public void SerializationTest()
{
var parameters = GetDefaultParams();
parameters.setInputDimensions(new int[] { 1000 });
parameters.setColumnDimensions(new int[] { 2048 });
parameters.setNumActiveColumnsPerInhArea(0.02 * 2048);
parameters.setGlobalInhibition(true);
var sp = new SpatialPooler();
var mem1 = new Connections();
parameters.apply(mem1);
var settings = new JsonSerializerSettings {
ContractResolver = new ContractResolver(), Formatting = Formatting.Indented
};
var jsonMem = JsonConvert.SerializeObject(mem1, settings);
var mem2 = JsonConvert.DeserializeObject <Connections>(jsonMem, settings);
sp.init(mem1);
var jsonSp = JsonConvert.SerializeObject(sp, settings);
var sp2 = JsonConvert.DeserializeObject <SpatialPooler>(jsonSp, settings);
#region Binary Serialization DOES NOT WORK
/*
* MemoryStream ms = new MemoryStream();
*
* // Construct a BinaryFormatter and use it to serialize the data to the stream.
* BinaryFormatter formatter = new BinaryFormatter();
* try
* {
* Random x = new Random(1);
* formatter.Serialize(ms, x);
* }
* catch (SerializationException e)
* {
* Console.WriteLine("Failed to serialize. Reason: " + e.Message);
* throw;
* }
*
* ms.Seek(0, SeekOrigin.Begin);
*
* Connections mem2 = (Connections)formatter.Deserialize(ms);
*/
#endregion
sp.init(mem1);
}
internal static void InitPooler(PoolerMode poolerMode, SpatialPooler sp, Connections mem, Parameters parameters = null)
{
if (poolerMode == PoolerMode.Multinode)
{
sp.init(mem, UnitTestHelpers.GetMemory(mem.HtmConfig));
}
else if (poolerMode == PoolerMode.Multicore)
{
sp.init(mem, UnitTestHelpers.GetMemory());
}
else
{
sp.init(mem);
}
}
public void StableOutputOnSameInputTest()
{
var parameters = GetDefaultParams();
parameters.Set(KEY.POTENTIAL_RADIUS, 64 * 64);
parameters.Set(KEY.POTENTIAL_PCT, 1.0);
parameters.Set(KEY.GLOBAL_INHIBITION, false);
parameters.Set(KEY.STIMULUS_THRESHOLD, 0.5);
parameters.Set(KEY.INHIBITION_RADIUS, (int)0.25 * 64 * 64);
parameters.Set(KEY.LOCAL_AREA_DENSITY, -1);
parameters.Set(KEY.NUM_ACTIVE_COLUMNS_PER_INH_AREA, 0.1 * 64 * 64);
parameters.Set(KEY.DUTY_CYCLE_PERIOD, 1000000);
parameters.Set(KEY.MAX_BOOST, 5);
parameters.setInputDimensions(new int[] { 32, 32 });
parameters.setColumnDimensions(new int[] { 64, 64 });
parameters.setNumActiveColumnsPerInhArea(0.02 * 64 * 64);
var sp = new SpatialPooler();
var mem = new Connections();
//List<int> intList = ArrayUtils.ReadCsvFileTest("TestFiles\\digit1_binary_32bit.txt");
//intList.Clear();
//List<int> intList = new List<int>();
int[] inputVector = new int[1024];
for (int i = 0; i < 31; i++)
{
for (int j = 0; j < 32; j++)
{
if (i > 2 && i < 5 && j > 2 && j < 8)
{
inputVector[i * 32 + j] = 1;
}
else
{
inputVector[i * 32 + j] = 0;
}
}
}
parameters.apply(mem);
sp.init(mem);
//int[] activeArray = new int[64 * 64];
for (int i = 0; i < 10; i++)
{
//sp.compute( inputVector, activeArray, true);
var activeArray = sp.Compute(inputVector, true) as int[];
var activeCols = ArrayUtils.IndexWhere(activeArray, (el) => el == 1);
var str = Helpers.StringifyVector(activeCols);
Debug.WriteLine(str);
}
}
public void CollSynapsesToInput()
{
var parameters = GetDefaultParams();
parameters.setInputDimensions(new int[] { 32 });
parameters.setColumnDimensions(new int[] { 128 });
parameters.setNumActiveColumnsPerInhArea(0.02 * 128);
var sp = new SpatialPooler();
var mem = new Connections();
parameters.apply(mem);
sp.init(mem);
int[] activeArray = new int[128];
int[] inputVector = Helpers.GetRandomVector(32, parameters.Get <Random>(KEY.RANDOM));
for (int i = 0; i < 100; i++)
{
sp.compute(inputVector, activeArray, true);
var activeCols = ArrayUtils.IndexWhere(activeArray, (el) => el == 1);
var str = Helpers.StringifyVector(activeCols);
Debug.WriteLine(str);
}
}
public HtmModuleNet(Parameters parameters, int[] levels)
{
for (int levelIndx = 0; levelIndx < levels.Length; levelIndx++)
{
int levelIn;
int levelOut;
if (levelIndx == 0)
{
levelIn = levelOut = levels[levelIndx];
}
else
{
levelIn = connections[levelIndx - 1].getColumnDimensions()[0];
levelOut = levels[levelIndx];
}
parameters.setInputDimensions(new int[] { levelIn, levelIn });
parameters.setColumnDimensions(new int[] { levelOut, levelOut });
parameters.Set(KEY.NUM_ACTIVE_COLUMNS_PER_INH_AREA, 0.1 * levelOut * levelOut);
var mem = new Connections();
parameters.apply(mem);
this.activeArrays.Add(new int[levelOut * levelOut]);
this.connections.Add(mem);
SpatialPooler sp = new SpatialPooler();
sp.init(mem, null);
poolers.Add(sp);
}
}
public void SPTutorialTest()
{
var parameters = GetDefaultParams();
parameters.setInputDimensions(new int[] { 1000 });
parameters.setColumnDimensions(new int[] { 2048 });
parameters.setNumActiveColumnsPerInhArea(0.02 * 2048);
parameters.setGlobalInhibition(false);
var sp = new SpatialPooler();
var mem = new Connections();
parameters.apply(mem);
sp.init(mem);
int[] activeArray = new int[2048];
int[] inputVector = Helpers.GetRandomVector(1000, parameters.Get <Random>(KEY.RANDOM));
sp.compute(inputVector, activeArray, true);
var activeCols = ArrayUtils.IndexWhere(activeArray, (el) => el == 1);
var str = Helpers.StringifyVector(activeCols);
Debug.WriteLine(str);
}
public HtmModuleNet(Parameters[] parametersList)
{
foreach (var prms in parametersList)
{
var mem = new Connections();
prms.apply(mem);
var colDims = prms.Get <int[]>(KEY.COLUMN_DIMENSIONS);
int numCols = 1;
for (int i = 0; i < colDims.Length; i++)
{
numCols = numCols * colDims[i];
}
this.activeArrays.Add(new int[numCols]);
this.connections.Add(mem);
SpatialPooler sp = new SpatialPooler();
sp.init(mem, null);
poolers.Add(sp);
}
}
public void SerializationTest1()
{
var parameters = GetDefaultParams();
parameters.setInputDimensions(new int[] { 500 });
parameters.setColumnDimensions(new int[] { 2048 });
parameters.setNumActiveColumnsPerInhArea(0.02 * 2048);
parameters.setGlobalInhibition(true);
var sp1 = new SpatialPooler();
var mem1 = new Connections();
parameters.apply(mem1);
sp1.init(mem1);
sp1.Serializer("spTesting.json");
string ser = File.ReadAllText("spTesting.json");
var sp2 = SpatialPooler.Deserializer("spTesting.json");
