//delegate method for sorting triplets based on correlation
private static int CompareTriplet(PointMatchTriplet p1, PointMatchTriplet p2)
{
if (p2.correlation > p1.correlation)
{
return(1);
}
else if (p2.correlation < p1.correlation)
{
return(-1);
}
else
{
return(0);
}
}
public static void ScanImage(bool[,] sampleMaskArray, int sampleMaskWidth, int sampleMaskHeight, int sampleXCenter,
int sampleYCenter, PointMatchSettings settings, int[,] imageArray, int imageWidth, int imageHeight, List <PointMatchTriplet> pointsCreated)
{
// loop through image to first on-pixel
for (int x = 0; x < imageWidth; x++)
{
for (int y = 0; y < imageHeight; y++)
{
bool firstMax = true;
int onCount = 0, xSum = 0, ySum = 0;
int xMin = imageWidth, xMax = 0;
int yMin = imageHeight, yMax = 0;
double correlationMax = 0.0;
RecurseThroughOnRegion(sampleMaskArray, sampleMaskWidth, sampleMaskHeight,
sampleXCenter, sampleYCenter,
imageArray, imageWidth, imageHeight,
x, y, ref firstMax, ref onCount, ref xSum, ref ySum,
ref xMin, ref xMax, ref yMin, ref yMax,
ref correlationMax);
// save max if its correlation is positive and the point is not too big. a zero
// correlation is would be expected from two uncorrelated sets of pixels, and
// a negative correlation means the sets of pixels are inverses
if (!firstMax && (correlationMax > 0) &&
(xMax - xMin < settings.pointSize) &&
(yMax - yMin < settings.pointSize))
{
PointMatchTriplet p = new PointMatchTriplet();
if (onCount < 0)
{
onCount = 1;
}
p.x = (int)((double)xSum / (double)onCount + 0.5);
p.y = (int)((double)ySum / (double)onCount + 0.5);
p.correlation = correlationMax;
pointsCreated.Add(p);
}
}
}
}
public static void ScanImage(bool[,] sampleMaskArray, int sampleMaskWidth, int sampleMaskHeight, int sampleXCenter,
int sampleYCenter, PointMatchSettings settings, int[,] imageArray, int imageWidth, int imageHeight, List<PointMatchTriplet> pointsCreated)
{
// loop through image to first on-pixel
for (int x = 0; x < imageWidth; x++)
{
for (int y = 0; y < imageHeight; y++)
{
bool firstMax = true;
int onCount = 0, xSum = 0, ySum = 0;
int xMin = imageWidth, xMax = 0;
int yMin = imageHeight, yMax = 0;
double correlationMax = 0.0;
RecurseThroughOnRegion(sampleMaskArray, sampleMaskWidth, sampleMaskHeight,
sampleXCenter, sampleYCenter,
imageArray, imageWidth, imageHeight,
x, y, ref firstMax, ref onCount, ref xSum, ref ySum,
ref xMin, ref xMax, ref yMin, ref yMax,
ref correlationMax);
// save max if its correlation is positive and the point is not too big. a zero
// correlation is would be expected from two uncorrelated sets of pixels, and
// a negative correlation means the sets of pixels are inverses
if (!firstMax && (correlationMax > 0) &&
(xMax - xMin < settings.pointSize) &&
(yMax - yMin < settings.pointSize))
{
PointMatchTriplet p = new PointMatchTriplet();
if (onCount < 0)
onCount = 1;
p.x = (int)((double)xSum / (double)onCount + 0.5);
p.y = (int)((double)ySum / (double)onCount + 0.5);
p.correlation = correlationMax;
pointsCreated.Add(p);
}
}
}
}
//delegate method for sorting triplets based on correlation
private static int CompareTriplet(PointMatchTriplet p1, PointMatchTriplet p2)
{
if (p2.correlation > p1.correlation)
return 1;
else if (p2.correlation < p1.correlation)
return -1;
else
return 0;
}
