本文整理汇总了C++中PNM类的典型用法代码示例。如果您正苦于以下问题：C++ PNM类的具体用法？C++ PNM怎么用？C++ PNM使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了PNM类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: PNM
PNM* NoiseBilateral::transform()
{
int width = image->width();
int height = image->height();
PNM* newImage = new PNM(width, height, image->format());
sigma_d = getParameter("sigma_d").toInt();
sigma_r = getParameter("sigma_r").toInt();
radius = sigma_d;
if(image->format() == QImage::Format_Indexed8)
{
for(int x=0; x<width; x++)
for(int y=0; y<height; y++)
{
int l = calcVal(x, y, LChannel);
newImage->setPixel(x, y, l);
}
}
else {
for(int x=0; x<width; x++)
for(int y=0; y<height; y++)
{
int r = calcVal(x, y, RChannel);
int g = calcVal(x, y, GChannel);
int b = calcVal(x, y, BChannel);
QColor newPixel = QColor(r,g,b);
newImage->setPixel(x, y, newPixel.rgb());
}
}
return newImage;
}示例2: getParameter
PNM* MorphologicalOperator::transform()
{
int size = getParameter("size").toInt();
SE shape = (MorphologicalOperator::SE) getParameter("shape").toInt();
PNM* newImage = new PNM(image->width(), image->height(), QImage::Format_RGB32);
int width = image->width();
int height = image->height();
math::matrix<bool> elementStrukturyzujacy = getSE(size, shape);
for(int x = 0; x < width; x++)
for(int y = 0; y < height; y++)
{
math::matrix<double> windowR = getWindow(x, y, size, RChannel, RepeatEdge);
math::matrix<double> windowG = getWindow(x, y, size, GChannel, RepeatEdge);
math::matrix<double> windowB = getWindow(x, y, size, BChannel, RepeatEdge);
newImage->setPixel(x, y, qRgb(morph(windowR, elementStrukturyzujacy), morph(windowG, elementStrukturyzujacy), morph(windowB, elementStrukturyzujacy)));
}
return newImage;
}示例3: getParameter
PNM* Correction::transform()
{
float shift = getParameter("shift").toFloat();
float factor = getParameter("factor").toFloat();
float gamma = getParameter("gamma").toFloat();
int width = image->width();
int height = image->height();
PNM* newImage = new PNM(width, height, image->format());
for (int i = 0; i < 256; i++) {
Correction::LUT[i] = (int)((((float)(pow((double)i, (double)gamma))) * factor) + shift);
if (Correction::LUT[i] < 0) {
Correction::LUT[i] = 0;
}
else if (Correction::LUT[i] > 255) {
Correction::LUT[i] = 255;
}
}
if (image->format() == QImage::Format_Indexed8){
for (int x = 0; x < width; x++){
for (int y = 0; y < height; y++)
{
QRgb pixel = image->pixel(x, y); // Getting the pixel(x,y) value
int g = qGray(pixel); // Get the 0-255 value of the G channel
g = Correction::LUT[g];
newImage->setPixel(x, y, g);
}
}
}
else{
for (int x = 0; x < width; x++)
for (int y = 0; y < height; y++)
{
QRgb pixel = image->pixel(x, y); // Getting the pixel(x,y) value
int r = qRed(pixel); // Get the 0-255 value of the R channel
int g = qGreen(pixel); // Get the 0-255 value of the G channel
int b = qBlue(pixel); // Get the 0-255 value of the B channel
r = Correction::LUT[r];
g = Correction::LUT[g];
b = Correction::LUT[b];
QColor newPixel = QColor(r, g, b);
newImage->setPixel(x, y, newPixel.rgb());
}
}
return newImage;
}示例4: getParameter
PNM* Correction::transform()
{
float shift = getParameter("shift").toFloat();
float factor = getParameter("factor").toFloat();
float gamma = getParameter("gamma").toFloat();
int width = image->width();
int height = image->height();
PNM* newImage = new PNM(width, height, image->format());
// Inicjalizacja tablicy
for(int i = 0; i<= PIXEL_VAL_MAX; i++) {
LUT[i] = i;
}
// Tablicowanie