// sp2.Serializer("spTestingDeserialized");
// string des = File.ReadAllText("spTestingDeserialized");
// Assert.IsTrue(ser.SequenceEqual(des));
/* JsonSerializerSettings settings = new JsonSerializerSettings
* {
*
* DefaultValueHandling = DefaultValueHandling.Include,
* ObjectCreationHandling = ObjectCreationHandling.Auto,
* ReferenceLoopHandling = ReferenceLoopHandling.Serialize,
* ConstructorHandling = ConstructorHandling.AllowNonPublicDefaultConstructor,
* TypeNameHandling = TypeNameHandling.Auto
*
* };
*
* var jsonData = JsonConvert.SerializeObject(sp1, settings);
* File.WriteAllText("spSerializedFile.json", jsonData);
*
*
* var sp2 = JsonConvert.DeserializeObject<SpatialPooler>(File.ReadAllText("spSerializedFile.json"), settings);
* var jsonData2 = JsonConvert.SerializeObject(sp2, settings);
*
*
*
* File.WriteAllText("spSerializedFile2.json", jsonData2);
*
* var sp3 = JsonConvert.DeserializeObject<SpatialPooler>(File.ReadAllText("spSerializedFile2.json"), settings);
* var jsonData3 = JsonConvert.SerializeObject(sp3, settings);
*
* File.WriteAllText("spSerializedFile3.json", jsonData3);
*
* Assert.IsTrue(jsonData2.SequenceEqual(jsonData3));
* Assert.IsTrue(jsonData.SequenceEqual(jsonData2));
*/
}
public void StableOutputWithPersistence()
{
var parameters = GetDefaultParams();
parameters.setInputDimensions(new int[] { 32, 32 });
parameters.setColumnDimensions(new int[] { 64, 64 });
parameters.setNumActiveColumnsPerInhArea(0.02 * 64 * 64);
var mem = new Connections();
parameters.apply(mem);
var sp = new SpatialPooler();
sp.init(mem);
int[] activeArray = new int[64 * 64];
int[] inputVector = Helpers.GetRandomVector(32 * 32, parameters.Get <Random>(KEY.RANDOM));
string str1 = String.Empty;
for (int i = 0; i < 10; i++)
{
sp.compute(inputVector, activeArray, true);
var activeCols = ArrayUtils.IndexWhere(activeArray, (el) => el == 1);
str1 = Helpers.StringifyVector(activeCols);
Debug.WriteLine(str1);
}
var settings = new JsonSerializerSettings {
ContractResolver = new ContractResolver(), Formatting = Formatting.Indented
};
var jsonSp = JsonConvert.SerializeObject(sp, settings);
var sp2 = JsonConvert.DeserializeObject <SpatialPooler>(jsonSp, settings);
activeArray = new int[activeArray.Length];
for (int i = 10; i < 20; i++)
{
sp2.compute(inputVector, activeArray, true);
var activeCols = ArrayUtils.IndexWhere(activeArray, (el) => el == 1);
var str2 = Helpers.StringifyVector(activeCols);
Debug.WriteLine(str2);
Assert.IsTrue(str1.SequenceEqual(str2));
}
}
public void SPInhibitionTest()
{
var parameters = GetDefaultParams();
parameters.setInputDimensions(new int[] { 10 });
parameters.setColumnDimensions(new int[] { 1024 });
parameters.setNumActiveColumnsPerInhArea(0.2 * 32 * 32);
parameters.setGlobalInhibition(false);
var sp = new SpatialPooler();
var mem = new Connections();
parameters.apply(mem);
sp.init(mem);
//int[] inputVector = NeoCortexUtils.ReadCsvFileTest("Testfiles\\digit8_binary_32bit.txt").ToArray();
// var inputString = Helpers.StringifyVector(inputVector);
//Debug.WriteLine("Input Array: " + inputString);
int[] inputVector = new int[] { 1, 0, 0, 0, 1, 1, 1, 0, 1, 1 };
int[] activeArray = new int[32 * 32];
//int iteration = -1;
String str = "";
for (int i = 0; i < 10; i++)
{
var overlaps = sp.CalculateOverlap(mem, inputVector);
var strOverlaps = Helpers.StringifyVector(overlaps);
var inhibitions = sp.inhibitColumns(mem, ArrayUtils.toDoubleArray(overlaps));
var strInhibitions = Helpers.StringifyVector(inhibitions);
activeArray = sp.Compute(inputVector, true) as int[];
//Debug.WriteLine(result);
//sp.compute( inputVector, activeArray, true);
var activeCols = ArrayUtils.IndexWhere(activeArray, (el) => el == 1);
var strActiveArr = Helpers.StringifyVector(activeArray);
Debug.WriteLine("Active array: " + strActiveArr);
var strActiveCols = Helpers.StringifyVector(activeCols);
Debug.WriteLine("Number of Active Column: " + activeCols.Length);
str = strActiveCols;
Debug.WriteLine($"{i} - {strActiveCols}");
}
var strOutput = Helpers.StringifyVector(activeArray);
Debug.WriteLine("Output: " + strOutput);
}
public void TestMaxDims()
{
var parameters = SpatialPoolerResearchTests.GetDefaultParams();
parameters.Set(KEY.POTENTIAL_RADIUS, 64 * 64);
parameters.Set(KEY.POTENTIAL_PCT, 1.0);
parameters.Set(KEY.GLOBAL_INHIBITION, false);
parameters.Set(KEY.STIMULUS_THRESHOLD, 0.5);
parameters.Set(KEY.INHIBITION_RADIUS, (int)0.25 * 64 * 64);
parameters.Set(KEY.LOCAL_AREA_DENSITY, -1);
parameters.Set(KEY.NUM_ACTIVE_COLUMNS_PER_INH_AREA, 0.1 * 64 * 64);
parameters.Set(KEY.DUTY_CYCLE_PERIOD, 1000000);
parameters.Set(KEY.MAX_BOOST, 5);
parameters.setInputDimensions(new int[] { 320, 320 });
parameters.setColumnDimensions(new int[] { 2048, 2048 });
parameters.setNumActiveColumnsPerInhArea(0.02 * 64 * 64);
var sp = new SpatialPooler();
var mem = new Connections();
//List<int> intList = ArrayUtils.ReadCsvFileTest("TestFiles\\digit1_binary_32bit.txt");
//intList.Clear();
//List<int> intList = new List<int>();
int[] inputVector = new int[1024];
for (int i = 0; i < 31; i++)
{
for (int j = 0; j < 32; j++)
{
if (i > 2 && i < 5 && j > 2 && j < 8)
{
inputVector[i * 32 + j] = 1;
}
else
{
inputVector[i * 32 + j] = 0;
}
}
}
parameters.apply(mem);
sp.init(mem, null);
}
public void NeighborhoodTest()
{
var parameters = GetDefaultParams();
int cellsDim1 = 64;
int cellsDim2 = 64;
parameters.setInputDimensions(new int[] { 32 });
parameters.setColumnDimensions(new int[] { cellsDim1 });
var sp = new SpatialPooler();
var mem = new Connections();
parameters.apply(mem);
sp.init(mem);
for (int rad = 1; rad < 10; rad++)
{
using (StreamWriter sw = new StreamWriter($"neighborhood-test-rad{rad}-center-from-{cellsDim1}-to-{0}.csv"))
{
sw.WriteLine($"{cellsDim1}|{cellsDim2}|{rad}|First column defines center of neiborhood. All other columns define indicies of neiborhood columns");
for (int center = 0; center < 64; center++)
{
var nbs = HtmCompute.GetNeighborhood(center, rad, mem.getColumnTopology().HtmTopology);
StringBuilder sb = new StringBuilder();
sb.Append(center);
sb.Append('|');
foreach (var neighobordCellIndex in nbs)
{
sb.Append(neighobordCellIndex);
