private static ColorMapFloat ApplyCurve(ColorMap<ushort> map, float[][] curve)
{
var result = new ColorMapFloat(map.Width, map.Height);
Parallel.For(0, result.Height, y =>
{
var input = map.GetRow(y);
var output = result.GetRow(y);
for (var x = 0; x < result.Width; x++)
{
output.SetAndMoveNext(curve[0][input.R], curve[1][input.G], curve[2][input.B]);
input.MoveNext();
}
});
return result;
}
private static ColorMapFloat ApplyCurve(ColorMap <ushort> map, float[][] curve)
{
var result = new ColorMapFloat(map.Width, map.Height);
Parallel.For(0, result.Height, y =>
{
var input = map.GetRow(y);
var output = result.GetRow(y);
for (var x = 0; x < result.Width; x++)
{
output.SetAndMoveNext(curve[0][input.R], curve[1][input.G], curve[2][input.B]);
input.MoveNext();
}
});
return(result);
}
public void AutoAdjust(ColorMapFloat map)
{
double maxbright = 0;
var whiteColor = new float[] { 1, 1, 1 };
map.ForEachPixel(color =>
{
var bright = color.Brightness();
if (bright < maxbright || color.MaxComponent() >= 1f)
{
return;
}
maxbright = bright;
whiteColor = color.GetCopy();
});
var maxComp = whiteColor.Max();
WhiteColor = whiteColor.Select(v => v / maxComp).ToArray();
}
public void AutoAdjust(ColorMapFloat map)
{
const int maxValue = 1023;
var h = map.GetHistogram(maxValue);
var wcenter = h.FindWeightCenter((float[])null, (float[])null);
var wcenterf = wcenter.Select((v, c) => (v - _minIn[c]) / (_maxIn[c] - _minIn[c]));
_contrast = wcenterf.Select(v => (float)Math.Log(0.5, v)).ToArray();
_contrast = Enumerable.Repeat(_contrast.Average(), 3).ToArray();
// h.Transform((index, value, comp) => (int)(1023 * Math.Pow(index / 1023f, _contrast[comp])));
float[] max;
float[] min;
h.FindMinMax(out min, out max, 0.005f);
//min = Enumerable.Repeat(min.Average(), 3).ToArray();
//max = Enumerable.Repeat(max.Average(), 3).ToArray();
_maxIn = max;
_minIn = min;
Recalculate();
}