for(int i = 0; i<= PIXEL_VAL_MAX; i++) {
LUT[i] = std::pow(LUT[i], gamma) * factor + shift;
LUT[i] = Correction::boundariesCheck(LUT[i]);
}
if (image->format() == QImage::Format_Indexed8)
{
for (int x=0; x<width; x++)
for (int y=0; y<height; y++)
{
QRgb pixel = image->pixel(x,y);
int v = qGray(pixel);
newImage->setPixel(x, y, LUT[v]);
}
}
else if (image->format() == QImage::Format_RGB32)
{
for (int x=0; x<width; x++)
for (int y=0; y<height; y++)
{
QRgb pixel = image->pixel(x,y);
int r = qRed(pixel);
int g = qGreen(pixel);
int b = qBlue(pixel);
QColor newPixel = QColor(LUT[r], LUT[g], LUT[b]);
newImage->setPixel(x, y, newPixel.rgb());
}
}
return newImage;
}示例5: PNM
PNM* BinarizationGradient::transform()
{
int width = image->width();
int height = image->height();
PNM* newImage = new PNM(width, height, QImage::Format_Mono);
QRgb pixel;
int top = 0;
int bottom = 0;
int gradientx = 0;
int gradienty = 0;
int gradient = 0;
int temp = 0;
for (int x=0; x<width; ++x)
{
for (int y=0; y<height; ++y)
{
QRgb pixel0 = image->pixel(x-1>=0 ? x-1 : x, y);
QRgb pixel1 = image->pixel(x+1 < width ? x+1 : x, y);
gradientx = qGray(pixel1) - qGray(pixel0);
pixel0 = image->pixel(x, y-1>=0 ? y-1 : y);
pixel1 = image->pixel(x, y+1<height ? y+1 : y);
gradienty = qGray(pixel1) - qGray(pixel0);
if (gradientx >= gradienty) {
gradient = gradientx;
}else{
gradient = gradienty;
}
pixel = image->pixel(x, y);
top += qGray(pixel) * gradient;
bottom += gradient;
temp = bottom==0 ? 0 : top / bottom;
if (qGray(pixel) >= temp){
newImage->setPixel(x, y, Qt::color1);
}else{
newImage->setPixel(x, y, Qt::color0);
}
}
}
return newImage;
}示例6: PNM
PNM* BinarizationGradient::transform()
{
int width = image->width();
int height = image->height();
PNM* newImage = new PNM(width, height, QImage::Format_Mono);
Mode mode = RepeatEdge;
int licz = 0, mian = 0;
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
int value_pixel, G, Gx, Gy;
QRgb pixel = getPixel(x, y, mode);
value_pixel = qGray(pixel);
Gx = qGray(this->getPixel(x + 1, y, mode)) - qGray(this->getPixel(x - 1, y, mode));
Gy = qGray(this->getPixel(x, y + 1, mode)) - qGray(this->getPixel(x, y - 1, mode));
if (Gx > Gy) {
G = Gx;
}
else{
G = Gy;
}
licz += value_pixel * G;
mian += G;
}
}
int threshold = licz / mian;
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
QRgb pixel = image->pixel(x, y);
int value_pixel = qGray(pixel);
if (value_pixel < threshold){
newImage->setPixel(x, y, 0);
}
else{
newImage->setPixel(x, y, 1);
}
}
}
return newImage;
}示例7: PNM
PNM* BinarizationGradient::transform()
{
int width = image->width();
int height = image->height();
PNM* newImage = new PNM(width, height, QImage::Format_Mono);
int top = 0, bot = 0, tym = 0, grx = 0, gry = 0, gra = 0;
for (int x = 0; x < width; ++x)
{
for (int y = 0; y < height; ++y)
{
QRgb pix, pix1, pix2;
pix1 = getPixel(x - 1, y, RepeatEdge);
pix2 = getPixel(x + 1, y, RepeatEdge);
grx = qGray(pix2) - qGray(pix1);
pix1 = getPixel(x, y - 1, RepeatEdge);
pix2 = getPixel(x, y + 1, RepeatEdge);
gry = qGray(pix2) - qGray(pix1);
if (grx >= gry)
{
gra = grx;
}
else {
gra = gry;
}
pix = getPixel(x, y, RepeatEdge);
top += qGray(pix) * gra;
bot += gra;
tym = bot == 0 ? 0 : top / bot;
if (qGray(pix) >= tym)
{
newImage->setPixel(x, y, Qt::color1);
}
else
{
newImage->setPixel(x, y, Qt::color0);
}
}
}
return newImage;
}示例8: getParameter
PNM* MapNormal::transform()
{
int width = image->width(),
height = image->height();
double strength = getParameter("strength").toDouble();
