private void btnContrastGraph_Click(object sender, EventArgs e)
{
if (OriginalImageMatrix != null)
{
int OriginalWidth = int.Parse(txtWidth.Text);
int OriginalHeight = int.Parse(txtHeight.Text);
int ContrastDegree = int.Parse(contrastTextBox.Text);
ZGraphForm ZGF = new ZGraphForm("Contrast Time Execution Graph", "Window Size", "Time (ms)");
if (textBox_MaxWindowSize.Text != "")
{
int maxWindowSize = int.Parse(textBox_MaxWindowSize.Text);
// Make up some data points from contrast image
double[] x_values = new double[maxWindowSize+1];
double[] y_values_Normal = new double[maxWindowSize+1];
double[] y_values_Efficient = new double[maxWindowSize+1];
for (int i = 1; i <= maxWindowSize; i++)
{
x_values[i] = i;
MyColor[,] ResizedImage = ImageOperations.NormalResize(OriginalImageMatrix, OriginalWidth*i, OriginalHeight*i);
ImageOperations.ContrastImage_Normal(ResizedImage, ContrastDegree);
double NormalTime = ImageOperations.elapsedMs;
y_values_Normal[i] = NormalTime;
ImageOperations.ContrastImage_Efficient(ResizedImage, ContrastDegree);
double EfficientTime = ImageOperations.elapsedMs;
y_values_Efficient[i] = EfficientTime;
}
//Create a graph and add two curves to it
ZGF.add_curve("MinMax Normal Algorithm", x_values, y_values_Normal, Color.Red);
ZGF.add_curve("MinMax Efficient Algorithm", x_values, y_values_Efficient, Color.Blue);
ZGF.Show();
}
}
}
private void btnBlurGraph_Click(object sender, EventArgs e)
{
double[] xAxis = { 3, 5, 7, 9, 11, 13, 15, 17 };
double[] yAxisBlurEfficient = new double[8];
double[] yAxisBlurNotEfficient = new double[8];
ZGraphForm graph = new ZGraphForm("Efficient and Non-Efficient Blur Algorithms", "Blur Mask Size", "Execution Time");
for (int i = 0; i < xAxis.Length; i++)
{
MyColor[,] blurredImage = ImageOperations.BlurImage_Efficient(OriginalImageMatrix, (int)xAxis[i]);
yAxisBlurEfficient[i] = ImageOperations.elapsedMs;
}
for (int i = 0; i < xAxis.Length; i++)
{
MyColor[,] blurredImage = ImageOperations.BlurImage_Normal(OriginalImageMatrix, (int)xAxis[i]);
yAxisBlurNotEfficient[i] = ImageOperations.elapsedMs;
}
graph.add_curve("Non-Efficient Blur Algorithm", xAxis, yAxisBlurNotEfficient, Color.Red);
graph.add_curve("Efficient Blur Algorithm", xAxis, yAxisBlurEfficient, Color.Green);
graph.Show();
}
public static void draw(int wMax, GraphType g)
{
byte[,] dummyImage = ImageOperations.OpenImage("..\\..\\..\\..\\Images\\Uniform_and_Salt_Pepper.bmp"); //Using the "tiger" image as a dummy image to use in filtering.
//Call: "(int)numMaxWindow_Graph.Value" as wMax value when you call this method (draw).
ZGraphForm z;
int windowSize = 3;
double[] x;
double[] y;
double[] y2;
int index = 0;
int before;
int after;
int size = ((wMax - 3) / 2) + 1;
if (g == GraphType.ADAPTIVE_MEDIAN)
{
z = new ZGraphForm("Adaptive Median", "Window Size", "Time");
}
else
{
z = new ZGraphForm("Alpha Trim", "Window Size", "Time");
}
x = new double[size];
y = new double[size];
y2 = new double[size];
while (windowSize <= wMax)
{
if (g == GraphType.ADAPTIVE_MEDIAN)
{
AdaptiveMedianFilter adptvMdin;
//using Quick sort
before = System.Environment.TickCount;
adptvMdin = new AdaptiveMedianFilter(dummyImage, windowSize);
adptvMdin.Filter(SortingType.QUICK_SORT);
after = System.Environment.TickCount;
y[index] = after - before;
//using Counting Sort sort
int before2 = System.Environment.TickCount;
adptvMdin = new AdaptiveMedianFilter(dummyImage, windowSize);
adptvMdin.Filter(SortingType.COUNTING_SORT);
int after2 = System.Environment.TickCount;
y2[index] = after2 - before2;
}
else
{
/*OPERATION*/
AlphaTrimFilter alphaTrim = new AlphaTrimFilter(dummyImage); //Using a dummy/empty image here instead of 'ImageMatrix' (the real image object).
//Using KTH ELEMENT:
before = System.Environment.TickCount;
alphaTrim.removeNoise(windowSize, 4, SortingType.KTH_ELEMENT); /*The 0 here is the trim value, constant.*/
after = System.Environment.TickCount;
y[index] = after - before;
//Using COUNTING SORT:
before = System.Environment.TickCount;
alphaTrim.removeNoise(windowSize, 4, SortingType.COUNTING_SORT);
after = System.Environment.TickCount;
y2[index] = after - before;
}
x[index] = windowSize;
windowSize += 2;
index++;
}
if (g == GraphType.ADAPTIVE_MEDIAN)
{
z.add_curve("Quick Sort", x, y, System.Drawing.Color.Black);
z.add_curve("Counting Sort", x, y2, System.Drawing.Color.Crimson);
}
else
{
z.add_curve("Kth Element", x, y, System.Drawing.Color.Black);
z.add_curve("Counting Sort", x, y2, System.Drawing.Color.Crimson);
}
z.Show();
}
