private void newAnalyzeitWindowMenuItem_Click(object sender, EventArgs e)
{
var frm = new AnalyzeitForm {
StartPosition = FormStartPosition.Manual,
Width = Width,
Height = Height,
Location = new Point(Location.X + Width - 13, Location.Y)
};
frm.Show();
}
public async Task Run(AnalyzeitForm owningForm)
{
var stepOne = new ScriptStartInfo(_stepOnePath, _pyExePath, onDataReceived: owningForm.OnScriptDataReceived);
await Task.Run(() => ScriptDaemon.ExecuteScript(owningForm, stepOne, true));
var test = csv_calculateStandardDeviationfromColum(_scriptDir + _outputFilenameStep1, 1, true);
var testMean = csv_calculateMeanfromColumn(_scriptDir + _outputFilenameStep1, 1, true);
var test2 = csv_calculateStandardDeviationfromColum(_scriptDir + _outputFilenameStep1, 2, true);
var test2Mean = csv_calculateMeanfromColumn(_scriptDir + _outputFilenameStep1, 2, true);
owningForm.WriteLine("Standard dev - Max Pixels : " + test, Color.Blue);
owningForm.WriteLine("Mean - Max Pixels : " + testMean, Color.Blue);
owningForm.WriteLine("Standard dev - otsu threshold: " + test2, Color.Blue);
owningForm.WriteLine("Mean - otsu threshold: " + test2Mean, Color.Blue);
}
public async Task Run(AnalyzeitForm owningForm)
{
await Task.Run(() => {
if (_outputPath.GetLast(1) != @"\")
{
_outputPath += @"\";
}
if (_inputPath.GetLast(1) != @"\")
{
_inputPath += @"\";
}
_logPath = _outputPath + "pixelIntensity.csv";
owningForm.WriteLine("Beginning Pixel Intensity test...", Color.Blue);
owningForm.WriteLine($" Threshold intensity: {_imgThreshold}...", Color.Blue);
owningForm.WriteLine($" Original images: {_inputPath}...", Color.Blue);
owningForm.WriteLine($" Modified images: {_outputPath}...", Color.Blue);
owningForm.WriteLine($" Data Path: {_logPath}...", Color.Blue);
//create necessary directories and object initialization
Directory.CreateDirectory(_outputPath);
//Add headers to our data file.
using (var file = new StreamWriter(_logPath, false))
{
file.WriteLine("Image, Otsu I, Thr I, Avg. I > Thr, Max I, > Otsu I, > Thr I, > 10% I, > 20% I, > 30% I, > 40% I, >50% I, >60% I");
}
owningForm.WriteLine(" Test prep complete. Starting...", Color.Blue);
});
//stuff for progress bar
double totalProgress = 0;
double progressStep = 100.0 / Directory.GetFiles(_inputPath, _imgFlag, SearchOption.AllDirectories).Length;
int lastPercentComplete = -1;
int percentComplete;
//Create a parallel task - 8 maximum threads, goes through all images and analyzes the grayscale intensity of each pixel,
// Also applies a manual threshold of OurThreshold to each image - any pixel above threshold gets flipped to RGB(255,255,255)
await Task.Run(() => Parallel.ForEach(Directory.GetFiles(_inputPath, _imgFlag, SearchOption.AllDirectories),
new ParallelOptions {
MaxDegreeOfParallelism = 8
}, inputImage => {
try
{
using (var inputBitmap = new Bitmap(inputImage))
{
Console.WriteLine($"Processing {Path.GetFileName(inputImage)}...");
var currentOtsuIntensity =
double.Parse(GetGrayScaleIntensity(_otsu.GetOtsuThreshold(inputBitmap)).ToString("F2"));
var pixelsOverOtsu = 0;
var pixelsOverThreshold = 0;
var pixelsOver10Percent = 0;
var pixelsOver20Percent = 0;
var pixelsOver30Percent = 0;
var pixelsOver40Percent = 0;
var pixelsOver50Percent = 0;