PNM* newImage = new PNM(width, height, image->format());
//qDebug() << Q_FUNC_INFO << "Not implemented yet!";
MapHeight* mh = new MapHeight(image);
PNM* imgHeight = mh->transform();
EdgeSobel* es = new EdgeSobel(image);
math::matrix<float>* Gx = es->rawHorizontalDetection();
math::matrix<float>* Gy = es->rawVerticalDetection();
for (int i = 0; i < width; i++)
for (int j = 0; j < height; j++) {
float dx = (*Gx)(i,j)/255;
float dy = (*Gy)(i,j)/255;
float dz = 1/strength;
double dw = sqrt(dx*dx + dy*dy + dz*dz);
dx = dx / dw;
dy = dy / dw;
dz = dz / dw;
dx = (dx + 1.0)*(255/strength);
dy = (dy + 1.0)*(255/strength);
dz = (dz + 1.0)*(255/strength);
QColor newPixel = QColor(dx,dy,dz);
newImage->setPixel(i,j, newPixel.rgb());
}
return newImage;
}示例9: PNM
PNM* ConversionGrayscale::transform()
{
// qDebug() << Q_FUNC_INFO << "Not implemented yet!";
int width = image->width();
int height = image->height();
PNM* newImage = new PNM(width, height, QImage::Format_Indexed8);
if (image->format() == QImage::Format_Mono)
{
for (int x = 0; x<width; x++)
for (int y = 0; y<height; y++)
{
QColor color = QColor::fromRgb(image->pixel(x, y)); // Getting the pixel(x,y) value
newImage->setPixel(x, y, color == Qt::white ? Qt::color1 : Qt::color0);
}
}
else // if (image->format() == QImage::Format_RGB32)
{
for (int x = 0; x<width; x++)
for (int y = 0; y<height; y++)
{
QRgb pixel = image->pixel(x, y); // Getting the pixel(x,y) value
int r = qRed(pixel); // Get the 0-255 value of the R channel
int g = qGreen(pixel); // Get the 0-255 value of the G channel
int b = qBlue(pixel); // Get the 0-255 value of the B channel
r = (int) floor(r*0.3);
g = (int) floor(g*0.6);
b = (int) floor(b*0.1);
//QColor newPixel = QColor(r, g, b);
newImage->setPixel(x, y, r + g + b);
}
}
return newImage;
}示例10: getParameter
PNM* MapNormal::transform()
{
int width = image->width(),
height = image->height();
double strength = getParameter("strength").toDouble();
PNM* newImage = new PNM(width, height, image->format());
PNM* tempImage = MapHeight(image).transform();
EdgeSobel sobel(tempImage);
math::matrix<float>* Gx = sobel.rawHorizontalDetection();
math::matrix<float>* Gy = sobel.rawVerticalDetection();
newImage = new PNM(width, height, QImage::Format_RGB32);
for(int i=0; i<width; i++)
{
for(int j=0; j<height; j++)
{
double dx = (*Gx)(i,j)/PIXEL_VAL_MAX;
double dy = (*Gy)(i,j)/PIXEL_VAL_MAX;
double dz = 1/strength;
double length = sqrt(dx*dx + dy*dy + dz*dz);
dx = dx/length;
dy = dy/length;
double dZ = dz/length;
double t = 255/strength;
dx = (dx + 1.0)* t;
dy = (dy + 1.0)* t;
dZ = (dZ + 1.0)* t;
newImage->setPixel(i,j,qRgb(dx,dy,dZ));
}
}
return newImage;
}示例11: getParameter
PNM* Correction::transform()
{
float shift = getParameter("shift").toFloat();
float factor = getParameter("factor").toFloat();
float gamma = getParameter("gamma").toFloat();
int width = image->width();
int height = image->height();
PNM* newImage = new PNM(width, height, image->format());
for (int i=0; i<PIXEL_VAL_MAX+1; i++)
{
LUT[i] = i;
LUT[i] += shift;
LUT[i] *= factor;
LUT[i] = pow(LUT[i],gamma);
LUT[i] = LUT[i] > 255 ? 255 : LUT[i];
LUT[i] = LUT[i] < 0 ? 0 : LUT[i];
}
for (int x=0; x<width; x++)
for (int y=0; y<height; y++)
{
QRgb pixel = image->pixel(x,y); // Getting the pixel(x,y) value
int r = qRed(pixel); // Get the 0-255 value of the R channel
int g = qGreen(pixel); // Get the 0-255 value of the G channel
int b = qBlue(pixel); // Get the 0-255 value of the B channel
