/// <summary>
///
/// </summary>
public void begin_timer3()
{
for (int i = 0; i < 40; i++)
{
obj[i] = new ImgProc();
}
timer3.Start();
}
/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnStart_Click(object sender, EventArgs e)
{
for (int i = 0; i < 40; i++)
{
obj[i] = new ImgProc();
}
clicks = 0;
timer3.Start();
}
/// <summary>
///
/// </summary>
public void pattern_recognition()
{
ImgProc main_obj = new ImgProc();
MarkovModelCalculation hmm_obj = new MarkovModelCalculation();
int count = 39;
System.IO.StreamWriter file = new System.IO.StreamWriter("D:\\images5\\Centroid.txt");
for (int i = 4; i < count; i++)
{
file.WriteLine("Frame {0}: {1}, {2}, Quad: {3}", i, cntr[i, 0], cntr[i, 1], cntr[i, 2]);
}
file.Close();
/* Logic to calculate the state sequence from the captured image frames */
System.IO.StreamWriter file2 = new System.IO.StreamWriter("D:\\images5\\State_seq.txt");
System.IO.StreamWriter file4 = new System.IO.StreamWriter("D:\\images5\\testing_ab.txt");
int beta, a, b, Q;
double alpha;
int[] O = new int[10];
int[] O2 = new int[5];
for (int k = 0; k < 10; k++)
{
O[k] = 1;
if (k % 2 == 0)
{
O2[k / 2] = 1;
}
}
/* for O */
for (int i = 0, j = 0; i <= 24; i += 4, j++)
{
b = cntr[i + 4, 0] - cntr[i, 0];
a = cntr[i + 4, 1] - cntr[i, 1];
if (b == 0)
{
alpha = 90;
}
else
{
alpha = Math.Atan2((Math.Abs(a)), (Math.Abs(b)));
alpha = alpha * 180 / 3.14159;
}
file4.WriteLine("Frame {0}-{1}: a = {2} b: {3} alpha: {4}", i, i + 4, a, b, alpha);
beta = alpha > 45 ? ((90 - alpha > alpha - 45) ? 45 : 90) : ((alpha > 45 - alpha) ? 45 : 0);
if (a >= 0 && b >= 0) //initially 1,2,4,3
{
Q = 4;
}
else if (a >= 0 && b < 0)
{
Q = 3;
}
else if (a < 0 && b >= 0)
{
Q = 1;
}
else
{
Q = 2;
}
switch (beta)
{
case 0: if (Q == 1 || Q == 4)
{
O[j] = 1;
}
else
{
O[j] = 5;
}
break;
case 45: if (Q == 1)
{
O[j] = 8;
}
else if (Q == 2)
{
O[j] = 6;
}
else if (Q == 3)
{
O[j] = 4;
}
else
{
O[j] = 2;
}
break;
case 90: if (Q == 1 || Q == 2)
{
O[j] = 7;
}
else
{
O[j] = 3;
}
break;
}
file2.WriteLine("Frame {0}-{1}: State Value = {2} Beta: {3} Alpha: {4}", i, i + 4, O[j], beta, alpha);
}
file2.Close();
file4.Close();
/* Viterbi Algorithm */
System.IO.StreamWriter file3 = new System.IO.StreamWriter("D:\\images5\\Viterbi_Results.txt");
double prob = 0.0;
int label = 0;
int[][] labels = new int[8][];
int[] final_obs_seq = new int[13];
for (int k = 0, j = 0; k < O.Length; k++, j++)
{
if (k <= 5)
{
final_obs_seq[j] = O[k];
final_obs_seq[++j] = O[k];
}
else if (k == 6)
{
final_obs_seq[j] = O[k];
}
else
{
break;
}
}
for (int j = 0; j < 8; j++)
{
double p = hmm_obj.Evaluate(final_obs_seq, j + 1);
// And select the one which produces the highest probability
if (p > prob)
{
label = j;
prob = p;
}
}
using (StreamWriter xfile = File.AppendText("D:\\images5\\Testing_Results.txt"))
{
int s;
for (s = 0; s < (final_obs_seq.Length) - 1; s++)
{
xfile.Write((final_obs_seq[s] - 1) + "-");
}
xfile.Write((final_obs_seq[s] - 1));
xfile.WriteLine("");
xfile.Close();
}
int[] result2 = labels[label];
for (int i = 0; i < (final_obs_seq.Length); i++)
{
file3.Write(final_obs_seq[i] + " ");
}
file3.WriteLine("\nLabel: " + (label + 1) + " Probability: " + prob);
file3.Close();
label += 1;
System.IO.StreamWriter file5 = new System.IO.StreamWriter("D:\\images5\\O_Count.txt");
for (int new_i = 0; new_i < O.Length; new_i++)
{
file5.WriteLine("O[{0}]: {1}", new_i, O[new_i]);
}
file5.Close();
if (label == 1) //if (O[8] == 1)
{
MessageBox.Show("Left !!");
switch (index)
{
case 0: WMP_Control wmp = new WMP_Control();