sb.Append('|');
}
string str = sb.ToString();
sw.WriteLine(str.TrimEnd('|'));
}
}
}
}
public void TestMethod2()
{
var parameters = Helpers.GetDefaultParams();;
var imageWidth = 60;
var imageHeight = 60;
int outputWidth = 120;
int outputHeight = 120;
String trainingImageName = "Lamp.png";
String predictionImageNameShift = "Lamp75Shift.PNG";
bool withTraining = true;
StringBuilder reportFile = new StringBuilder();
reportFile.Append($"Given Image Width: {imageWidth}");
reportFile.AppendLine();
reportFile.Append($"Given Image Height: {imageHeight}");
reportFile.AppendLine();
reportFile.Append($"Given Output Column Width: {outputWidth}");
reportFile.AppendLine();
reportFile.Append($"Given Output Column Height: {outputHeight}");
reportFile.AppendLine();
parameters.setInputDimensions(new int[] { imageWidth, imageHeight });
parameters.setColumnDimensions(new int[] { outputWidth, outputHeight });
parameters.setNumActiveColumnsPerInhArea(0.02 * outputWidth * outputHeight);
var sp = new SpatialPooler();
var mem = new Connections();
parameters.apply(mem);
sp.init(mem);
int[] activeArray = new int[outputWidth * outputHeight];
int[] inputVector = ReadImageData(trainingImageName, imageHeight, imageWidth);
int[] newActiveArray = new int[outputWidth * outputHeight];
double[][] newActiveArrayDouble = new double[1][];
newActiveArrayDouble[0] = new double[newActiveArray.Length];
if (withTraining)
{
//Training
sp.compute(mem, inputVector, activeArray, true);
var activeCols = ArrayUtils.IndexWhere(activeArray, (el) => el == 1);
double[][] oldActiveArrayDouble = new double[1][];
oldActiveArrayDouble[0] = new double[activeArray.Length];
for (int i = 0; i < activeArray.Length; i++)
{
oldActiveArrayDouble[0][i] = activeArray[i];
}
int isTrained = 0;
while (isTrained == 0)
{
sp.compute(mem, inputVector, newActiveArray, true);
activeCols = ArrayUtils.IndexWhere(newActiveArray, (el) => el == 1);
for (int i = 0; i < newActiveArray.Length; i++)
{
newActiveArrayDouble[0][i] = newActiveArray[i];
}
if (GetHammingDistances(oldActiveArrayDouble, newActiveArrayDouble, true)[0] == 100)
{
isTrained = 1;
}
else
{
isTrained = 0;
oldActiveArrayDouble = newActiveArrayDouble;
}
}
var str = Helpers.StringifyVector(activeCols);
reportFile.AppendLine();
reportFile.Append($"Active Columns of Trained Image({trainingImageName}):");
reportFile.AppendLine();
reportFile.Append(str);
reportFile.AppendLine();
reportFile.Append($"Number of Active Columns of Trained Image({trainingImageName}): {activeCols.Length}");
reportFile.AppendLine();
}
else
{
//Without Training
sp.compute(mem, inputVector, newActiveArray, false);
var activeCols = ArrayUtils.IndexWhere(newActiveArray, (el) => el == 1);
var str = Helpers.StringifyVector(activeCols);
reportFile.AppendLine();
reportFile.Append($"Active Columns of Untrained Image({trainingImageName}):");
reportFile.AppendLine();
reportFile.Append(str);
reportFile.AppendLine();
reportFile.Append($"Number of Active Columns of Untrained Image({trainingImageName}): {activeCols.Length}");
reportFile.AppendLine();
}
//Prediction with Shift
int[] inputVectorShift = ReadImageData(predictionImageNameShift, imageHeight, imageWidth);
int[] activeArrayShift = new int[outputWidth * outputHeight];
sp.compute(mem, inputVectorShift, activeArrayShift, false);
var resActiveColsShift = ArrayUtils.IndexWhere(activeArrayShift, (el) => el == 1);
var resStrShift = Helpers.StringifyVector(resActiveColsShift);
for (int i = 0; i < newActiveArray.Length; i++)
{
newActiveArrayDouble[0][i] = newActiveArray[i];
}
double[][] activeArrayShiftDouble = new double[1][];
activeArrayShiftDouble[0] = new double[activeArrayShift.Length];
for (int i = 0; i < activeArrayShift.Length; i++)
{
activeArrayShiftDouble[0][i] = activeArrayShift[i];
}
double hammingDistancePercentage = GetHammingDistances(newActiveArrayDouble, activeArrayShiftDouble, true)[0];
reportFile.AppendLine();
reportFile.Append($"Active Columns of Prediction of Trained Image with Shift({predictionImageNameShift}):");
reportFile.AppendLine();
reportFile.Append(resStrShift);
reportFile.AppendLine();
reportFile.Append($"Number of Active Columns of Prediction of Trained Image with Shift({predictionImageNameShift}): {resActiveColsShift.Length}");
reportFile.AppendLine();
reportFile.Append($"Hamming Distance in % between Trained Image({trainingImageName}) and Prediction of same Image with Shift({predictionImageNameShift}): {100-hammingDistancePercentage}%");
reportFile.AppendLine();
reportFile.Append($"Output Overlap for Trained Image({trainingImageName}) and Prediction of same Image with Shift({predictionImageNameShift}): Output Overlap: {hammingDistancePercentage/100}");
reportFile.AppendLine();
using (StreamWriter writer = File.CreateText(Path.Combine(AppContext.BaseDirectory, $"Output/report-{trainingImageName}.txt")))
{
string text = reportFile.ToString();
writer.Write(text);
}
}
public void TestMethod1()
{
var parameters = Helpers.GetDefaultParams();;
var imageWidth = 30;
var imageHeight = 30;
int outputWidth = 60;
int outputHeight = 60;
String trainingImageName = "Lamp25Shift.PNG";
String predictionImageNameShift = "Lamp25Shift.PNG";
String predictionImageNameRotate = "LampRotate.PNG";
String predictionImageNameDifferent = "Fish.PNG";
bool withTraining = true;
StringBuilder reportFile = new StringBuilder();
reportFile.Append($"Given Image Width: {imageWidth}");
reportFile.AppendLine();
reportFile.Append($"Given Image Height: {imageHeight}");
reportFile.AppendLine();
reportFile.Append($"Given Output Column Width: {outputWidth}");
reportFile.AppendLine();
reportFile.Append($"Given Output Column Height: {outputHeight}");
reportFile.AppendLine();
parameters.setInputDimensions(new int[] { imageWidth, imageHeight });
parameters.setColumnDimensions(new int[] { outputWidth, outputHeight });
parameters.setNumActiveColumnsPerInhArea(0.02 * outputWidth * outputHeight);
var sp = new SpatialPooler();
var mem = new Connections();
parameters.apply(mem);
sp.init(mem);
int[] activeArray = new int[outputWidth * outputHeight];
int[] inputVector = ReadImageData(trainingImageName, imageHeight, imageWidth);
