public void OnAddLocalImage()
{
OpenFileDialog fileDialog = new OpenFileDialog();
fileDialog.Filter = "Image Files|*.BMP;*.JPG;*.JPEG,*.PNG";
fileDialog.ShowDialog();
if (fileDialog.CheckFileExists && fileDialog.FileName != "")
{
var result = MessageBox.Show("Чи це кіт?", "Це кіт?", MessageBoxButton.YesNo, MessageBoxImage.Question);
try
{
byte[] selectImageBytes;
using (var selectFileStream = new FileStream(fileDialog.FileName, FileMode.OpenOrCreate))
{
selectImageBytes = new byte[selectFileStream.Length];
selectFileStream.Read(selectImageBytes, 0, (int)selectFileStream.Length);
}
var localImage = LocalImage.GenerateNewLocalFileFromImageTypeAndData(result == MessageBoxResult.Yes ? ImageType.CAT : ImageType.NOT_CAT, selectImageBytes).Result;
LocalImageCollection.Insert(0, localImage);
}
catch
{
MessageBox.Show("Неможливо відкрити файл - " + fileDialog.FileName, "Неможливо відкрити файл!");
}
}
}
public void OnDeleteLocalImage(string filePath)
{
var result = MessageBox.Show("Впевнені, що хочете видалити це зображення?", "Справді?", MessageBoxButton.YesNo, MessageBoxImage.Question);
if (result == MessageBoxResult.Yes)
{
var toDeleteLocalImage = LocalImageCollection.FirstOrDefault(r => r.LocalPath == filePath);
File.Delete(filePath);
LocalImageCollection.Remove(toDeleteLocalImage);
}
}
public void OnDeleteLocalImage(string filePath)
{
var result = MessageBox.Show("Sure you want to delete this image?", "Really?", MessageBoxButton.YesNo, MessageBoxImage.Question);
if (result == MessageBoxResult.Yes)
{
var toDeleteLocalImage = LocalImageCollection.FirstOrDefault(r => r.LocalPath == filePath);
File.Delete(filePath);
LocalImageCollection.Remove(toDeleteLocalImage);
}
}
public void OnConvertRemoteImagesToLocal()
{
if (RemoteImageCollection.Count == 0)
{
MessageBox.Show("Немає зображень у віддаленому списку!", "Додайте зображення з CSV файлу");
return;
}
foreach (var remoteImage in RemoteImageCollection)
{
remoteImage.Uploaded = false;
}
this.GeneratingLocalImagesFromRemote = true;
var standardStatusMessage = "Перетворення Urls в локальні зображення. Будь ласка, зачекайте... ";
this.StatusMessage = standardStatusMessage;
var counter = 0;
Task task = new Task(() =>
{
Parallel.ForEach(RemoteImageCollection, new ParallelOptions()
{
MaxDegreeOfParallelism = 5
}, (remoteImage) => {
remoteImage.UploadInProgress = true;
LocalImage localImage;
try
{
localImage = LocalImage.GenerateLocalImageFromRemote(remoteImage).Result;
}
catch
{
remoteImage.Failed = true;
return;
}
App.Current.Dispatcher.Invoke(() =>
{
LocalImageCollection.Insert(0, localImage);
remoteImage.Uploaded = true;
});
remoteImage.UploadInProgress = false;
counter++;
this.StatusMessage = (standardStatusMessage + (((double)counter / (double)RemoteImageCollection.Count) * 100).ToString("F2") + "%");
});
});
task.Start();
task.ContinueWith(new Action <Task>((task1) => {
this.GeneratingLocalImagesFromRemote = false;
this.StatusMessage = "Готово";
}));
}
public void OnRefreshLocalImagesFromDirectory()
{
loadingLocalFilesTaskCancellationToken = new CancellationTokenSource();
loadingLocalFilesTaskCancellationToken.Token.Register(() =>
{
});
this.LoadingFilesFromDirectory = false;
Task task = new Task(() =>
{
try
{
var standardMessage = "Зчитування з папки. Будь ласка, зачекайте...";
this.LoadingFilesFromDirectory = true;
this.StatusMessage = standardMessage;
App.Current.Dispatcher.Invoke(() =>
{
LocalImageCollection.Clear();
});
var localImages = LocalImage.ReadAllLocalImagesFromDirectory((progress) => {
this.StatusMessage = standardMessage + " Прогрес - " + progress.ToString("0") + "%";
}).OrderBy(r => Path.GetFileName(r.LocalPath));
if (localImages.Count() == 0)
{
MessageBox.Show("Немає зображень у папках", "Немає зображень", MessageBoxButton.OK, MessageBoxImage.Exclamation);
}
App.Current.Dispatcher.Invoke(() =>
{
foreach (var localImage in localImages)
{
LocalImageCollection.Add(localImage);
}
});
this.LoadingFilesFromDirectory = false;
this.StatusMessage = "Готово";
}
catch (LocalImageFileReadException exception)
{
MessageBox.Show("Пошкоджене ім'я файлу - " + exception.FilePath, "Файл пошкоджено, видаліть його!");
this.StatusMessage = "Delete: " + exception.FilePath;
this.LoadingFilesFromDirectory = false;
}
}, loadingLocalFilesTaskCancellationToken.Token);
