public void CountActiveColumnsPerStep()
{
int activeCount = 0;
Func <int, bool> input = (i) => i % 2 == 0;
var sp = new SpatialPooler(
inputCount: 100,
columnCount: 100,
desiredLocalActivity: 10,
minOverlap: 2,
maxSynapsesPerColumn: 20
);
for (var i = 0; i < 1000; i++)
{
activeCount = 0;
sp.Feed(input);
foreach (var b in sp)
{
if (b)
{
activeCount++;
}
}
Console.WriteLine("Step #{0}: {1}", i, activeCount);
}
}
public void CanStepTwiceWithHalfActiveInput()
{
Func<int, bool> input = (i) => i % 2 == 0;
Action<int, bool> output = (i, b) => { Console.WriteLine(b); };
var sp = new SpatialPooler(
inputCount: 100,
columnCount: 100,
desiredLocalActivity: 10,
minOverlap: 2,
maxSynapsesPerColumn: 20
);
sp.Feed(input);
foreach (var b in sp) Console.WriteLine(b);
sp.Feed(input);
foreach (var b in sp) Console.WriteLine(b);
}
public void StepWithHalfActiveInputShouldGenerateAtleastOneActiveOutputColumn()
{
Func <int, bool> input = (i) => i % 2 == 0;
bool isActive = false;
var sp = new SpatialPooler(
inputCount: 100,
columnCount: 100,
desiredLocalActivity: 10,
minOverlap: 2,
maxSynapsesPerColumn: 20
);
for (var i = 0; i < 1000; i++)
{
sp.Feed(input);
foreach (var b in sp)
{
if (b)
{
isActive = true;
}
}
}
Assert.IsTrue(isActive);
}
public void CanStepWithoutActiveInput()
{
Func<int, bool> input = (i) => false;
var sp = new SpatialPooler(
inputCount: 100,
columnCount: 100,
desiredLocalActivity: 10,
minOverlap: 10,
maxSynapsesPerColumn: 20
);
sp.Feed(input);
}
public void CanStepWithAllActiveInput()
{
Func <int, bool> input = (i) => true;
var sp = new SpatialPooler(
inputCount: 100,
columnCount: 100,
desiredLocalActivity: 10,
minOverlap: 10,
maxSynapsesPerColumn: 20
);
sp.Feed(input);
}
public void CanStepTwiceWithHalfActiveInput()
{
Func <int, bool> input = (i) => i % 2 == 0;
Action <int, bool> output = (i, b) => { Console.WriteLine(b); };
var sp = new SpatialPooler(
inputCount: 100,
columnCount: 100,
desiredLocalActivity: 10,
minOverlap: 2,
maxSynapsesPerColumn: 20
);
sp.Feed(input);
foreach (var b in sp)
{
Console.WriteLine(b);
}
sp.Feed(input);
foreach (var b in sp)
{
Console.WriteLine(b);
}
}
public void CountActiveColumnsPerStepWithMovingInput()
{
var sp = new SpatialPooler(
inputCount: 100,
columnCount: 100,
desiredLocalActivity: 5,
minOverlap: 2,
maxSynapsesPerColumn: 20
);
var values = new bool[100];
for (var i = 0; i < 100; i++)
{
values[i] = i < 5;
}
for (var t = 0; t < 10000; t++)
{
var activeCount = 0;
Func <int, bool> input = (i) => values[i];
sp.Feed(input);
foreach (var b in sp)
{
if (b)
{
activeCount++;
}
}
Console.Write("Input data: " + String.Join("", values.Select(v => v ? "1" : "0")));
Console.WriteLine("\tStep #{0}: {2} (Count: {1})", t, activeCount, String.Join("", sp.Select(v => v ? "1" : "0")));
var source = values.ToArray();
Array.Copy(source, 1, values, 0, 99);
values[values.Length - 1] = source[0];
}
}
public void CountActiveColumnsPerStepWithMovingInput()
{
var sp = new SpatialPooler(
inputCount: 100,
columnCount: 100,
desiredLocalActivity: 5,
minOverlap: 2,
maxSynapsesPerColumn: 20
);
var values = new bool[100];
for (var i = 0; i < 100; i++)
values[i] = i < 5;
for (var t = 0; t < 10000; t++)
{
var activeCount = 0;
Func<int, bool> input = (i) => values[i];
sp.Feed(input);
foreach (var b in sp)
if (b)
activeCount++;
Console.Write("Input data: " + String.Join("", values.Select(v => v ? "1" : "0")));
Console.WriteLine("\tStep #{0}: {2} (Count: {1})", t, activeCount, String.Join("", sp.Select(v => v ? "1" : "0")));
