Exemple #1
0
double Hsl::calcLum(double red, double green, double blue)
{
	double r,g,b;
	double min, max;
	double lum;
	r = red/255;
	g = green/255;
	b = blue/255;
	min = minRGB(r,g,b);
	max = maxRGB(r,g,b);
	lum = (max+min)/2;
	return lum;
}
Exemple #2
0
//converts rgb values to Hsl values
vector<double> Hsl::rgb2hsl(double red, double green, double blue)
{
	double r,g,b;
	double min, max;
	double delta;
	vector<double> HSL(3,0);
	r = red/255;
	g = green/255;
	b = blue/255;
	min = minRGB(r,g,b);
	max = maxRGB(r,g,b);
	L = (max+min)/2;
	delta = max-min;
	if(delta==0)
	{
		H=0; S=0;
	}
	else
	{
		if(L>0.5)
		{
			S = (max-min)/(2.0-max-min);
		}
		else
		{
			S = (max-min)/(max+min);
		}
		if(max==r)
		{
			H = ((g-b)/delta);
		}
		else if(max==g)
		{
			H = ((b-r)/delta) + 2;
		}
		else
		{
			H = ((r-g)/delta) + 4;
		}
		H *= 60;
		if(H<0) H+=360;
	}
	HSL[0] = round(H); HSL[1] = S; HSL[2] = L;
	return HSL;
}
Exemple #3
0
void ImageProcessor::grayscaleMax(cv::Mat &img)
{
	unsigned char *data = (unsigned char*) (img.data);
	int r,g,b,gray;

	for(int y=0; y<img.rows; y++)
	{
		for(int x=0; x<img.cols; x++)
		{
			b = data[y*img.step + x*img.channels()];
			g = data[y*img.step + x*img.channels() + 1];
			r = data[y*img.step + x*img.channels() + 2];

			gray = maxRGB(r, g ,b);

			data[y*img.step + x*img.channels()] = gray;
			data[y*img.step + x*img.channels() + 1] = gray;
			data[y*img.step + x*img.channels() + 2] = gray;
		}
	}
}