task.Start();
task.ContinueWith((t) =>
{
this.StatusMessage = "Готово";
this.LoadingFilesFromDirectory = false;
});
}
public void OnConvertRemoteImagesToLocal()
{
if (RemoteImageCollection.Count == 0)
{
MessageBox.Show("No Images in Remote Image List to Download!", "Add Remote Images by CSV File");
return;
}
foreach (var remoteImage in RemoteImageCollection)
{
remoteImage.Uploaded = false;
}
this.GeneratingLocalImagesFromRemote = true;
var standardStatusMessage = "Converting Remote Urls into LocalImages. Please Wait... ";
this.StatusMessage = standardStatusMessage;
var counter = 0;
Task task = new Task(() =>
{
Parallel.ForEach(RemoteImageCollection, new ParallelOptions()
{
MaxDegreeOfParallelism = 5
}, (remoteImage) => {
remoteImage.UploadInProgress = true;
LocalImage localImage;
try
{
localImage = LocalImage.GenerateLocalImageFromRemote(remoteImage).Result;
}
catch
{
remoteImage.Failed = true;
return;
}
App.Current.Dispatcher.Invoke(() =>
{
LocalImageCollection.Insert(0, localImage);
remoteImage.Uploaded = true;
});
remoteImage.UploadInProgress = false;
counter++;
this.StatusMessage = (standardStatusMessage + (((double)counter / (double)RemoteImageCollection.Count) * 100).ToString("F2") + "%");
});
});
task.Start();
task.ContinueWith(new Action <Task>((task1) => {
this.GeneratingLocalImagesFromRemote = false;
this.StatusMessage = "Ready";
}));
}
public void OnRefreshLocalImagesFromDirectory()
{
loadingLocalFilesTaskCancellationToken = new CancellationTokenSource();
loadingLocalFilesTaskCancellationToken.Token.Register(() =>
{
});
this.LoadingFilesFromDirectory = false;
Task task = new Task(() =>
{
try
{
var standardMessage = "Reading from directory. Please Wait...";
this.LoadingFilesFromDirectory = true;
this.StatusMessage = standardMessage;
App.Current.Dispatcher.Invoke(() =>
{
LocalImageCollection.Clear();
});
var localImages = LocalImage.ReadAllLocalImagesFromDirectory((progress) => {
this.StatusMessage = standardMessage + " Progress: " + progress + "%";
}).OrderBy(r => Path.GetFileName(r.LocalPath));
if (localImages.Count() == 0)
{
MessageBox.Show("No Images in the directories", "No Images", MessageBoxButton.OK, MessageBoxImage.Exclamation);
}
App.Current.Dispatcher.Invoke(() =>
{
foreach (var localImage in localImages)
{
LocalImageCollection.Add(localImage);
}
});
this.LoadingFilesFromDirectory = false;
this.StatusMessage = "Ready";
}
catch (LocalImageFileReadException exception)
{
MessageBox.Show("Curropt File Name: " + exception.FilePath, "File Curropt, Delete It");
this.StatusMessage = "Delete: " + exception.FilePath;
this.LoadingFilesFromDirectory = false;
}
}, loadingLocalFilesTaskCancellationToken.Token);
task.Start();
task.ContinueWith((t) =>
{
this.StatusMessage = "Ready";
this.LoadingFilesFromDirectory = false;
});
}
public void OnTrainNeuralNetwork()
{
if (LocalImageCollection.Count == 0)
{
MessageBox.Show("Немає зображень в локальному списку для тестування!", "Додайте зображення");
return;
}
this.GraphData.ClearDataCollection();
trainingTaskCancellationToken = new CancellationTokenSource();
trainingTaskCancellationToken.Token.Register(() =>
{
});
if (NeuralNetwork == null)
{
MessageBox.Show("Нейронна мережа несумісна", "Помилка нейронної мережі");
return;
}
UpdateParametersFromNeuralNetwork();
this.TrainingNeuralNetwork = true;
var trainingProgressMessage = "Тренування в прогресі. Будь ласка, зачекайте... ";
Task task = new Task(() => {
App.Current.Dispatcher.Invoke(() =>
{
this.StatusMessage = trainingProgressMessage;
this.TrainingNeuralNetwork = true;
foreach (var localImage in LocalImageCollection)
{
localImage.TrainingInProgress = true;
localImage.TestFailed = false;
localImage.TestPassed = false;
}
});
var imagesOnEachPage = NeuralNetwork.GetBatchSubSize();
var totalPages = (int)Math.Ceiling((double)LocalImageCollection.Count / (double)imagesOnEachPage);
foreach (var mainIteration in Enumerable.Range(1, MaxIterations))
{
double avrageIterationError = 0;
App.Current.Dispatcher.Invoke(() =>
{
Randomizer.Shuffle(LocalImageCollection);
});
foreach (var currentPage in Enumerable.Range(1, totalPages))
{
double averagePageError = 0;
var currentPageImages = LocalImageCollection.ToPagedList(currentPage, imagesOnEachPage);
(var batchInputs, var batchOutputs) = GetBatchDataFromImages(currentPageImages);