wmp.ControlMediaPlayer("PreviousSong");
break;
case 1: WLPG_Control wlpg = new WLPG_Control();
wlpg.ControlPictureViewer("LeftImage");
break;
case 2: Powerpoint pp = new Powerpoint();
pp.ControlPowerpoint("Save");
break;
case 3: Notepad n = new Notepad();
n.ControlNotepad("Save");
break;
case 4: Prezi p = new Prezi();
p.ControlPrezi("Left");
break;
}
}
else if (label == 2)
{
MessageBox.Show("Right !!");
switch (index)
{
case 0: WMP_Control wmp = new WMP_Control();
wmp.ControlMediaPlayer("NextSong");
break;
case 1: WLPG_Control wlpg = new WLPG_Control();
wlpg.ControlPictureViewer("RightImage");
break;
case 2: Powerpoint pp = new Powerpoint();
pp.ControlPowerpoint("Open");
break;
case 3: Notepad n = new Notepad();
n.ControlNotepad("Open");
break;
case 4: Prezi p = new Prezi();
p.ControlPrezi("Right");
break;
}
}
else if (label == 3) //else if (O[8] == 7)
{
MessageBox.Show("Up !!");
switch (index)
{
case 0: WMP_Control wmp = new WMP_Control();
wmp.ControlMediaPlayer("Increase_Vol");
break;
case 1: WLPG_Control wlpg = new WLPG_Control();
wlpg.ControlPictureViewer("Print");
break;
case 2: Powerpoint pp = new Powerpoint();
pp.ControlPowerpoint("Print");
break;
case 3: Notepad n = new Notepad();
n.ControlNotepad("Print");
break;
}
}
else if (label == 4) //else if (O[8] == 3)
{
MessageBox.Show("Down !!");
switch (index)
{
case 0: WMP_Control wmp = new WMP_Control();
wmp.ControlMediaPlayer("Decrease_Vol");
break;
case 1: WLPG_Control wlpg = new WLPG_Control();
wlpg.ControlPictureViewer("Slideshow");
break;
case 2: Powerpoint pp = new Powerpoint();
pp.ControlPowerpoint("Add_Slide");
break;
case 3: Notepad n = new Notepad();
n.ControlNotepad("Selectall");
break;
}
}
else if (label == 5) //else if (O[8] == 3)
{
MessageBox.Show("Semi-Circle Clockwise !!");
switch (index)
{
case 0: WMP_Control wmp = new WMP_Control();
wmp.ControlMediaPlayer("Repeat");
break;
case 1: WLPG_Control wlpg = new WLPG_Control();
wlpg.ControlPictureViewer("Zoom_In");
break;
case 2: Powerpoint pp = new Powerpoint();
pp.ControlPowerpoint("Slideshow_Next");
break;
case 3: Notepad n = new Notepad();
n.ControlNotepad("Find");
break;
}
}
else if (label == 6)
{
MessageBox.Show("Semi-Circle Anticlockwise !!");
switch (index)
{
case 0: WMP_Control wmp = new WMP_Control();
wmp.ControlMediaPlayer("Shuffle");
break;
case 1: WLPG_Control wlpg = new WLPG_Control();
wlpg.ControlPictureViewer("Zoom_Out");
break;
case 2: Powerpoint pp = new Powerpoint();
pp.ControlPowerpoint("Slideshow_Previous");
break;
case 3: Notepad n = new Notepad();
n.ControlNotepad("Replace");
break;
}
}
else if (label == 7)
{
MessageBox.Show("Circle Clockwise !!");
switch (index)
{
case 0: WMP_Control wmp = new WMP_Control();
wmp.ControlMediaPlayer("Play/Pause");
break;
case 1: WLPG_Control wlpg = new WLPG_Control();
wlpg.ControlPictureViewer("Rotate_Clock");
break;
case 2: Powerpoint pp = new Powerpoint();
pp.ControlPowerpoint("Slideshow_Begin");
break;
case 3: Notepad n = new Notepad();
n.ControlNotepad("Highlight");
break;
}
}
else if (label == 8)
{
MessageBox.Show("Circle Anti-Clockwise !!");
switch (index)
{
case 0: WMP_Control wmp = new WMP_Control();
wmp.ControlMediaPlayer("Stop");
break;
case 1: WLPG_Control wlpg = new WLPG_Control();
wlpg.ControlPictureViewer("Rotate_Anti");
break;
case 2: Powerpoint pp = new Powerpoint();
pp.ControlPowerpoint("Slideshow_End");
break;
case 3: Notepad n = new Notepad();
n.ControlNotepad("Time_Date");
break;
}
}
else
{
MessageBox.Show("Processing Completed. Gesture Not Recognized !");
}
}