int[] newActiveArray = new int[outputWidth * outputHeight];
if (withTraining)
{
//Training
sp.compute(mem, inputVector, activeArray, true);
var activeCols = ArrayUtils.IndexWhere(activeArray, (el) => el == 1);
int[] oldActiveArray = activeArray;
int flag = 0;
while (flag == 0)
{
sp.compute(mem, inputVector, newActiveArray, true);
activeCols = ArrayUtils.IndexWhere(newActiveArray, (el) => el == 1);
if (GetHammingDistance(oldActiveArray, newActiveArray) == 0)
{
flag = 1;
}
else
{
flag = 0;
oldActiveArray = newActiveArray;
}
}
var str = Helpers.StringifyVector(activeCols);
reportFile.AppendLine();
reportFile.Append($"Active Columns of Trained Image({trainingImageName}):");
reportFile.AppendLine();
reportFile.Append(str);
reportFile.AppendLine();
reportFile.Append($"Number of Active Columns of Trained Image({trainingImageName}): {activeCols.Length}");
reportFile.AppendLine();
}
else
{
//Without Training
sp.compute(mem, inputVector, newActiveArray, false);
var activeCols = ArrayUtils.IndexWhere(newActiveArray, (el) => el == 1);
var str = Helpers.StringifyVector(activeCols);
reportFile.AppendLine();
reportFile.Append($"Active Columns of Untrained Image({trainingImageName}):");
reportFile.AppendLine();
reportFile.Append(str);
reportFile.AppendLine();
reportFile.Append($"Number of Active Columns of Untrained Image({trainingImageName}): {activeCols.Length}");
reportFile.AppendLine();
}
//Prediction with Shift
int[] inputVectorShift = ReadImageData(predictionImageNameShift, imageHeight, imageWidth);
int[] activeArrayShift = new int[outputWidth * outputHeight];
sp.compute(mem, inputVectorShift, activeArrayShift, false);
var resActiveColsShift = ArrayUtils.IndexWhere(activeArrayShift, (el) => el == 1);
var resStrShift = Helpers.StringifyVector(resActiveColsShift);
int hamDistShift = GetHammingDistance(newActiveArray, activeArrayShift);
reportFile.AppendLine();
reportFile.Append($"Active Columns of Prediction of Trained Image with Shift({predictionImageNameShift}):");
reportFile.AppendLine();
reportFile.Append(resStrShift);
reportFile.AppendLine();
reportFile.Append($"Number of Active Columns of Prediction of Trained Image with Shift({predictionImageNameShift}): {resActiveColsShift.Length}");
reportFile.AppendLine();
reportFile.Append($"Hamming Distance between Trained Image({trainingImageName}) and Prediction of same Image with Shift({predictionImageNameShift}): {hamDistShift}");
reportFile.AppendLine();
reportFile.Append($"Hamming Distance in % between Trained Image({trainingImageName}) and Prediction of same Image with Shift({predictionImageNameShift}): {Math.Round((double)(hamDistShift * 100) / (outputWidth * outputHeight), 4)}%");
reportFile.AppendLine();
//Prediction with 90 degree Rotate
int[] inputVectorR90 = ReadImageData(predictionImageNameRotate, imageHeight, imageWidth);
int[] activeArrayR90 = new int[outputWidth * outputHeight];
sp.compute(mem, inputVectorR90, activeArrayR90, false);
var resActiveColsR90 = ArrayUtils.IndexWhere(activeArrayR90, (el) => el == 1);
var resStrR90 = Helpers.StringifyVector(resActiveColsR90);
int hamDistR90 = GetHammingDistance(newActiveArray, activeArrayR90);
reportFile.AppendLine();
reportFile.Append($"Active Columns of Prediction of Trained Image with 90 degrees rotate({predictionImageNameRotate}):");
reportFile.AppendLine();
reportFile.Append(resStrR90);
reportFile.AppendLine();
reportFile.Append($"Number of Active Columns of Prediction of Trained Image with 90 degrees rotate({predictionImageNameRotate}): {resActiveColsR90.Length}");
reportFile.AppendLine();
reportFile.Append($"Hamming Distance between Trained Image({trainingImageName}) and Prediction of same Image with 90 degrees rotate({predictionImageNameRotate}): {hamDistR90}");
reportFile.AppendLine();
reportFile.Append($"Hamming Distance in % between Trained Image({trainingImageName}) and Prediction of same Image with 90 degrees rotate({predictionImageNameRotate}): {Math.Round((double)(hamDistR90 * 100) / (outputWidth * outputHeight), 4)}%");
reportFile.AppendLine();
//Prediction with Different Image
int[] inputVectorDifferent = ReadImageData(predictionImageNameDifferent, imageHeight, imageWidth);
int[] activeArrayDifferent = new int[outputWidth * outputHeight];
sp.compute(mem, inputVectorDifferent, activeArrayDifferent, false);
var resActiveColsDifferent = ArrayUtils.IndexWhere(activeArrayDifferent, (el) => el == 1);
var resStrDifferent = Helpers.StringifyVector(resActiveColsDifferent);
int hamDistDifferent = GetHammingDistance(newActiveArray, activeArrayDifferent);
reportFile.AppendLine();
reportFile.Append($"Active Columns of Prediction of Different Image than Trained Image({predictionImageNameDifferent}):");
reportFile.AppendLine();
reportFile.Append(resStrDifferent);
reportFile.AppendLine();
reportFile.Append($"Number of Active Columns of Prediction of Different Image than Trained Image({predictionImageNameDifferent}): {resActiveColsDifferent.Length}");
reportFile.AppendLine();
reportFile.Append($"Hamming Distance between Trained Image({trainingImageName}) and Prediction of Different Image than Trained Image({predictionImageNameDifferent}): {hamDistDifferent}");
reportFile.AppendLine();
reportFile.Append($"Hamming Distance in % between Trained Image({trainingImageName}) and Prediction of Different Image than Trained Image({predictionImageNameDifferent}): {Math.Round((double)(hamDistDifferent * 100) / (outputWidth * outputHeight), 4)}%");
reportFile.AppendLine();
//Prediction with Noise of given percentages
double[] givenNoisePercentages = { 0, 1, 5, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 };
for (int i = 0; i < givenNoisePercentages.Length; i++)
{
int[] oldInputVector = ReadImageData(trainingImageName, imageHeight, imageWidth);
int[] inputVectorNoisePercent = MakeSomeNoise(oldInputVector, givenNoisePercentages[i] / 100);
int[] activeArrayNoisePercent = new int[outputWidth * outputHeight];
MakeBinaryFile(inputVectorNoisePercent, imageHeight, imageWidth, $"{trainingImageName}-Noise{givenNoisePercentages[i]}p");
sp.compute(mem, inputVectorNoisePercent, activeArrayNoisePercent, false);