QColor newPixel = QColor(LUT[r],LUT[g],LUT[b]);
newImage->setPixel(x,y, newPixel.rgb());
}
return newImage;
}示例12: getParameter
PNM* MapNormal::transform()
{
int width = image->width(),
height = image->height();
double strength = getParameter("strength").toDouble();
PNM* newImage = new PNM(width, height, image->format());
PNM* heightImage = MapHeight(image).transform();
math::matrix<double>* G_x = EdgeSobel(heightImage).rawHorizontalDetection();
math::matrix<double>* G_y = EdgeSobel(heightImage).rawVerticalDetection();
for (int i=0; i<width;i++) {
for (int j=0; j<height;j++) {
double gx = (*G_x)(i,j);
double gy = (*G_y)(i,j);
double dX = gx/255;
double dY = gy/255;
double dZ = 1/strength;
double length = sqrt(pow(dX,2)+pow(dY,2)+pow(dZ,2));
dX/=length;
dY/=length;
dZ/=length;
double r = (dX + 1.0)*(255/strength);
double g = (dY + 1.0)*(255/strength);
double b = (dZ + 1.0)*(255/strength);
QColor newPixel = QColor(r,g,b);
newImage->setPixel(i,j, newPixel.rgb());
}
}
return newImage;
}示例13: PNM
PNM* NoiseBilateral::transform()
{
int width = image->width();
int height = image->height();
PNM* newImage = new PNM(width, height, image->format());
sigma_d = getParameter("sigma_d").toInt();
sigma_r = getParameter("sigma_r").toInt();
radius = sigma_d;
Mode mode = RepeatEdge;
QRgb pixel;
int r,g,b;
if(image->format() == QImage::Format_RGB32){
for(int x=0;x<width;x++){
for(int y=0;y<height;y++){
pixel = getPixel(x,y,mode);
r=calcVal(x,y,RChannel);
g=calcVal(x,y,GChannel);
b=calcVal(x,y,BChannel);
QColor newPixel = QColor(r,g,b);
newImage->setPixel(x,y,newPixel.rgb());
}
}
}
else if(image->format() == QImage::Format_Indexed8){
for(int x=0;x<width;x++){
for(int y=0;y<height;y++){
int temp = calcVal(x,y,LChannel);
newImage->setPixel(x,y,temp);
}
}
}
return newImage;
}示例14: getParameter
PNM* HoughLines::transform()
{
// Cut of value from the image;
int threshold = getParameter("threshold").toInt();
bool drawWholeLines = getParameter("draw_whole_lines").toBool();
PNM* newImage = new PNM(image->copy());
EdgeLaplacian* edgeLaplacian = new EdgeLaplacian(image);
edgeLaplacian->setParameter("size", 3);
image = edgeLaplacian->transform();
delete edgeLaplacian;
BinarizationGradient* binGradient = new BinarizationGradient(image);
image = binGradient->transform();
delete binGradient;
Hough* hough = new Hough(image);
hough->setParameter("theta_density" , 3);
hough->setParameter("skip_edge_detection", true);
image = hough->transform();
delete hough;
int width = image->width(),
height = image->height();
for (int theta = 0; theta < width; theta++) {
for (int rho = 0; rho < height; rho++) {
QRgb pixel = image->pixel(theta, rho);
if(qGray(pixel) > threshold)
newImage->setPixel(theta, rho, 1);
}
}
return newImage;
}示例15: CornerHarris
PNM* HoughRectangles::transform()
{
PNM* img = CornerHarris(image).transform();
for (int i = 0; i < img->width(); i++)
{
for (int j = 0; j < img->height(); j++)
{
QColor color = QColor::fromRgb(img->pixel(i, j));
if (color.black() != 255)
{
img = remove(i, j, i, j, img);
}
}
}
std::vector<std::pair<int, int>> points;
for (int i = 0; i < img->width(); i++)
{
for (int j = 0; j < img->height(); j++)
{
QColor color = QColor::fromRgb(img->pixel(i, j));
if (color.black() != 255)
{
points.push_back(std::make_pair(i, j));
}
}
}
for (int i = 0; i < points.size(); i++)
{
std::vector<std::pair<int, int>> corners = check_quadrat(points.at(i), img);
if (corners.size() == 4)
{
img = drawQuadrat(corners, img);
}
}
return img;
}