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Merge branch 'Dawid_zad_9' of s452126/lpo-projekt2020 into master

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Dawid Kreft 2020-05-11 21:25:53 +00:00 committed by Gogs
commit e0c1938fcc
5 changed files with 96 additions and 45 deletions
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1
src/core/transformations/edge_roberts.cpp
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@ -33,3 +33,4 @@ void EdgeRoberts::prepareMatrices()
g_y[1][1]=0;
}

72
src/core/transformations/edge_sobel.cpp
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@ -14,65 +14,67 @@ EdgeSobel::EdgeSobel(PNM* img) :
void EdgeSobel::prepareMatrices()
{
int size = 3;
int size = 3;
g_x = math::matrix<float>(size,size);
g_y = math::matrix<float>(size,size);
g_x(0, 0) = -1;
g_x(0, 1) = 0;
g_x(0, 2) = 1;
g_x(1, 0) = -2;
g_x(1, 1) = 0;
g_x(1, 2) = 2;
g_x(2, 0) = -1;
g_x(2, 1) = 0;
g_x(2, 2) = 1;
this->g_x = math::matrix<float>(size,size);
this->g_y = math::matrix<float>(size,size);
g_y(0, 0) = -1;
g_y(0, 1) = -2;
g_y(0, 2) = -1;
g_y(1, 0) = 0;
g_y(1, 1) = 0;
g_y(1, 2) = 0;
g_y(2, 0) = 1;
g_y(2, 1) = 2;
g_y(2, 2) = 1;
g_x[0][0]=-1;
g_x[0][1]=0;
g_x[0][2]=1;
g_x[1][0]=-2;
g_x[1][1]=0;
g_x[1][2]=2;
g_x[2][0]=-1;
g_x[2][1]=-0;
g_x[2][2]=1;
g_y[0][0]=-1;
g_y[0][1]=-2;
g_y[0][2]=-1;
g_y[1][0]=0;
g_y[1][1]=0;
g_y[1][2]=0;
g_y[2][0]=1;
g_y[2][1]=2;
g_y[2][2]=1;
}
math::matrix<float>* EdgeSobel::rawHorizontalDetection()
{
math::matrix<float>* x_gradient = new math::matrix<float>(this->image->width(), this->image->height());
for (int x = 0; x < this->image->width(); x++)
int width = x_gradient->rowno();
int height = x_gradient->colno();
for (int x = 0; x < width; x++)
{
for (int y = 0; y < this->image->height(); y++)
for (int y = 0; y < height; y++)
{
math::matrix<float> temp = getWindow(x, y, 3, LChannel, NullEdge);
x_gradient[x][y] = Convolution::sum(Convolution::join(g_x, temp));
}
}
return x_gradient;
return x_gradient;
}
math::matrix<float>* EdgeSobel::rawVerticalDetection()
{
math::matrix<float>* y_gradient = new math::matrix<float>(this->image->width(), this->image->height());
for (int x = 0; x < this->image->width(); x++)
{
for (int y = 0; y < this->image->height(); y++)
{
math::matrix<float> temp = getWindow(x, y, 3, LChannel, NullEdge);
y_gradient[x][y] = Convolution::sum(Convolution::join(g_y, temp));
int width = y_gradient->rowno();
int height = y_gradient->colno();
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
math::matrix<float> temp = getWindow(x, y, 3, LChannel, NullEdge);
y_gradient[x][y] = Convolution::sum(Convolution::join(g_x, temp));
}
}
}
return y_gradient;
}

10
src/core/transformations/map_height.cpp
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@ -1,5 +1,6 @@
#include "map_height.h"
#include "conversion_grayscale.h"
\
MapHeight::MapHeight(PNM* img) :
Transformation(img)
{
@ -15,9 +16,8 @@ PNM* MapHeight::transform()
int width = image->width(),
height = image->height();
PNM* newImage = new PNM(width, height, QImage::Format_Grayscale8);
ConversionGrayscale *conv = new ConversionGrayscale(image);
PNM* img = conv->transform();
qDebug() << Q_FUNC_INFO << "Not implemented yet!";
return newImage;
return img ;
}

33
src/core/transformations/map_horizon.cpp
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@ -34,8 +34,33 @@ PNM* MapHorizon::transform()
}
PNM* newImage = new PNM(width, height, QImage::Format_Grayscale8);
qDebug() << Q_FUNC_INFO << "Not implemented yet!";
return newImage;
PNM* mapHeight = MapHeight(image).transform();
for (int x = 0; x<width; x++){
for (int y = 0; y<height; y++){
float alfa = 0.0;
int redValue = qRed(mapHeight->pixel(x, y));
for (int n = x + dx; n < width; n = n + dx){
for (int m = y+ dy ; m < height; m = m+dy) {
if(m >= 0 && n >=0 && n < width && m < height ){
int redTempValue = qRed(mapHeight->pixel(n, m));
if (redValue < redTempValue){
float dis = sqrt(pow(n - x, 2) + pow(m - y, 2)) * scale;
float ra = atan((redTempValue - redValue) / dis) * 180 / 3.14;
if (ra > alfa){
alfa = ra;
}
}
}
}
}
float delta = alfa - sun_alpha;
if (delta <= 0){
newImage->setPixel(x, y, 255);
}
else{
newImage->setPixel(x, y, cos(delta * 3.14 / 180) * 255);
}
}
}
return newImage;
}

25
src/core/transformations/map_normal.cpp
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@ -21,8 +21,31 @@ PNM* MapNormal::transform()
double strength = getParameter("strength").toDouble();
PNM* newImage = new PNM(width, height, image->format());
PNM* tempImage = MapHeight(image).transform();
qDebug() << Q_FUNC_INFO << "Not implemented yet!";
EdgeSobel edgeSobel(tempImage);
math::matrix<float>* gx = edgeSobel.rawHorizontalDetection();
math::matrix<float>* gy = edgeSobel.rawVerticalDetection();
newImage = new PNM(width, height, QImage::Format_RGB32);
float dx = 0, dy= 0, dz = 0, length = 0;
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
dx = (*gx)(x, y) / 255;
dy = (*gy)(x, y) / 255;
dz = (float)(1.0 / strength);
length = sqrt(pow(dx, 2.0) + pow(dy, 2.0) + pow(dz, 2.0));
dx = dx/length;
dy = dy/length;
dz = dz/length;
dx = (dx + 1) * (255 / 2);
dy = (dy + 1) * (255 / 2);
dz = (dz + 1) * (255 / 2);
newImage->setPixel(x, y, qRgb(dx, dy, dz));
}
}
return newImage;
}