/*
* Die mit Herrn Waack besprochene Version des Projektzyklus zum Testen der verschiedenen Trainingsvarianten von OLM
*
*
*/
public void RunCycle(TrainingEvaluationCycleInputParameters inputParameters)
{
#region Schritt 0: Vorbereiten der Daten
// Zwischenspeichern von viel genutzten Variablen zur Übersichtlichkeit:
var inputGraph = inputParameters.Graph;
var graphList = new List <GWGraph <CRFNodeData, CRFEdgeData, CRFGraphData> >();
// Graphen erzeugen
for (int i = 0; i < inputParameters.NumberOfGraphInstances; i++)
{
var newGraph = inputGraph.Clone(nd => new CRFNodeData()
{
X = nd.Data.X, Y = nd.Data.Y, Z = nd.Data.Z
}, ed => new CRFEdgeData(), gd => new CRFGraphData());
graphList.Add(newGraph);
}
// Erzeugung der benötigten Objekte:
seedingMethodPatchCreation = new SeedingMethodPatchCreation(inputParameters.NumberOfSeedsForPatchCreation, inputParameters.MaximumTotalPatchSize);
#endregion
#region Schritt 1: Referenzlabelings erzeugen.
int[][] referenceLabelings = new int[inputParameters.NumberOfGraphInstances][];
for (int i = 0; i < inputParameters.NumberOfGraphInstances; i++)
{
seedingMethodPatchCreation.CreatePatchAndSetAsReferenceLabel(graphList[i]);
if (i == 0 && GraphVisalization == true)
{
var graph3D = graphList[i].Wrap3D(nd => new Node3DWrap <CRFNodeData>(nd.Data)
{
ReferenceLabel = nd.Data.ReferenceLabel, X = nd.Data.X, Y = nd.Data.Y, Z = nd.Data.Z
}, (ed) => new Edge3DWrap <CRFEdgeData>(ed.Data)
{
Weight = 1.0
});
new ShowGraph3D(graph3D).Request();
}
}
#endregion
#region Schritt 2: Beobachtungen erzeugen (und Scores)
var createObservationsUnit = new CreateObservationsUnit(inputParameters.TransitionProbabilities);
var isingModel = new IsingModel(inputParameters.IsingConformityParameter, inputParameters.IsingCorrelationParameter);
for (int i = 0; i < inputParameters.NumberOfGraphInstances; i++)
{
var graph = graphList[i];
createObservationsUnit.CreateObservation(graph);
//graph.Data.Observations = observation;
// zugehörige Scores erzeugen
isingModel.CreateCRFScore(graph);
if (i == 0)
{
var graph3D = graph.Wrap3D();
new ShowGraph3D(graph3D).Request();
}
}
#endregion
#region Schritt 3: Aufteilen der Daten in Evaluation und Training
// Verhaeltnis: 50 50
int separation = inputParameters.NumberOfGraphInstances / 2;
var testGraphs = new List <IGWGraph <ICRFNodeData, ICRFEdgeData, ICRFGraphData> >
(new IGWGraph <ICRFNodeData, ICRFEdgeData, ICRFGraphData> [separation]);
var evaluationGraphs = new List <GWGraph <CRFNodeData, CRFEdgeData, CRFGraphData> >
(new GWGraph <CRFNodeData, CRFEdgeData, CRFGraphData> [inputParameters.NumberOfGraphInstances - separation]);
for (int i = 0; i < separation; i++)
{
testGraphs[i] = graphList[i];
}
int k = 0;
for (int j = separation; j < inputParameters.NumberOfGraphInstances; j++)
{
evaluationGraphs[k++] = graphList[j];
}
#endregion
#region Schritt 4: Die verschiedenen Varianten von OLM trainieren und evaluieren
// object for evaluation
var evaluationResults = new Dictionary <OLMVariant, OLMEvaluationResult>();
foreach (var trainingVariant in inputParameters.TrainingVariantsToTest)
{
evaluationResults.Add(trainingVariant, new OLMEvaluationResult());
#region Schritt 4.1: Training der OLM-Variante
{
var request = new OLMRequest(trainingVariant, testGraphs);