var resActiveColsPercent = ArrayUtils.IndexWhere(activeArrayNoisePercent, (el) => el == 1);
var resStrPercent = Helpers.StringifyVector(resActiveColsPercent);
int hamDistNoisePercent = GetHammingDistance(newActiveArray, activeArrayNoisePercent);
reportFile.AppendLine();
reportFile.Append($"Active Columns of Prediction of Trained Image({trainingImageName}) with Noise of {givenNoisePercentages[i]} percent:");
reportFile.AppendLine();
reportFile.Append(resStrPercent);
reportFile.AppendLine();
reportFile.Append($"Number of Active Columns of Prediction of Trained Image({trainingImageName}) with Noise of {givenNoisePercentages[i]} percent: {resActiveColsPercent.Length}");
reportFile.AppendLine();
reportFile.Append($"Hamming Distance between Trained Image({trainingImageName}) and Prediction of same Image with Noise of {givenNoisePercentages[i]} percent: {hamDistNoisePercent}");
reportFile.AppendLine();
reportFile.Append($"Hamming Distance in % between Trained Image({trainingImageName}) and Prediction of same Image with Noise of {givenNoisePercentages[i]} percent: {Math.Round((double)(hamDistNoisePercent*100) / (outputWidth * outputHeight), 4)}%");
reportFile.AppendLine();
reportFile.Append($"Output Overlap versus Input Overlap for Trained Image({trainingImageName}) and Prediction of same Image with Noise of {givenNoisePercentages[i]} percent: Output Overlap: {1 - Math.Round((double)(hamDistNoisePercent * 100) / (outputWidth * outputHeight), 4) / 100}, Input Overlap: {1 - givenNoisePercentages[i] / 100}");
reportFile.AppendLine();
}
using (StreamWriter writer = File.CreateText(Path.Combine(AppContext.BaseDirectory, $"Output/report-{trainingImageName}.txt")))
{
string text = reportFile.ToString();
writer.Write(text);
}
}
// [DataRow("MnistTestImages\\digit7.png", 128, 30)]
public void LearningimageDoubleShiftStble(string mnistImage, string shiftedImage, int[] imageSize, int[] topologies)
{
var path = Path.Combine(Directory.GetParent(Environment.CurrentDirectory).Parent.Parent.FullName, mnistImage);
var pathShifted = Path.Combine(Directory.GetParent(Environment.CurrentDirectory).Parent.Parent.FullName, shiftedImage);
Console.WriteLine("Test started");
Console.WriteLine(mnistImage);
Console.WriteLine(shiftedImage);
const int OutImgSize = 1024;
int index1 = mnistImage.IndexOf("\\") + 1;
int index2 = mnistImage.IndexOf(".");
string sub1 = mnistImage.Substring(0, index2);
string sub2 = mnistImage.Substring(0, index1);
string name = mnistImage.Substring(index1, sub1.Length - sub2.Length);
int index1Shift = shiftedImage.IndexOf("\\") + 1;
int index2Shift = shiftedImage.IndexOf(".");
string sub1Shift = shiftedImage.Substring(0, index2Shift);
string sub2Shift = shiftedImage.Substring(0, index1Shift);
string nameShift = shiftedImage.Substring(index1Shift, sub1Shift.Length - sub2Shift.Length);
for (int imSizeIndx = 0; imSizeIndx < imageSize.Length; imSizeIndx++)
{
Console.WriteLine(String.Format("Image Size: \t{0}", imageSize[imSizeIndx]));
string testName = $"{name}_{imageSize[imSizeIndx]}";
string outputSpeedFile = $"Output\\{testName}_speed.txt";
string testNameShifted = $"{nameShift}_{imageSize[imSizeIndx]}";
string outputSpeedFileShifted = $"Output\\{testNameShifted}_speed.txt";
string inputBinaryImageFile = BinarizeImage(path, imageSize[imSizeIndx], testName);
string inputBinaryImageShiftedFile = BinarizeImage(pathShifted, imageSize[imSizeIndx], testNameShifted);
//string inputBinaryImageFile = BinarizeImage("Output\\" + mnistImage, imageSize[imSizeIndx], testName);
for (int topologyIndx = 0; topologyIndx < topologies.Length; topologyIndx++)
{
Console.WriteLine(String.Format("Topology: \t{0}", topologies[topologyIndx]));
string finalName = $"{testName}_{topologies[topologyIndx]}";
string outputHamDistFile = $"Output\\{finalName}_hamming.txt";
string outputActColFile = $"Output\\{finalName}_activeCol.txt";
string outputImage = $"Output\\{finalName}.png";
string finalNameShifted = $"{testNameShifted}_{topologies[topologyIndx]}";
string outputHamDistFileShifted = $"Output\\{finalNameShifted}_hamming.txt";
string outputActColFileShifted = $"Output\\{finalNameShifted}_activeCol.txt";
string outputImageShifted = $"Output\\{finalNameShifted}.png";
//File.Create(finalName);
//Directory.CreateDirectory("Output");
//File.Create(outputHamDistFile);
//File.Create(outputActColFile);
int numOfActCols = 0;
var sw = new Stopwatch();
using (StreamWriter swHam = new StreamWriter(outputHamDistFile))
{
using (StreamWriter swSpeed = new StreamWriter(outputSpeedFile, true))
{
using (StreamWriter swActCol = new StreamWriter(outputActColFile))
{
numOfActCols = topologies[topologyIndx] * topologies[topologyIndx];
var parameters = GetDefaultParams();
parameters.setInputDimensions(new int[] { imageSize[imSizeIndx], imageSize[imSizeIndx] });
parameters.setColumnDimensions(new int[] { topologies[topologyIndx], topologies[topologyIndx] });
parameters.setNumActiveColumnsPerInhArea(0.02 * numOfActCols);
var sp = new SpatialPooler();
var mem = new Connections();
parameters.apply(mem);
sw.Start();
sp.init(mem);
sw.Stop();
swSpeed.WriteLine($"{topologies[topologyIndx]}|{(double)sw.ElapsedMilliseconds / (double)1000}");
int actiColLen = numOfActCols;
int[] activeArray = new int[actiColLen];
//Read input csv file into array
int[] inputVector = NeoCortexUtils.ReadCsvFileTest(inputBinaryImageFile).ToArray();
var inputOverlap = new List <double>();
var outputOverlap = new List <double>();
int[] newActiveArray = new int[topologies[topologyIndx] * topologies[topologyIndx]];
double[][] newActiveArrayDouble = new double[1][];
newActiveArrayDouble[0] = new double[newActiveArray.Length];
//Training
sp.compute(inputVector, activeArray, true);
var activeCols = ArrayUtils.IndexWhere(activeArray, (el) => el == 1);
double[][] oldActiveArray = new double[1][];
oldActiveArray[0] = new double[activeArray.Length];
for (int a = 0; a < activeArray.Length; a++)
{
oldActiveArray[0][a] = activeArray[a];
}
int isTrained = 0;
while (isTrained == 0)
{
sp.compute(inputVector, newActiveArray, true);
activeCols = ArrayUtils.IndexWhere(newActiveArray, (el) => el == 1);
