af43622a3619d362370", hash);
#elif Q16
OpenCLValue.Assert("81b4488651898d38a7a8622346206c620f8a64ba8293d835f086f338cb378897b8c52581b1e884c58a0d18af2d622718fd35623ffdeaeda78b3aeda581d8484344824c083ad281c37895978c86d8c425628ee61b216279b81b48887318a1628af42622a2619d162372",
"81b4488651898d38a7a8622346206c620f8a648f8290a8361086f778ca5d889098c65381b1e884c58a0d18af2d622718fd35623ffdeaeda78b3aeda581d8484344824c083ad281c37895978c86d8c425628ee61b216279b81b48887318a1628af42622a2619d162372", hash);
#elif Q16HDRI
OpenCLValue.Assert("81b4488651898d48a7a8622346206c620f8a725f82deb83a96878108d4c2891118dad981b1e884c58a0d18af2d622718fd35623ffdeaeda78b4aeda581d8484344824c083ad281c37895978c86d8c425628ee61b216279b81b48887318a1628af42622a2619d162372",
"81b4488651898d38a7a8622346206b620f8a728e82dde83ac4878188d4b2890f58db6b81b1e884c58a0d18af2d622718fd35623ffdeaeda78b4aeda581d8484344824c083ad281c37895978c86d8c425628ee61b216279b81b48887318a1628af42622a2619d162372", hash);
#else
#error Not implemented!
#endif
PerceptualHash clone = new PerceptualHash(hash);
Assert.AreEqual(0.0, phash.SumSquaredDistance(clone), 0.001);
}
}