/// <summary>
/// Method to generate the analysis data.
/// </summary>
public AnalysisInfo analyse(System.Drawing.Bitmap frameRef, System.Drawing.Bitmap frameProc)
{
AnalysisInfo analyse = null;
if (frameRef != null && frameProc != null)
{
Bitmap resultFrame = new Bitmap(frameRef.Width, frameRef.Height);
double sum = 0;
double sumR = 0;
double sumG = 0;
double sumB = 0;
//int rb = (propertiesView.getRb());
float[] resultValues = new float[4];
for (int i = 0; i < frameRef.Height - 1; i++)
{
for (int j = 0; j < frameRef.Width - 1; j++)
{
int newPixel = 0;
//Get Color from Proc
Color colorProc = frameProc.GetPixel(j, i);
int alphaProc = colorProc.A;
int redProc = colorProc.R;
int greenProc = colorProc.G;
int blueProc = colorProc.B;
//Get Color from Ref
Color colorRef = frameRef.GetPixel(j, i);
int alphaRef = colorRef.A;
int rotRef = colorRef.R;
int grunRef = colorRef.G;
int blauRef = colorRef.B;
//RGB
int newRed = (int)Math.Pow((redProc - rotRef), 2);
int newGreen = (int)Math.Pow((greenProc - grunRef), 2);
int newBlue = (int)Math.Pow((blueProc - blauRef), 2);
sum += newBlue / 3 + newGreen / 3 + newRed / 3;
sumR += newRed;
sumG += newGreen;
sumB += newBlue;
switch (radioButton)
{
case 0:
newPixel = (((alphaProc + alphaRef) / 2) << 24) | (newRed << 16) | (newGreen << 8) | newBlue;
break;
case 1:
newPixel = (((alphaProc + alphaRef) / 2) << 24) | (newRed << 16) | (0 << 8) | 0;
break;
case 2:
newPixel = (((alphaProc + alphaRef) / 2) << 24) | (0 << 16) | (newGreen << 8) | 0;
break;
case 3:
newPixel = (((alphaProc + alphaRef) / 2) << 24) | (0 << 16) | (0 << 8) | newBlue;
break;
}
resultFrame.SetPixel(j, i, Color.FromArgb(newPixel));
}
}
resultValues[0] = (float)sum / (frameProc.Height * frameProc.Width);
resultValues[1] = (float)sumR / (frameProc.Height * frameProc.Width);
resultValues[2] = (float)sumG / (frameProc.Height * frameProc.Width);
resultValues[3] = (float)sumB / (frameProc.Height * frameProc.Width);
analyse = new AnalysisInfo(resultFrame, resultValues);
}
return analyse;
}
/// <summary>
/// Method to generate the analysis data.
/// </summary>
public AnalysisInfo analyse(System.Drawing.Bitmap frameRef, System.Drawing.Bitmap frameProc)
{
Bitmap resultFrame = new Bitmap(frameRef.Width, frameRef.Height);
double summe = 0;
float[] resultValues = new float[1];
for (int i = 0; i < frameRef.Height - 1; i++)
{
for (int j = 0; j < frameRef.Width - 1; j++)
{
int newPixel = 0;
Color colorProc = frameProc.GetPixel(j, i);
int alphaProc = colorProc.A;
int rotProc = colorProc.R;
int grunProc = colorProc.G;
int blauProc = colorProc.B;
Color colorRef = frameRef.GetPixel(j, i);
int alphaRef = colorRef.A;
int rotRef = colorRef.R;
int grunRef = colorRef.G;
int blauRef = colorRef.B;
//RGB
int newRot = (int)Math.Pow((rotProc - rotRef), 2);
int newGrun = (int)Math.Pow((grunProc - grunRef), 2);
int newBlau = (int)Math.Pow((blauProc - blauRef), 2);
summe = summe + newBlau + newGrun + newRot ;
newPixel = (((alphaProc + alphaRef) / 2) << 24) | (newRot << 16) | (newGrun << 8) | newBlau;
resultFrame.SetPixel(j, i, Color.FromArgb(newPixel));
}
}
float mse = (float)summe / (frameProc.Height * frameProc.Width*3);
if(0<=mse&&mse<=1)
{
resultValues[0] = -1;
}
else
{
resultValues[0] = (float)(20*Math.Log10(255)-10*Math.Log10(mse));
}
AnalysisInfo analyse = new AnalysisInfo(resultFrame, resultValues);
return analyse;
}
public static void MyClassInitialize(TestContext testContext)
{
PSNR testMSE = new PSNR();
refBitmap = new Bitmap(100, 100);
for (int height = 0; height < refBitmap.Height; height++)
{
for (int width = 0; width < refBitmap.Width; width++)
{
refBitmap.SetPixel(width, height, Color.White);
width++;
refBitmap.SetPixel(width, height, Color.Black);
width++;
refBitmap.SetPixel(width, height, Color.Red);
width++;
refBitmap.SetPixel(width, height, Color.Green);
width++;
refBitmap.SetPixel(width, height, Color.Blue);
}
}
procBitmap = new Bitmap(100, 100);
for (int width = 0; width < refBitmap.Width; width++)
{
for (int height = 0; height < procBitmap.Height; height++)
{
procBitmap.SetPixel(width, height, Color.White);
height++;
procBitmap.SetPixel(width, height, Color.Black);
height++;
procBitmap.SetPixel(width, height, Color.Red);
height++;
procBitmap.SetPixel(width, height, Color.Green);
height++;
procBitmap.SetPixel(width, height, Color.Blue);
}
}
analysisInfo = testMSE.analyse(refBitmap, procBitmap);
analysedBitmap = analysisInfo.frame;
}