for (int a = 0; a < newActiveArray.Length; a++)
{
newActiveArrayDouble[0][a] = newActiveArray[a];
}
if (MathHelpers.GetHammingDistance(oldActiveArray, newActiveArrayDouble, true)[0] == 100)
{
isTrained = 1;
}
else
{
isTrained = 0;
oldActiveArray = newActiveArrayDouble;
}
}
var str = Helpers.StringifyVector(activeCols);
int[] oldInputVector = NeoCortexUtils.ReadCsvFileTest(inputBinaryImageFile).ToArray();
int[] inputVectorShifted = NeoCortexUtils.ReadCsvFileTest(inputBinaryImageShiftedFile).ToArray();
int[] activeArrayShifted = new int[topologies[topologyIndx] * topologies[topologyIndx]];
double[][] activeArrayShiftedDouble = new double[1][];
activeArrayShiftedDouble[0] = new double[activeArrayShifted.Length];
sw.Restart();
//Prediction
sp.compute(inputVectorShifted, activeArrayShifted, false);
var resActiveColsPercent = ArrayUtils.IndexWhere(activeArrayShifted, (el) => el == 1);
var resStrPercent = Helpers.StringifyVector(activeArrayShifted);
for (int a = 0; a < activeArrayShifted.Length; a++)
{
activeArrayShiftedDouble[0][a] = activeArrayShifted[a];
}
var distance = MathHelpers.GetHammingDistance(newActiveArrayDouble, activeArrayShiftedDouble, false)[0];
var distPercent = ((100 - distance) * 100) / (topologies[topologyIndx] * topologies[topologyIndx]);
swHam.WriteLine(distance + "\t" + (100 - distance) + "\t" + distPercent + "\t" + (1 - (distPercent / 100.0)) + "\n");
outputOverlap.Add(1 - (distPercent / 100.0));
swActCol.WriteLine(String.Format(@"Active Cols: {0}", Helpers.StringifyVector(resActiveColsPercent)));
Console.WriteLine(resStrPercent);
swActCol.WriteLine("Active Array: " + resStrPercent);
sw.Stop();
int[,] twoDimenArray = ArrayUtils.Make2DArray <int>(activeArrayShifted, topologies[topologyIndx], topologies[topologyIndx]);
twoDimenArray = ArrayUtils.Transpose(twoDimenArray);
NeoCortexUtils.DrawBitmap(twoDimenArray, OutImgSize, OutImgSize, outputImage);
//NeoCortexUtils.DrawBitmap(twoDimenArray, OutImgSize, OutImgSize, "D:\\Project_Latest\\FromGit\\se-dystsys-2018-2019-softwareengineering\\outputs\\eight");
swActCol.WriteLine("inputOverlaps: " + Helpers.StringifyVector(inputOverlap.ToArray()));
swActCol.WriteLine("outputOverlaps: " + Helpers.StringifyVector(outputOverlap.ToArray()));
}
}
}
}
}
}
//[DataRow("MnistTestImages\\digit7.png", 128, 30)]
public void CalculateSpeedOfLearningTest(string mnistImage, int[] imageSize, int[] topologies)
{
int index1 = mnistImage.IndexOf("\\") + 1;
int index2 = mnistImage.IndexOf(".");
string sub1 = mnistImage.Substring(0, index2);
string sub2 = mnistImage.Substring(0, index1);
string name = mnistImage.Substring(index1, sub1.Length - sub2.Length);
for (int imSizeIndx = 0; imSizeIndx < imageSize.Length; imSizeIndx++)
{
string testName = $"{name}_{imageSize[imSizeIndx]}";
string outputSpeedFile = $"Output\\{testName}_speed.txt";
string inputBinaryImageFile = BinarizeImage("Output\\" + mnistImage, imageSize[imSizeIndx], testName);
for (int topologyIndx = 0; topologyIndx < topologies.Length; topologyIndx++)
{
string finalName = $"{testName}_{topologies[topologyIndx]}";
string outputHamDistFile = $"Output\\{finalName}_hamming.txt";
string outputActColFile = $"Output\\{finalName}_activeCol.txt";
string outputImage = $"Output\\{finalName}.png";
int numOfActCols = 0;
var sw = new Stopwatch();
using (StreamWriter swHam = new StreamWriter(outputHamDistFile))
{
using (StreamWriter swSpeed = new StreamWriter(outputSpeedFile, true))
{
using (StreamWriter swActCol = new StreamWriter(outputActColFile))
{
numOfActCols = topologies[topologyIndx] * topologies[topologyIndx];
var parameters = GetDefaultParams();
parameters.setInputDimensions(new int[] { imageSize[imSizeIndx], imageSize[imSizeIndx] });
parameters.setColumnDimensions(new int[] { topologies[topologyIndx], topologies[topologyIndx] });
parameters.setNumActiveColumnsPerInhArea(0.02 * numOfActCols);
var sp = new SpatialPooler();
var mem = new Connections();
parameters.apply(mem);
sw.Start();
sp.init(mem);
sw.Stop();
swSpeed.WriteLine($"{topologies[topologyIndx]}|{(double)sw.ElapsedMilliseconds / (double)1000}");
int actiColLen = numOfActCols;
int[] activeArray = new int[actiColLen];
//Read input csv file into array
int[] inputVector = NeoCortexUtils.ReadCsvFileTest(inputBinaryImageFile).ToArray();
sw.Restart();
int iterations = 2;
int[] oldArray = new int[activeArray.Length];
for (int k = 0; k < iterations; k++)
{
sp.compute(inputVector, activeArray, true);
var activeCols = ArrayUtils.IndexWhere(activeArray, (el) => el == 1);
var distance = MathHelpers.GetHammingDistance(oldArray, activeArray);
swHam.WriteLine(distance + "\n");
var str = Helpers.StringifyVector(activeCols);
oldArray = new int[actiColLen];
activeArray.CopyTo(oldArray, 0);
}
var activeStr = Helpers.StringifyVector(activeArray);
swActCol.WriteLine("Active Array: " + activeStr);
sw.Stop();
int[,] twoDimenArray = ArrayUtils.Make2DArray <int>(activeArray, topologies[topologyIndx], topologies[topologyIndx]);
twoDimenArray = ArrayUtils.Transpose(twoDimenArray);
NeoCortexUtils.DrawBitmap(twoDimenArray, OutImgSize, OutImgSize, outputImage);
}
}
}
}
}
}
public void TestMethod1()
{
//Arrays initialization
int[] inputX1 = new int[1000];
int[] inputX2 = new int[1000];
int[] outputX1 = new int[2048];
int[] outputX2 = new int[2048];
//feeding inputX1 with random binary numbers
for (int j = 0; j < 1000; j++)
{
var random = new Random();
inputX1[j] = random.Next(0, 2);
}
//Copying inputX1 to inputX2 to get 2 identical vectors
for (int i = 0; i < 1000; i++)
{
inputX2[i] = inputX1[i];
}
// Array containing noise levels (in percentage)
float[] Noise = new float[] { 0, 5, 10, 15, 20, 30, 40, 50, 60, 70, 80, 90, 100 };
// Arrays where input and output overlap results will be stored
double[] percentOverlapArrayInput = new double[Noise.Length];
double[] percentOverlapArrayOutput = new double[Noise.Length];
//Initialization and configuration of the spatial pooler
var parameters = Helpers.GetDefaultParams();
parameters.setInputDimensions(new int[] { 1000 });
parameters.setColumnDimensions(new int[] { 2048 });
var sp = new SpatialPooler();
var mem = new Connections();