request.BasisMerkmale.AddRange(new IsingMerkmalNode(), new IsingMerkmalEdge());
//TODO: loss function auslagern
request.LossFunctionValidation = (a, b) =>
{
var loss = 0.0;
for (int i = 0; i < a.Length; i++)
{
loss += a[i] != b[i] ? 1 : 0;
}
return(loss / a.Length);
};
request.Request();
var olmResult = request.Result;
// update Ising parameters in IsingModel
isingModel.ConformityParameter = olmResult.ResultingWeights[0];
isingModel.CorrelationParameter = olmResult.ResultingWeights[1];
// zugehörige Scores erzeugen für jeden Graphen (auch Evaluation)
foreach (var graph in graphList)
{
isingModel.CreateCRFScore(graph);
}
}
#endregion
#region Schritt 4.2: Evaluation der OLM-Variante
var keys = new ComputeKeys();
var results = new OLMEvaluationResult();
results.ConformityParameter = isingModel.ConformityParameter;
results.CorrelationParameter = isingModel.CorrelationParameter;
// 1) Viterbi-Heuristik starten (request: SolveInference) + zusätzliche Parameter hinzufügen
for (int graph = 0; graph < evaluationGraphs.Count; graph++)
{
var request2 = new SolveInference(evaluationGraphs[graph], inputParameters.NumberOfLabels,
inputParameters.BufferSizeViterbi);
request2.RequestInDefaultContext();
// 2) Ergebnis des request auswerten (request.Solution liefert ein Labeling)
int[] predictionLabeling = request2.Solution.Labeling;
// 3) Ergebnisse aller Evaluationsgraphen auswerten (TP, TN, FP, FN, MCC) und zwischenspeichern
// neues Objekt, damit in Schritt 5 darauf zugegriffen werden kann.
var result = keys.computeEvalutionGraphResult(evaluationGraphs[graph], predictionLabeling);
// einfügen in Dictionary -> Liste
evaluationResults[trainingVariant].GraphResults.Add(result);
}
// Berechnen der Average-Werte
foreach (OLMVariant variant in evaluationResults.Keys)
{
results.ComputeValues(evaluationResults[trainingVariant]);
}
// debug output
Log.Post("Average Values");
Log.Post("Sensitivity: " + evaluationResults[trainingVariant].AverageSensitivity +
"\t Specificy: " + evaluationResults[trainingVariant].AverageSpecificity +
"\t MCC: " + evaluationResults[trainingVariant].AverageMCC +
//"\t Accuracy: " + evaluationResults[trainingVariant].AverageAccuracy +
"\t TotalTP: " + evaluationResults[trainingVariant].TotalTP + "\n");
#endregion
}
#endregion
#region Schritt 5: Ergebnisse präsentieren und speichern
// output of the keys
//outputKeys(evaluation, inputParameters, evaluationGraphs);
// output of the labels
//outputLabelingsScores(graphList, inputParameters);
// TODO: Marlon
// graphische Ausgabe
var olmPresentationRequest = new ShowOLMResult(evaluationResults.Values.ToList());
//foreach (var variant in evaluationResults.Keys)
//{
// //foreach (var graphresult in evaluationResults[variant].GraphResults)
// //{
// // //var graph = graphresult.Graph;
// //}
//}
olmPresentationRequest.Request();
#endregion
}
/*
* Die mit Herrn Waack besprochene Version des Projektzyklus zum Testen der verschiedenen Trainingsvarianten von OLM
*
*
*/
public void RunCycle(TrainingEvaluationCycleInputParameters inputParameters)
{
#region Schritt 1: Vorbereiten der Daten
var graphList = inputParameters.Graphs;
int numberOfLabels = inputParameters.NumberOfLabels;
int numberOfIntervals = inputParameters.NumberOfIntervals;
#endregion
#region Schritt 2: Beobachtungen erzeugen (und Scores)