var source = values.ToArray();
Array.Copy(source, 1, values, 0, 99);
values[values.Length - 1] = source[0];
}
}
public void CountActiveColumnsPerStep()
{
int activeCount = 0;
Func<int, bool> input = (i) => i % 2 == 0;
var sp = new SpatialPooler(
inputCount: 100,
columnCount: 100,
desiredLocalActivity: 10,
minOverlap: 2,
maxSynapsesPerColumn: 20
);
for (var i = 0; i < 1000; i++)
{
activeCount = 0;
sp.Feed(input);
foreach (var b in sp)
if (b)
activeCount++;
Console.WriteLine("Step #{0}: {1}", i, activeCount);
}
}
public void StepWithHalfActiveInputShouldGenerateAtleastOneActiveOutputColumn()
{
Func<int, bool> input = (i) => i % 2 == 0;
bool isActive = false;
var sp = new SpatialPooler(
inputCount: 100,
columnCount: 100,
desiredLocalActivity: 10,
minOverlap: 2,
maxSynapsesPerColumn: 20
);
for (var i = 0; i < 1000; i++)
{
sp.Feed(input);
foreach (var b in sp) if (b) isActive = true;
}
Assert.IsTrue(isActive);
}
public void TestData()
{
var trainingData = ReadTestData("../../../../Data/train_sensor.txt", "../../../../Data/train_category.txt");
var columnCount = 300;
var sp = new SpatialPooler(
inputCount: 32 * 50,
columnCount: columnCount,
desiredLocalActivity: 10,
minOverlap: 2,
maxSynapsesPerColumn: 20
);
var cl = new AlsingClassifier();
foreach (var frame in trainingData)
{
sp.Feed(BitMapper.Map(frame.Columns, -0.6f, 2.1f, 50));
}
using (var log = new StreamWriter("../../../../Data/train_result_spatial.txt", false, Encoding.ASCII))
foreach (var frame in trainingData)
{
sp.Feed(BitMapper.Map(frame.Columns, -0.6f, 2.1f, 50));
cl.Train(frame.Category.ToString(), sp.ToArray());
log.WriteLine(String.Join(" ", sp.Select(v => v ? '1' : '0')));
}
sp.Learning = false;
var testData = ReadTestData("../../../../Data/test_sensor.txt", "../../../../Data/test_category.txt");
using (var log = new StreamWriter("../../../../Data/test_result_spatial.txt", false, Encoding.ASCII))
foreach (var frame in testData)
{
var activeCount = 0;
Func <int, bool> input = BitMapper.Map(frame.Columns, -0.6f, 2.1f, 50);
sp.Feed(input);
foreach (var b in sp)
{
if (b)
{
activeCount++;
}
}
log.WriteLine(String.Join(" ", sp.Select(v => v ? '1' : '0')));
var matches = cl.FindMatches(sp.ToArray())
.OrderByDescending(c => c.Strength)
.Take(2)
.ToArray();
/*for (var i = 0; i < 32 * 50; i++)
* Console.Write(input(i) ? "1" : "0");
* Console.WriteLine();
*
* Console.WriteLine(String.Join("", outputData.Select(v => v ? "1" : "0")));*/
Console.WriteLine("Expected: {0} Matched: {1} ({3:p}) Runner Up: {2} ({4:p}) Activity Count: {5}", frame.Category, matches[0].Identifier, matches[1].Identifier, matches[0].Strength, matches[1].Strength, activeCount);
}
}
public void CountActiveColumnsPerStepWithMovingInput()
{
var sp = new SpatialPooler(
inputCount: 100,
columnCount: 100,
desiredLocalActivity: 5,
minOverlap: 2,
maxSynapsesPerColumn: 20
);
var cl = new AlsingClassifier();
var values = new bool[100];
for (var i = 0; i < 100; i++)
{
values[i] = i < 5;
}
for (var t = 0; t < 10000; t++)
{
Func <int, bool> input = (i) => values[i];
sp.Feed(input);
values.Shift();
}
sp.Learning = false;
for (var t = 0; t < 100; t++)
{
Func <int, bool> input = (i) => values[i];
sp.Feed(input);
cl.Train((t / 10).ToString(), sp.ToArray());
values.Shift();
}
for (var i = 0; i < 100; i++)
{
values[i] = i < 6;
}
var rnd = new Random();
for (var t = 0; t < 1000; t++)
{
var activeCount = 0;
var noiseInput = (bool[])values.Clone();
