public GrayscaleFloatImage ToGrayscaleFloatImageLightness()
{
var ResultImage = new GrayscaleFloatImage(Width, Height);
for (int i = 0; i < rawdata.Length; i++)
{
ResultImage.rawdata[i] = (Max(rawdata[i].r, rawdata[i].g, rawdata[i].b) + Min(rawdata[i].r, rawdata[i].g, rawdata[i].b)) / 2.0f;
}
return(ResultImage);
}
public GrayscaleFloatImage ToGrayscaleFloatImageAverage()
{
var ResultImage = new GrayscaleFloatImage(Width, Height);
for (int i = 0; i < rawdata.Length; i++)
{
ResultImage.rawdata[i] = (rawdata[i].r + rawdata[i].g + rawdata[i].b) / 3.0f;
}
return(ResultImage);
}
public GrayscaleFloatImage ToGrayscaleFloatImageLuminosity()
{
var ResultImage = new GrayscaleFloatImage(Width, Height);
float a = 0.21f;
float b = 0.72f;
float c = 0.07f;
for (int i = 0; i < rawdata.Length; i++)
{
ResultImage.rawdata[i] = a * rawdata[i].r + b * rawdata[i].g + c * rawdata[i].b;
}
return(ResultImage);
}