// var createObservationsUnit = new CreateObservationsUnit(inputParameters.Threshold);
var createObservationsUnit = new CreateObservationsUnit(inputParameters.TransitionProbabilities);
if (UseIsingModel)
{
Log.Post("Ising-Model");
}
else
{
Log.Post("Potts-Model with " + inputParameters.NumberOfIntervals + " Intervals");
}
var isingModel = new IsingModel(inputParameters.IsingConformityParameter, inputParameters.IsingCorrelationParameter);
//var pottsModel = new PottsModel(inputParameters.PottsConformityParameters, inputParameters.IsingCorrelationParameter,
// inputParameters.AmplifierControlParameter, inputParameters.NumberOfLabels);
var pottsModel = new PottsModelComplex(inputParameters.PottsConformityParameters, inputParameters.PottsCorrelationParameters,
inputParameters.AmplifierControlParameter, inputParameters.NumberOfLabels);
for (int i = 0; i < inputParameters.NumberOfGraphInstances; i++)
{
var graph = graphList[i];
createObservationsUnit.CreateObservation(graph);
//createObservationsUnit.CreateObservationThresholding(graph);
// zugehörige Scores erzeugen
if (UseIsingModel)
{
isingModel.CreateCRFScore(graph);
}
else
{
pottsModel.InitCRFScore(graph);
}
if (i == 0 && GraphVisualization == true)
{
var graph3D = graph.Wrap3D();
new ShowGraph3D(graph3D).Request();
}
}
#endregion
#region Schritt 3: Aufteilen der Daten in Evaluation und Training
// Verhaeltnis: 80 20
int separation = inputParameters.NumberOfGraphInstances - inputParameters.NumberOfGraphInstances / 5;
// Verhältnis Leave-one-out
//int separation = inputParameters.NumberOfGraphInstances - 1;
var trainingGraphs = new List <IGWGraph <ICRFNodeData, ICRFEdgeData, ICRFGraphData> >
(new IGWGraph <ICRFNodeData, ICRFEdgeData, ICRFGraphData> [separation]);
var evaluationGraphs = new List <GWGraph <CRFNodeData, CRFEdgeData, CRFGraphData> >
(new GWGraph <CRFNodeData, CRFEdgeData, CRFGraphData> [inputParameters.NumberOfGraphInstances - separation]);
var randomizedGraphList = graphList.RandomizeOrder().ToList();
for (int i = 0; i < separation; i++)
{
trainingGraphs[i] = randomizedGraphList[i];
//trainingGraphs[i] = graphList[i];
}
int k = 0;
for (int j = separation; j < inputParameters.NumberOfGraphInstances; j++, k++)
{
evaluationGraphs[k] = randomizedGraphList[j];
//evaluationGraphs[i] = graphList[i];
}
Log.Post("Evaluation Graph ID: " + evaluationGraphs[0].Id);
#endregion
#region Schritt 4: Die verschiedenen Varianten von OLM trainieren und evaluieren
// object for evaluation
var evaluationResults = new Dictionary <OLMVariant, OLMEvaluationResult>();
foreach (var trainingVariant in inputParameters.TrainingVariantsToTest)
{
evaluationResults.Add(trainingVariant, new OLMEvaluationResult());
#region Schritt 4.1: Training der OLM-Variante
{
var request = new OLMRequest(trainingVariant, trainingGraphs);
if (UseIsingModel)
{
request.BasisMerkmale.AddRange(new IsingMerkmalNode(), new IsingMerkmalEdge());
}
else
{
request.BasisMerkmale.AddRange(pottsModel.AddNodeFeatures(graphList, numberOfIntervals));
//request.BasisMerkmale.Add(new IsingMerkmalEdge());
request.BasisMerkmale.AddRange(pottsModel.AddEdgeFeatures(graphList, numberOfIntervals));
}
// loss function
request.LossFunctionIteration = OLM.OLM.LossRatio;
request.LossFunctionValidation = OLM.OLM.LossRatio;
// execute training methods by calling OLMManager -> OLMBase
