private void EvaluateDigitFromFile()
{
var openFileDialog = new OpenFileDialog
{
InitialDirectory = digitsFolder
};
DialogResult result = openFileDialog.ShowDialog();
if (result == DialogResult.OK)
{
digitsFolder = Path.GetDirectoryName(openFileDialog.FileName);
Bitmap digitImage = (Bitmap)Image.FromFile(openFileDialog.FileName);
digitPictureBox.Image = digitImage;
string digitLabel = Path.GetFileNameWithoutExtension(openFileDialog.FileName).First().ToString();
int correctAnswer = int.Parse(digitLabel);
InputDigit input = InputDigit.FromImage(correctAnswer, digitImage);
double[] normalizedPixels = input.Pixels.Select(p => NormalizeGrayScaleValue(p)).ToArray();
double[] responses = network.Query(normalizedPixels);
DisplayAnswer(responses);
}
}
private void ReadHandwrittenDigit()
{
Bitmap handwrittenDigit = new Bitmap(writingPanel.Width, writingPanel.Height);
writingPanel.DrawToBitmap(handwrittenDigit, new Rectangle(0, 0, writingPanel.Width, writingPanel.Height));
InputDigit input = InputDigit.FromImage(0, handwrittenDigit);
double[] normalizedPixels = input.Pixels.Select(p => NormalizeGrayScaleValue(p)).ToArray();
double[] responses = network.Query(normalizedPixels);
DisplayAnswer(responses);
}