parameters.apply(mem);
sp.init(mem);
for (int j = 0; j < Noise.Length; j++)
{
// inputX1 is equivalent to inputX2 before the loop and can be then used as the reference one to which noise will be added
inputX2 = corruptVector(ref inputX1, Noise[j]);
//Feeding outputX1 and outputX2 to the spatial pooler
sp.compute(mem, inputX1, outputX1, false);
sp.compute(mem, inputX2, outputX2, false);
//computing the input and output overlap and putting results in arrays
percentOverlapArrayInput[j] = percentOverlap(inputX1, inputX2);
percentOverlapArrayOutput[j] = percentOverlap(outputX1, outputX2);
}
// Writing the input overlap and output overlap arrays to text files
WriteArrayToFile("OverlapInput.txt", percentOverlapArrayInput);
WriteArrayToFile("OverlapOutput.txt", percentOverlapArrayOutput);
//calling this method here will launch create-plots-Part2b script that will plot graphs with data contained in the files
runPythonCode("OverlapInput.txt", "OverlapOutput.txt");
}
public void CategorySequenceExperiment()
{
bool learn = true;
Parameters p = Parameters.getAllDefaultParameters();
p.Set(KEY.RANDOM, new ThreadSafeRandom(42));
p.Set(KEY.INPUT_DIMENSIONS, new int[] { 100 });
p.Set(KEY.CELLS_PER_COLUMN, 30);
string[] categories = new string[] { "A", "B", "C", "D" };
//string[] categories = new string[] { "A", "B", "C", "D", "E", "F", "G", "H", "I", "K", "L" , "M", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "Ö" };
CortexNetwork net = new CortexNetwork("my cortex");
List <CortexRegion> regions = new List <CortexRegion>();
CortexRegion region0 = new CortexRegion("1st Region");
regions.Add(region0);
SpatialPooler sp1 = new SpatialPooler();
TemporalMemory tm1 = new TemporalMemory();
var mem = new Connections();
p.apply(mem);
sp1.init(mem, UnitTestHelpers.GetMemory());
tm1.init(mem);
Dictionary <string, object> settings = new Dictionary <string, object>();
//settings.Add("W", 25);
settings.Add("N", 100);
//settings.Add("Radius", 1);
EncoderBase encoder = new CategoryEncoder(categories, settings);
//encoder.Encode()
CortexLayer <object, object> layer1 = new CortexLayer <object, object>("L1");
region0.AddLayer(layer1);
layer1.HtmModules.Add("encoder", encoder);
layer1.HtmModules.Add("sp", sp1);
//layer1.HtmModules.Add(tm1);
//layer1.Compute();
//IClassifier<string, ComputeCycle> cls = new HtmClassifier<string, ComputeCycle>();
HtmClassifier <string, ComputeCycle> cls = new HtmClassifier <string, ComputeCycle>();
HtmUnionClassifier <string, ComputeCycle> cls1 = new HtmUnionClassifier <string, ComputeCycle>();
//string[] inputs = new string[] { "A", "B", "C", "D" };
string[] inputs = new string[] { "A", "B", "C", "D" };
//
// This trains SP.
foreach (var input in inputs)
{
Debug.WriteLine($" ** {input} **");
for (int i = 0; i < 3; i++)
{
var lyrOut = layer1.Compute((object)input, learn) as ComputeCycle;
}
}
sp1.Serializer("spCSTSerialized.json");
var sp2 = SpatialPooler.Deserializer("spCSTSerialized.json");
layer1.HtmModules.Remove("sp");
layer1.HtmModules.Add("sp", sp2);
// Here we add TM module to the layer.
layer1.HtmModules.Add("tm", tm1);
//
// Now, training with SP+TM. SP is pretrained on pattern.
for (int i = 0; i < 200; i++)
{
foreach (var input in inputs)
{
var lyrOut = layer1.Compute(input, learn) as ComputeCycle;
//cls1.Learn(input, lyrOut.activeCells.ToArray(), learn);
//Debug.WriteLine($"Current Input: {input}");
cls.Learn(input, lyrOut.ActiveCells.ToArray(), lyrOut.predictiveCells.ToArray());
Debug.WriteLine($"Current Input: {input}");
if (learn == false)
{
Debug.WriteLine($"Predict Input When Not Learn: {cls.GetPredictedInputValue(lyrOut.predictiveCells.ToArray())}");
}
else
{
Debug.WriteLine($"Predict Input: {cls.GetPredictedInputValue(lyrOut.predictiveCells.ToArray())}");
}
Debug.WriteLine("-----------------------------------------------------------\n----------------------------------------------------------");
}
if (i == 10)
{
Debug.WriteLine("Stop Learning From Here----------------------------");
learn = false;
}
// tm1.reset(mem);
}
Debug.WriteLine("------------------------------------------------------------------------\n----------------------------------------------------------------------------");
/*
* learn = false;
* for (int i = 0; i < 19; i++)
* {
* foreach (var input in inputs)
* {
* layer1.Compute((object)input, learn);
* }
* }
*/
sp1.Serialize("tm.serialize.json");
}
public void TestMethod1()
{
//number of binary vectors that will be used to train the SP
int numExamples = 10;
//2 dimensional input vector. Each row will be used as one-dimensional vector
int[,] inputVectors = new int[numExamples, 1000];
//2 dimensional output binary vector
int[,] outputColumns = new int[numExamples, 2048];
//Feeding here the input vector with random binary numbers
for (int i = 0; i < numExamples; i++)
{
for (int k = 0; k < 1000; k++)
{
var random = new Random();
inputVectors[i, k] = random.Next(0, 2);
}
}
//Spatial Pooler initialization and configuration
var parameters = Helpers.GetDefaultParams();
parameters.setInputDimensions(new int[] { 1000 });
parameters.setColumnDimensions(new int[] { 2048 });
var sp = new SpatialPooler();
var mem = new Connections();
parameters.apply(mem);
sp.init(mem);
//One dimensional input vector initialized with binary numbers
int[] inputVector = Helpers.GetRandomVector(1000,
parameters.Get <Random>(KEY.RANDOM));
//Array that will be expose to SP to active some of its columns
int[] activeCols = new int[2048];
//List for active columns scores
List <int> activeColScores = new List <int>();
//Learning is turned off
sp.compute(mem, inputVector, activeCols, false);
//overlaps score of the active columns
var overlaps = sp.calculateOverlap(mem, inputVector);
//Sorting reversely overlaps arrays then writing it to the text file overlapBeforeTraining.txt
overlaps = reverseSort(overlaps);
WriteIntArrayToFile("overlapBeforeTraining.txt", overlaps);
//we put the overlap score of each active column in a list called activeColScores
for (int i = 0; i < 2048; i++)
{
if (activeCols[i] != 0)
{
activeColScores.Add(overlaps[i]);
}
}
int numberOfActivCols = 0;
//counting the number of active columns