request.Request();
var olmResult = request.Result;
// update parameters in PottsModel
if (UseIsingModel)
{
isingModel.ConformityParameter = olmResult.ResultingWeights[0];
isingModel.CorrelationParameter = olmResult.ResultingWeights[1];
}
else
{
int i = 0;
for (i = 0; i < pottsModel.ConformityParameter.Length; i++)
{
pottsModel.ConformityParameter[i] = olmResult.ResultingWeights[i];
}
//pottsModel.CorrelationParameter = olmResult.ResultingWeights[numberOfIntervals * 2];
for (int j = 0; j < pottsModel.CorrelationParameter.Length; j++)
{
pottsModel.CorrelationParameter[j] = olmResult.ResultingWeights[i++];
}
}
// zugehörige Scores erzeugen für jeden Graphen (auch Evaluation)
foreach (var graph in graphList)
{
if (UseIsingModel)
{
isingModel.CreateCRFScore(graph);
}
else
{
pottsModel.CreateCRFScore(graph, request.BasisMerkmale);
}
}
}
#endregion
#region Schritt 4.2: Evaluation der OLM-Variante
var keys = new ComputeKeys();
var results = new OLMEvaluationResult();
if (UseIsingModel)
{
results = new OLMEvaluationResult
{
ConformityParameter = isingModel.ConformityParameter,
CorrelationParameter = isingModel.CorrelationParameter
};
}
else
{
results = new OLMEvaluationResult
{
ConformityParameters = pottsModel.ConformityParameter,
// CorrelationParameter = pottsModel.CorrelationParameter
CorrelationParameters = pottsModel.CorrelationParameter
};
}
if (UseIsingModel)
{
Log.Post("Conformity: " + results.ConformityParameter + "\t Correlation: " + results.CorrelationParameter);
}
else
{
for (int i = 0; i < results.ConformityParameters.Length; i++)
{
Log.Post("Conformity " + i + ": " + results.ConformityParameters[i] + "\t");
}
Log.Post("Correlation: " + results.CorrelationParameter);
}
// 1) Viterbi-Heuristik starten (request: SolveInference) + zusätzliche Parameter hinzufügen
for (int graph = 0; graph < evaluationGraphs.Count; graph++)
{
var request2 = new SolveInference(evaluationGraphs[graph], inputParameters.NumberOfLabels,
inputParameters.BufferSizeViterbi);
request2.RequestInDefaultContext();
// 2) Ergebnis des request auswerten (request.Solution liefert ein Labeling)
int[] predictionLabeling = request2.Solution.Labeling;
// 3) Ergebnisse aller Evaluationsgraphen auswerten (TP, TN, FP, FN, MCC) und zwischenspeichern
// neues Objekt, damit in Schritt 5 darauf zugegriffen werden kann.
var result = keys.computeEvalutionGraphResult(evaluationGraphs[graph], predictionLabeling);
// einfügen in Dictionary -> Liste
evaluationResults[trainingVariant].GraphResults.Add(result);
}
// Berechnen der Average-Werte
foreach (OLMVariant variant in evaluationResults.Keys)
{
results.ComputeValues(evaluationResults[trainingVariant]);
}
// debug output
Log.Post("Average Values");
Log.Post("Sensitivity: " + evaluationResults[trainingVariant].AverageSensitivity +
"\t Specificy: " + evaluationResults[trainingVariant].AverageSpecificity +
"\t MCC: " + evaluationResults[trainingVariant].AverageMCC +
//"\t Accuracy: " + evaluationResults[trainingVariant].AverageAccuracy +
"\t TotalTP: " + evaluationResults[trainingVariant].TotalTP +
"\t TotalFP: " + evaluationResults[trainingVariant].TotalFP +
"\t TotalTN: " + evaluationResults[trainingVariant].TotalTN +
"\t TotalFN: " + evaluationResults[trainingVariant].TotalFN);
#endregion
}
#endregion
}