int batchTrainCounter = 0;
NeuralNetwork.BatchTrain(batchInputs, batchOutputs, MaxIterationsOnEachPage, (currentError, pageIteration, message) => {
this.StatusMessage = $"{trainingProgressMessage} Повідомлення: {message}; Ітерація: {mainIteration}; Сторінка: {currentPage}/{totalPages}; Ітерація сторінки: {pageIteration}; Помилка: {currentError}";
foreach (var localImage in currentPageImages)
{
localImage.TrainedIterations = (pageIteration) * (mainIteration);
localImage.TrainingInProgress = true;
}
if (currentError <= StopPageTrainingErrorRate || pageIteration > MaxIterationsOnEachPage)
{
NeuralNetwork.StopBatchTraining();
}
GraphData.AddDataPoint(currentError);
averagePageError += currentError;
batchTrainCounter++;
});
averagePageError /= (double)batchTrainCounter;
GraphData.AddPageChanged();
avrageIterationError += averagePageError;
GC.Collect();
}
GraphData.AddIterationChanged();
avrageIterationError /= totalPages;
if (avrageIterationError < StopIterationTrainingErrorRate)
{
break;
}
}
App.Current.Dispatcher.Invoke(() =>
{
this.StatusMessage = trainingProgressMessage;
});
}, trainingTaskCancellationToken.Token);
task.Start();
task.ContinueWith((t) => {
App.Current.Dispatcher.Invoke(() =>
{
this.StatusMessage = "Готово";
this.TrainingNeuralNetwork = false;
foreach (var localImage in LocalImageCollection)
{
localImage.TrainingInProgress = false;
}
});
});
}
public void OnTrainNeuralNetwork()
{
if (LocalImageCollection.Count == 0)
{
MessageBox.Show("No Images in Local Image List to Train With!", "Add Local Images");
return;
}
this.GraphData.ClearDataCollection();
trainingTaskCancellationToken = new CancellationTokenSource();
trainingTaskCancellationToken.Token.Register(() =>
{
});
if (NeuralNetwork == null)
{
MessageBox.Show("Neural Network Incompatible", "Error in Neural Network");
return;
}
UpdateParametersFromNeuralNetwork();
this.TrainingNeuralNetwork = true;
var trainingProgressMessage = "Training in Progress. Please Wait... ";
Task task = new Task(() => {
App.Current.Dispatcher.Invoke(() =>
{
this.StatusMessage = trainingProgressMessage;
this.TrainingNeuralNetwork = true;
foreach (var localImage in LocalImageCollection)
{
localImage.TrainingInProgress = true;
localImage.TestFailed = false;
localImage.TestPassed = false;
}
});
var imagesOnEachPage = NeuralNetwork.GetBatchSubSize();
var totalPages = (int)Math.Ceiling((double)LocalImageCollection.Count / (double)imagesOnEachPage);
foreach (var mainIteration in Enumerable.Range(1, MaxIterations))
{
double avrageIterationError = 0;
App.Current.Dispatcher.Invoke(() =>
{
Randomizer.Shuffle(LocalImageCollection);
});
foreach (var currentPage in Enumerable.Range(1, totalPages))
{
double averagePageError = 0;
var currentPageImages = LocalImageCollection.ToPagedList(currentPage, imagesOnEachPage);
(var batchInputs, var batchOutputs) = GetBatchDataFromImages(currentPageImages);
int batchTrainCounter = 0;
NeuralNetwork.BatchTrain(batchInputs, batchOutputs, MaxIterationsOnEachPage, (currentError, pageIteration, message) => {
this.StatusMessage = $"{trainingProgressMessage} Message: {message}; Iteration: {mainIteration}; Page: {currentPage}/{totalPages}; Page Iteration: {pageIteration}; Error: {currentError}";
foreach (var localImage in currentPageImages)
{
localImage.TrainedIterations = (pageIteration) * (mainIteration);
localImage.TrainingInProgress = true;
}
if (currentError <= StopPageTrainingErrorRate || pageIteration > MaxIterationsOnEachPage)
{
NeuralNetwork.StopBatchTraining();
}
GraphData.AddDataPoint(currentError);
averagePageError += currentError;
batchTrainCounter++;
});
averagePageError /= (double)batchTrainCounter;
GraphData.AddPageChanged();
avrageIterationError += averagePageError;
GC.Collect();
}
GraphData.AddIterationChanged();
avrageIterationError /= totalPages;
if (avrageIterationError < StopIterationTrainingErrorRate)
{
break;
}
}
App.Current.Dispatcher.Invoke(() =>
{
this.StatusMessage = trainingProgressMessage;
});
}, trainingTaskCancellationToken.Token);
task.Start();
task.ContinueWith((t) => {
App.Current.Dispatcher.Invoke(() =>
{
this.StatusMessage = "Ready";
this.TrainingNeuralNetwork = false;
foreach (var localImage in LocalImageCollection)
{
localImage.TrainingInProgress = false;
}
});
});
}