for (var i = 0; i < 100; i++)
{
if (rnd.NextDouble() < 0.05)
{
noiseInput[i] = !noiseInput[i];
}
}
Func <int, bool> input = (i) => noiseInput[i];
sp.Feed(input);
foreach (var b in sp)
{
if (b)
{
activeCount++;
}
}
var matches = cl.FindMatches(sp.ToArray())
.OrderByDescending(c => c.Strength)
.Select(m => m.Identifier + ": " + Math.Round(m.Strength * 100, 2) + "%");
Console.Write(String.Join("", sp.Select(v => v ? "1" : "0")) + "\t");
Console.WriteLine(String.Join("\t", matches));
values.Shift();
}
}
public void TestData()
{
var trainingData = ReadTestData("../../../../Data/train_sensor.txt", "../../../../Data/train_category.txt");
var columnCount = 300;
var sp = new SpatialPooler(
inputCount: 32 * 50,
columnCount: columnCount,
desiredLocalActivity: 10,
minOverlap: 2,
maxSynapsesPerColumn: 20
);
var cl = new AlsingClassifier();
foreach (var frame in trainingData)
sp.Feed(BitMapper.Map(frame.Columns, -0.6f, 2.1f, 50));
using (var log = new StreamWriter("../../../../Data/train_result_spatial.txt", false, Encoding.ASCII))
foreach (var frame in trainingData)
{
sp.Feed(BitMapper.Map(frame.Columns, -0.6f, 2.1f, 50));
cl.Train(frame.Category.ToString(), sp.ToArray());
log.WriteLine(String.Join(" ", sp.Select(v => v ? '1' : '0')));
}
sp.Learning = false;
var testData = ReadTestData("../../../../Data/test_sensor.txt", "../../../../Data/test_category.txt");
using (var log = new StreamWriter("../../../../Data/test_result_spatial.txt", false, Encoding.ASCII))
foreach (var frame in testData)
{
var activeCount = 0;
Func<int, bool> input = BitMapper.Map(frame.Columns, -0.6f, 2.1f, 50);
sp.Feed(input);
foreach (var b in sp)
if (b)
activeCount++;
log.WriteLine(String.Join(" ", sp.Select(v => v ? '1' : '0')));
var matches = cl.FindMatches(sp.ToArray())
.OrderByDescending(c => c.Strength)
.Take(2)
.ToArray();
/*for (var i = 0; i < 32 * 50; i++)
Console.Write(input(i) ? "1" : "0");
Console.WriteLine();
Console.WriteLine(String.Join("", outputData.Select(v => v ? "1" : "0")));*/
Console.WriteLine("Expected: {0} Matched: {1} ({3:p}) Runner Up: {2} ({4:p}) Activity Count: {5}", frame.Category, matches[0].Identifier, matches[1].Identifier, matches[0].Strength, matches[1].Strength, activeCount);
}
}
public void CountActiveColumnsPerStepWithMovingInput()
{
var sp = new SpatialPooler(
inputCount: 100,
columnCount: 100,
desiredLocalActivity: 5,
minOverlap: 2,
maxSynapsesPerColumn: 20
);
var cl = new AlsingClassifier();
var values = new bool[100];
for (var i = 0; i < 100; i++)
values[i] = i < 5;
for (var t = 0; t < 10000; t++)
{
Func<int, bool> input = (i) => values[i];
sp.Feed(input);
values.Shift();
}
sp.Learning = false;
for (var t = 0; t < 100; t++)
{
Func<int, bool> input = (i) => values[i];
sp.Feed(input);
cl.Train((t / 10).ToString(), sp.ToArray());
values.Shift();
}
for (var i = 0; i < 100; i++)
values[i] = i < 6;
var rnd = new Random();
for (var t = 0; t < 1000; t++)
{
var activeCount = 0;
var noiseInput = (bool[])values.Clone();
for (var i = 0; i < 100; i++)
if (rnd.NextDouble() < 0.05)
noiseInput[i] = !noiseInput[i];
Func<int, bool> input = (i) => noiseInput[i];
sp.Feed(input);
foreach (var b in sp)
if (b)
activeCount++;
var matches = cl.FindMatches(sp.ToArray())
.OrderByDescending(c => c.Strength)
.Select(m => m.Identifier + ": " + Math.Round(m.Strength * 100, 2) + "%");
Console.Write(String.Join("", sp.Select(v => v ? "1" : "0")) + "\t");
Console.WriteLine(String.Join("\t", matches));
values.Shift();
}
}