/*
* Creates bound box that contains all the points
*/
public static BoundBox getBoundBox(VectorOfPoint points)
{
int smallestX = points[0].X;
int smallestY = points[0].Y;
int largestX = points[0].X;
int largestY = points[0].Y;
for (int i = 1; i < points.Size; i++)
{
if (points[i].X < smallestX)
{
smallestX = points[i].X;
}
if (points[i].Y < smallestY)
{
smallestY = points[i].Y;
}
if (points[i].X > largestX)
{
largestX = points[i].X;
}
if (points[i].Y > largestY)
{
largestY = points[i].Y;
}
}
BoundBox res = new BoundBox(smallestX, smallestY, largestX, largestY);
return(res);
}
private void UniqueIdentifier_DoWork(object sender, DoWorkEventArgs e)
{
BackgroundWorker worker = sender as BackgroundWorker;
VectorOfVectorOfPoint objectContours = (VectorOfVectorOfPoint)e.Argument;
int size = objectContours.Size;
int state = 0;
worker.ReportProgress(state);
//Generate a boundbox for each countour
BoundBox[] boundBoxes = new BoundBox[size];
for (int i = 0; i < size; i++)
{
boundBoxes[i] = ImageManipulation.getBoundBox(objectContours[i]);
}
worker.ReportProgress(++state);
//Create set of offsetted countours for image generation
VectorOfVectorOfPoint offsetObjects = new VectorOfVectorOfPoint(size);
for (int i = 0; i < size; i++)
{
offsetObjects.Push(ImageManipulation.offsetContour(objectContours[i], boundBoxes[i].TopLeft));
}
worker.ReportProgress(++state);
//create images of each of the contours
Image <Bgr, Byte>[] images = new Image <Bgr, byte> [size];
for (int i = 0; i < size; i++)
{
BoundBox box = boundBoxes[i];
images[i] = new Image <Bgr, byte>(box.Width, box.Height, new Bgr(255, 255, 255));
CvInvoke.DrawContours(images[i], offsetObjects[i], -1, new MCvScalar(0, 0, 0));
}
worker.ReportProgress(++state);
e.Result = objectContours;
//TODO (Anthony): Extract keypoints and compare rest of images
}
private void Generator_DoWork(object sender, DoWorkEventArgs e)
{
DataPass data = (DataPass)e.Argument;
//e.Result = result;
Random randomGen = new Random(data.settings.Seed);;
GaussianRandom gausRandomGen = new GaussianRandom(data.settings.Seed);
Dictionary <String, Detector[]> detectors = new Dictionary <string, Detector[]>();
//Generate detectors
foreach (String currentImage in data.inputData.Keys)
{
detectors.Add(currentImage, new Detector[data.settings.NumberOfNegativeDetectors]);
for (int i = 0; i < data.settings.NumberOfNegativeDetectors; i++)
{
int attempts = 0;
bool found = false;
while (!found && attempts < 10)
{
attempts++; // To prevent infinite loop
//TODO (Anthony): Width and height should be individual per image
int randomX = randomGen.Next(0, data.settings.Width);
int randomY = randomGen.Next(0, data.settings.Height);
//TODO (Anthony): Setting perhaps?
int radius = randomGen.Next(10, 50);
int doubleRadius = radius * radius;
Detector newDetector = new Detector(randomX, randomY, radius);
int numDetectSelf = 0;
//check for collisions with points in each image
foreach (System.Drawing.Point[] currentObjectList in data.inputData[currentImage].ToArrayOfArray()) // loop over each object in image
{
foreach (System.Drawing.Point point in currentObjectList) // loop over each point
{
//check if detect self
if (Math.Pow(point.X - randomX, 2) + Math.Pow(point.Y - randomY, 2) < doubleRadius)
{
numDetectSelf++;
}
}
}
//TODO (Anthony): Detting for maximum self detection
if (numDetectSelf < 10)
{
found = true;
detectors[currentImage][i] = newDetector;
}
/*
* //check for overlap with other detectors
* for (int k = 0; k < i;k++)
* {
*
* }
*/
}
}
}
//start generation and mutation
//Step 1: generate initial
//Step 2: mutate according to affinities
//Step 3: calculate affinities
//Step 4: Select best
//Step 5: go to step 2 and repeat
BoundBox[] sizes = new BoundBox[data.objects.Size];
for (int i = 0; i < sizes.Length; i++)
{
sizes[i] = ImageManipulation.getBoundBox(data.objects[i]);
}
int numImagesClones = 20;
//list of integer and vector of vector of points, where int is the affinities and VectorOfVectorOfPoint is each objects in scene
List <Tuple <int, Emgu.CV.Util.VectorOfVectorOfPoint> > imagesObjects = new List <Tuple <int, Emgu.CV.Util.VectorOfVectorOfPoint> >();
Emgu.CV.Util.VectorOfPoint[] objects = new Emgu.CV.Util.VectorOfPoint[data.settings.NumberOfObjects];
for (int k = 0; k < numImagesClones; k++)
{
//generate image with affinity of zero
int affinity = 0;
for (int i = 0; i < data.settings.NumberOfObjects; i++)
{
int objectIndex = randomGen.Next(data.objects.Size);
int shiftX = Math.Max(0, data.settings.Width - sizes[objectIndex].Width);
int shiftY = Math.Max(0, data.settings.Height - sizes[objectIndex].Height);
objects[i] = ImageManipulation.offsetContour(data.objects[objectIndex], new System.Drawing.Point(randomGen.Next(shiftX), randomGen.Next(shiftY)));
}
imagesObjects.Add(new Tuple <int, Emgu.CV.Util.VectorOfVectorOfPoint>(affinity, new Emgu.CV.Util.VectorOfVectorOfPoint(objects)));
}
int maxIterations = 5;
int loopCounter = 0;
bool perfected = false;
while (loopCounter < maxIterations && !perfected)
{
loopCounter++;
//calculate affinities
for (int i = 0; i < numImagesClones; i++) // loop through each clone
{
int affinity = 0;
//TODO (Anthony): Check affinities for all images
for (int k = 0; k < imagesObjects[i].Item2.Size; k++) // loop through each object
{
for (int f = 0; f < imagesObjects[i].Item2[k].Size; f++) // loop through each point
{
foreach (Detector[] detectorsOfEachImage in detectors.Values)
{
for (int c = 0; c < detectorsOfEachImage.Length; c++)
{
affinity += checkDistance(detectorsOfEachImage[c], imagesObjects[i].Item2[k][f]);
}
}
}
}
imagesObjects[i] = new Tuple <int, Emgu.CV.Util.VectorOfVectorOfPoint>(affinity, imagesObjects[i].Item2);
}
//mutate according to affinity
for (int i = 0; i < numImagesClones; i++) // loop through each clone
{
int affinity = imagesObjects[i].Item1;
//TODO (Anthony): Check affinities for all images
for (int k = 0; k < imagesObjects[i].Item2.Size; k++) // loop through each object
{
for (int f = 0; f < imagesObjects[i].Item2[k].Size; f++) // loop through each point
{
int x = (int)(gausRandomGen.NextValue() * affinity);
int y = (int)(gausRandomGen.NextValue() * affinity);
imagesObjects[i].Item2[k][f].Offset(x, y);
}
}
}
//replace bad ones
}
e.Result = imagesObjects[randomGen.Next(numImagesClones)].Item2;
}
