public void ApplyChannelGains()
{
using (var src = Image("lenna.png"))
using (var b = new Mat(src.Rows, src.Cols, src.Type()))
using (var g = new Mat(src.Rows, src.Cols, src.Type()))
using (var r = new Mat(src.Rows, src.Cols, src.Type()))
{
CvXPhoto.ApplyChannelGains(src, b, 2, 1, 1);
CvXPhoto.ApplyChannelGains(src, g, 1, 2, 1);
CvXPhoto.ApplyChannelGains(src, r, 1, 1, 2);
if (Debugger.IsAttached)
{
using (var combined = new Mat(src.Rows * 2, src.Cols * 2, src.Type()))
using (var roi1 = new Mat(combined, new Rect(0, 0, src.Cols, src.Rows)))
using (var roi2 = new Mat(combined, new Rect(src.Cols, 0, src.Cols, src.Rows)))
using (var roi3 = new Mat(combined, new Rect(0, src.Rows, src.Cols, src.Rows)))
using (var roi4 = new Mat(combined, new Rect(src.Cols, src.Rows, src.Cols, src.Rows)))
{
src.CopyTo(roi1);
b.CopyTo(roi2);
g.CopyTo(roi3);
r.CopyTo(roi4);
Window.ShowImages(combined);
}
}
}
}
public void Inpaint()
{
using var src = Image("building.jpg");
using var mask = Image("building_mask.bmp", ImreadModes.Grayscale);
using var dst = new Mat(src.Size(), src.Type());
CvXPhoto.Inpaint(src, mask, dst, InpaintTypes.SHIFTMAP);
ShowImagesWhenDebugMode(src);
ShowImagesWhenDebugMode(dst);
}
public void OilPainting()
{
using var src = Image("lenna.png", ImreadModes.Grayscale);
using var dst = new Mat();
CvXPhoto.OilPainting(src, dst, 5, 10);
if (Debugger.IsAttached)
{
Window.ShowImages(src, dst);
}
}
public void DctDenoising()
{
using var src = Image("lenna.png");
using var dst = new Mat();
CvXPhoto.DctDenoising(src, dst, 1);
if (Debugger.IsAttached)
{
Window.ShowImages(src, dst);
}
}
public void Inpaint()
{
using (var src = Image("building.jpg"))
using (var mask = Image("building_mask.bmp", ImreadModes.GrayScale))
using (var dst = new Mat(src.Size(), src.Type()))
{
CvXPhoto.Inpaint(src, mask, dst, InpaintTypes.ShiftMap);
ShowImagesWhenDebugMode(src);
ShowImagesWhenDebugMode(dst);
}
}
public void GrayworldWBProperties()
{
using var wb = CvXPhoto.CreateGrayworldWB();
var saturationThreshold = wb.SaturationThreshold;
const float val = 100f;
wb.SaturationThreshold = val;
Assert.Equal(val, wb.SaturationThreshold);
Assert.NotEqual(saturationThreshold, wb.SaturationThreshold);
}
public void Bm3dDenoising()
{
using (var src = Image("lenna.png", ImreadModes.Grayscale))
using (var dst = new Mat())
{
CvXPhoto.Bm3dDenoising(src, dst);
if (Debugger.IsAttached)
{
Window.ShowImages(src, dst);
}
}
}
public void LearningBasedWBBalanceWhite()
{
using var wb = CvXPhoto.CreateLearningBasedWB(null);
using var src = Image("lenna.png");
using var dst = new Mat(src.Rows, src.Cols, src.Type());
wb.BalanceWhite(src, dst);
if (Debugger.IsAttached)
{
using var combined = new Mat(src.Rows, src.Cols * 2, src.Type());
using var roi1 = new Mat(combined, new Rect(0, 0, src.Cols, src.Rows));
using var roi2 = new Mat(combined, new Rect(src.Cols, 0, src.Cols, src.Rows));
src.CopyTo(roi1);
dst.CopyTo(roi2);
Window.ShowImages(combined);
}
}
public void LearningBasedWBBalanceWhiteWithModel()
{
// About model file
// http://docs.opencv.org/trunk/dc/dcb/tutorial_xphoto_training_white_balance.html
using var wb = CvXPhoto.CreateLearningBasedWB("");
using var src = Image("lenna.png");
using var dst = new Mat(src.Rows, src.Cols, src.Type());
wb.BalanceWhite(src, dst);
if (Debugger.IsAttached)
{
using var combined = new Mat(src.Rows, src.Cols * 2, src.Type());
using var roi1 = new Mat(combined, new Rect(0, 0, src.Cols, src.Rows));
using var roi2 = new Mat(combined, new Rect(src.Cols, 0, src.Cols, src.Rows));
src.CopyTo(roi1);
dst.CopyTo(roi2);
Window.ShowImages(combined);
}
}
public void GrayworldWBBalanceWhite()
{
using (var wb = CvXPhoto.CreateGrayworldWB())
using (var src = Image("lenna.png"))
using (var dst = new Mat(src.Rows, src.Cols, src.Type()))
{
wb.BalanceWhite(src, dst);
if (Debugger.IsAttached)
{
using (var combined = new Mat(src.Rows, src.Cols * 2, src.Type()))
using (var roi1 = new Mat(combined, new Rect(0, 0, src.Cols, src.Rows)))
using (var roi2 = new Mat(combined, new Rect(src.Cols, 0, src.Cols, src.Rows)))
{
src.CopyTo(roi1);
dst.CopyTo(roi2);
Window.ShowImages(combined);
}
}
}
}
