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Zadanie 10

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This commit is contained in:
Sebastian Spaloniak 2020-05-11 23:02:05 +02:00
parent 25062ac7fc
commit d39f5c72f5
2 changed files with 228 additions and 3 deletions
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227
lpo-projekt-v2/src/core/transformations/edge_canny.cpp
View File

@ -12,6 +12,30 @@ EdgeCanny::EdgeCanny(PNM* img) :
EdgeCanny::EdgeCanny(PNM* img, ImageViewer* iv) :
Convolution(img, iv)
{
int width = img->width(),
height = img->height();
direction = math::matrix<float>(width, height);
power = math::matrix<float>(width, height);
for (int i = 0; i < 361; i++)
{
if ((i >= 0 && i < 23) || (i >= 158 && i < 203) || (i >= 338 && i < 361))
{
kos[i] = 0;
}
if ((i >= 23 && i < 68) || (i >= 203 && i < 248))
{
kos[i] = 1;
}
if ((i >= 68 && i < 113) || (i >= 248 && i < 293))
{
kos[i] = 2;
}
if ((i >= 113 && i < 158) || (i >= 293 && i < 338))
{
kos[i] = 3;
}
}
}
PNM* EdgeCanny::transform()
@ -22,9 +46,208 @@ PNM* EdgeCanny::transform()
int upper_thresh = getParameter("upper_threshold").toInt(),
lower_thresh = getParameter("lower_threshold").toInt();
PNM* newImage = new PNM(width, height, QImage::Format_Grayscale8);
PNM* newImage = new PNM(width, height, QImage::Format_Indexed8);
qDebug() << Q_FUNC_INFO << "Not implemented yet!";
PNM* tmpImage = new PNM(width, height, QImage::Format_Indexed8);
tmpImage = ConversionGrayscale(image).transform();
BlurGaussian blurGaussian(tmpImage);
blurGaussian.setParameter("sigma", 1.6);
blurGaussian.setParameter("size", 3);
tmpImage = blurGaussian.transform();
EdgeSobel sobel(tmpImage);
math::matrix<float>* Mx = sobel.rawHorizontalDetection();
math::matrix<float>* My = sobel.rawVerticalDetection();
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
newImage->setPixel(i, j, PIXEL_VAL_MIN);
power(i, j) = sqrt(pow((*Mx)(i, j), 2) + pow((*My)(i, j), 2));
direction(i, j) = (int)((atan2((*My)(i, j), (*Mx)(i, j)) / (3.14159265359)) * 180 + 360) % 360;
}
}
double ne1, ne2;
std::list<QPoint> initialPoints;
for (int i = 1; i < width - 1; i++)
{
for (int j = 1; j < height - 1; j++)
{
int pos = direction(i, j);
double m = power(i, j);
int point1n = 1;
QPoint point1;
if (point1n == 1)
{
if (kos[pos] == 0)
{
point1 = QPoint(0, -1);
}
else if (kos[pos] == 1)
{
point1 = QPoint(1, -1);
}
else if (kos[pos] == 2)
{
point1 = QPoint(-1, 0);
}
else if (kos[pos] == 3)
{
point1 = QPoint(-1, -1);
}
}
else
{
if (kos[pos] == 0)
{
point1 = QPoint(0, 1);
}
else if (kos[pos] == 1)
{
point1 = QPoint(-1, 1);
}
else if (kos[pos] == 2)
{
point1 = QPoint(1, 0);
}
else if (kos[pos] == 3)
{
point1 = QPoint(1, 1);
}
}
QPoint point2;
int point2n = 2;
if (point2n == 1)
{
if (kos[pos] == 0)
{
point2 = QPoint(0, -1);
}
else if (kos[pos] == 1)
{
point2 = QPoint(1, -1);
}
else if (kos[pos] == 2)
{
point2 = QPoint(-1, 0);
}
else if (kos[pos] == 3)
{
point2 = QPoint(-1, -1);
}
}
else
{
if (kos[pos] == 0)
{
point2 = QPoint(0, 1);
}
else if (kos[pos] == 1)
{
point2 = QPoint(-1, 1);
}
else if (kos[pos] == 2)
{
point2 = QPoint(1, 0);
}
else if (kos[pos] == 3)
{
point2 = QPoint(1, 1);
}
}
ne1 = power(i + point1.x(), j + point1.y());
ne2 = power(i + point2.x(), j + point2.y());
if (m > ne1 && m > ne2 && m > upper_thresh)
{
newImage->setPixel(i, j, PIXEL_VAL_MAX);
initialPoints.push_back(QPoint(i, j));
}
}
}
while (!initialPoints.empty())
{
QPoint point = initialPoints.back();
initialPoints.pop_back();
int pos = direction(point.x(), point.y());
QPoint tneipoin[7] = {
QPoint(-1, 0),
QPoint(-1, 1),
QPoint(0, -1),
QPoint(0, 1),
QPoint(1, -1),
QPoint(1, 0),
QPoint(1, 1),
};
for (int i = 1; i <= 2; i++)
{
QPoint dirVe;
int point2n = 2;
if ( i == 1)
{
if (kos[pos] == 0)
{
dirVe = QPoint(0, -1);
}
else if (kos[pos] == 1)
{
dirVe = QPoint(1, -1);
}
else if (kos[pos] == 2)
{
dirVe = QPoint(-1, 0);
}
else if (kos[pos] == 3)
{
dirVe = QPoint(-1, -1);
}
}
else
{
if (kos[pos] == 0)
{
dirVe = QPoint(0, 1);
}
else if (kos[pos] == 1)
{
dirVe = QPoint(-1, 1);
}
else if (kos[pos] == 2)
{
dirVe = QPoint(1, 0);
}
else if (kos[pos] == 3)
{
dirVe = QPoint(1, 1);
}
}
QPoint cPoint = point;
while (true)
{
QPoint npoint = QPoint(cPoint.x() + dirVe.x(), cPoint.y() + dirVe.y());
if (npoint.x() == width - 1 || npoint.x() == 0 || npoint.y() == height - 1 || npoint.y() == 0) break;
if (newImage->pixel(npoint.x(), npoint.y()) == PIXEL_VAL_MAX) break;
if (power(npoint.x(), npoint.y()) < lower_thresh) break;
if (kos[(int)direction(npoint.x(), npoint.y())] != kos[pos]) break;
bool maxM = true;
double mag = power(npoint.x(), npoint.y());
for (int i = 0; i < 7; i++)
{
QPoint tnei(npoint.x() + tneipoin[i].x(), npoint.y() + tneipoin[i].y());
if (tnei.x() == cPoint.x() && tnei.y() == cPoint.y()) continue;
if (kos[(int)direction(tnei.x(), tnei.y())] != kos[pos]) continue;
if (power(tnei.x(), tnei.y()) >= mag)
{
maxM = false;
break;
}
}
if (!maxM) break;
newImage->setPixel(npoint.x(), npoint.y(), PIXEL_VAL_MAX);
cPoint = npoint;
}
}
}
return newImage;
}

4
lpo-projekt-v2/src/core/transformations/edge_canny.h
View File

@ -13,7 +13,9 @@ public:
private:
int kos[361];
math::matrix<float> direction,
power;
};
#endif // EDGECANNY_H