var pixelsOver60Percent = 0;
double mostIntensePixelIntensity = 0;
using (var outputBitmap = new Bitmap(inputImage))
{
var inData = inputBitmap.LockBits(new Rectangle(0, 0, inputBitmap.Width, inputBitmap.Height),
ImageLockMode.ReadOnly, inputBitmap.PixelFormat);
var outData = outputBitmap.LockBits(new Rectangle(0, 0, inputBitmap.Width, inputBitmap.Height),
ImageLockMode.WriteOnly, inputBitmap.PixelFormat);
var bitsPerPixel = Image.GetPixelFormatSize(inputBitmap.PixelFormat);
var overThresholdCount = 0;
double overThresholdSum = 0;
unsafe
{
var inScan0 = (byte *)inData.Scan0.ToPointer();
var outScan0 = (byte *)outData.Scan0.ToPointer();
for (var y = 0; y < inData.Height; ++y)
{
for (var x = 0; x < inData.Width; ++x)
{
var incoming = inScan0 + y * inData.Stride + x * bitsPerPixel / 8;
var outgoing = outScan0 + y * inData.Stride + x * bitsPerPixel / 8;
var currentPixelIntensity = GetGrayScaleIntensity(incoming[0], incoming[1], incoming[2]);
if (currentPixelIntensity > mostIntensePixelIntensity)
{
mostIntensePixelIntensity = double.Parse(currentPixelIntensity.ToString("F2"));
}
if (currentPixelIntensity > 60)
{
pixelsOver60Percent++;
}
else if (currentPixelIntensity > 50)
{
pixelsOver50Percent++;
}
else if (currentPixelIntensity > 40)
{
pixelsOver40Percent++;
}
else if (currentPixelIntensity > 30)
{
pixelsOver30Percent++;
}
else if (currentPixelIntensity > 20)
{
pixelsOver20Percent++;
}
else if (currentPixelIntensity > 10)
{
pixelsOver10Percent++;
}
else if (currentPixelIntensity > _imgThreshold)
{
pixelsOverThreshold++;
}
else if (currentPixelIntensity > currentOtsuIntensity)
{
pixelsOverOtsu++;
}
outgoing[0] = currentPixelIntensity > _imgThreshold ? (byte)255 : incoming[0];
outgoing[1] = currentPixelIntensity > _imgThreshold ? (byte)255 : incoming[1];
outgoing[2] = currentPixelIntensity > _imgThreshold ? (byte)255 : incoming[2];
if (!(currentPixelIntensity > _imgThreshold))
{
continue;
}
overThresholdSum += currentPixelIntensity;
overThresholdCount++;
}
}
}
inputBitmap.UnlockBits(inData);
outputBitmap.UnlockBits(outData);
var averageIntensityOverThreshold =
double.Parse((overThresholdSum / overThresholdCount).ToString("F2"));
//Save the output image
var outputFile = _outputPath + Path.GetFileName(inputImage);
outputBitmap.Save(outputFile);
//Add data for current image to log
lock (Locker)
{
using (var file = new StreamWriter(_logPath, true))
{
file.WriteLine(
$"{Path.GetFileName(inputImage)}, {currentOtsuIntensity},{_imgThreshold},{averageIntensityOverThreshold}, " +
$"{mostIntensePixelIntensity},{pixelsOverOtsu}, {pixelsOverThreshold}, {pixelsOver10Percent}, {pixelsOver20Percent}, " +
$"{pixelsOver30Percent}, {pixelsOver40Percent}, {pixelsOver50Percent}, {pixelsOver60Percent}");
}
totalProgress += progressStep;
percentComplete = (int)Math.Floor(totalProgress);
if (lastPercentComplete != percentComplete)
{
owningForm.OnProgressUpdate(percentComplete);
}
lastPercentComplete = percentComplete;
}
}
}
}
catch (Exception e) {
owningForm.WriteLine($"Error.. File: {inputImage}. More info: {e.Message}... {e.InnerException?.Message}.", Color.Red);
}
}));
FileUtilities.IntegralCsvSort(_logPath, 0, true);
owningForm.WriteLine("Pixel Intensity analysis complete.", Color.Blue);
}