foreach (int i in activeColScores)
{
numberOfActivCols = numberOfActivCols + 1;
}
// Array to take the number of active columns to write it to file for plotting purpose
int[] numberOfActiveColumns = new int[] { 1 };
numberOfActiveColumns[0] = numberOfActivCols;
int[] inputVectorsRowk = new int[] { };
int[] outputColumnsRowk = new int[] { };
//number of times the vectors are exposed to the SP
int epochs = 1;
//the "numExamples" input binary vectors are exposed to the SP "epochs" times to train it
for (int i = 0; i < epochs; i++)
{
for (int k = 0; k < numExamples; k++)
{
inputVectorsRowk = GetRow(inputVectors, k);
outputColumnsRowk = GetRow(outputColumns, k);
sp.compute(mem, inputVectorsRowk, outputColumnsRowk, true);
}
}
overlaps = sp.calculateOverlap(mem, inputVectorsRowk);
overlaps = reverseSort(overlaps);
WriteIntArrayToFile("overlapAfterTraining.txt", overlaps);
WriteIntArrayToFile("numberOfActCols.txt", numberOfActiveColumns);
//overlap before and after training , numberOfActCols needed for graphs
runPythonCode2("overlapBeforeTraining.txt", "overlapAfterTraining.txt", "numberOfActCols.txt");
int[,] inputVectorsCorrupted = new int[numExamples, 1000];
int[,] outputColumnsCorrupted = new int[numExamples, 2048];
float[] Noise = new float[] { 0, 5, 10, 15, 20, 30, 40, 50, 60, 70, 80, 90, 100 };
double[] percentOverlapInputs = new double[Noise.Length];
double[] percentOverlapOutputs = new double[Noise.Length];
int[] inputVectorsCorruptedRow0 = GetRow(inputVectorsCorrupted, 0);
int[] inputVectorsRow0 = GetRow(inputVectors, 0);
int[] outputColumnsRow0 = GetRow(outputColumns, 0);
int[] outputColumnsCorruptedRow0 = GetRow(outputColumnsCorrupted, 0);
resetVector(inputVectorsRow0, inputVectorsCorruptedRow0);
for (int i = 0; i < Noise.Length; i++)
{
inputVectorsCorruptedRow0 = corruptVector(ref inputVectorsRow0, Noise[i]);
sp.compute(mem, inputVectorsRow0, outputColumnsRow0, false);
sp.compute(mem, inputVectorsCorruptedRow0, outputColumnsCorruptedRow0, false);
percentOverlapInputs[i] = percentOverlap(inputVectorsRow0, inputVectorsCorruptedRow0);
percentOverlapOutputs[i] = percentOverlap(outputColumnsRow0, outputColumnsCorruptedRow0);
}
WriteDoubleArrayToFile("percentOverlapInputs.txt", percentOverlapInputs);
WriteDoubleArrayToFile("percentOverlapOutputs.txt", percentOverlapOutputs);
runPythonCode1("percentOverlapInputs.txt", "percentOverlapOutputs.txt");
}
public void SerializationTestWithTrainedData()
{
var parameters = GetDefaultParams();
parameters.setInputDimensions(new int[] { 16 * 16 });
parameters.setColumnDimensions(new int[] { 32 * 32 });
parameters.setNumActiveColumnsPerInhArea(0.02 * 32 * 32);
parameters.setMinPctOverlapDutyCycles(0.01);
var mem = new Connections();
parameters.apply(mem);
var sp1 = new SpatialPooler();
sp1.init(mem);
int[] activeArray = new int[32 * 32];
int[] inputVector = Helpers.GetRandomVector(16 * 16, parameters.Get <Random>(KEY.RANDOM));
/* int [] inputVector = {
* 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
* 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
* 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
* 0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,
* 1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,
* 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
* 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
* 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
* 0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,
* 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
* 0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,
* 1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,
* 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
* 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
* 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
* 1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0 };
*
*/
string str1 = String.Empty;
for (int i = 0; i < 5; i++)
{
sp1.compute(inputVector, activeArray, true);
var activeCols1 = ArrayUtils.IndexWhere(activeArray, (el) => el == 1);
str1 = Helpers.StringifyVector(activeCols1);
Debug.WriteLine(str1);
}
/* JsonSerializerSettings settings = new JsonSerializerSettings
* {
*
* DefaultValueHandling = DefaultValueHandling.Include,
* ObjectCreationHandling = ObjectCreationHandling.Auto,
* ReferenceLoopHandling = ReferenceLoopHandling.Serialize,
* ConstructorHandling = ConstructorHandling.AllowNonPublicDefaultConstructor,
* TypeNameHandling = TypeNameHandling.Auto
*
* };
*/
// var jsConverted = JsonConvert.SerializeObject(sp1, Formatting.Indented, settings);
// string file2 = "spSerializeTrain-newtonsoft.json";
// File.WriteAllText(file2, jsConverted);
sp1.Serializer("spTrain1.json");
string ser1 = File.ReadAllText("spTrain1.json");
var sp2 = SpatialPooler.Deserializer("spTrain1.json");
sp2.Serializer("spTrainDes1.json");
string des1 = File.ReadAllText("spTrainDes1.json");
Assert.IsTrue(ser1.SequenceEqual(des1));
// SpatialPooler sp2 = JsonConvert.DeserializeObject<SpatialPooler>(File.ReadAllText(file2), settings);
for (int i = 5; i < 10; i++)
{
sp2.compute(inputVector, activeArray, false);
var activeCols2 = ArrayUtils.IndexWhere(activeArray, (el) => el == 1);
var str2 = Helpers.StringifyVector(activeCols2);
Debug.WriteLine(str2);
Assert.IsTrue(str1.SequenceEqual(str2));
}
sp2.Serializer("spTrain2.json");
string ser2 = File.ReadAllText("spTrain2.json");
// Assert.IsTrue(ser2.SequenceEqual(des1));
/* string serializedSecondPooler = JsonConvert.SerializeObject(sp2, Formatting.Indented, settings);
* string fileSecondPooler = "spSerializeTrain-secondpooler-newtonsoft.json";
* File.WriteAllText(fileSecondPooler, serializedSecondPooler);
*
* SpatialPooler sp3 = JsonConvert.DeserializeObject<SpatialPooler>(File.ReadAllText(fileSecondPooler), settings);
* string serializedThirdPooler = JsonConvert.SerializeObject(sp3, Formatting.Indented, settings);
*
*
* Assert.IsTrue(serializedThirdPooler.SequenceEqual(serializedSecondPooler), "Third and second poolers are not equal");
* Assert.IsTrue(jsConverted.SequenceEqual(serializedSecondPooler), "First and second poolers are not equal");
*/
}
