public Bitmap YCbCrFilter(Bitmap img)
{
YCbCrFiltering filter = new YCbCrFiltering();
filter.Cb = new AForge.Range(-0.2f, 0.0f);
filter.Cr = new AForge.Range(0.26f, 0.5f);
return(filter.Apply(img));
}
// On Filters->YCbCr filtering
/// <summary>
/// YCbCr颜色空间中颜色过滤器
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void yCbCrFiltersItem_Click(object sender, System.EventArgs e)
{
YCbCrFiltering ff = new YCbCrFiltering(new Range(0.2f, 0.9f), new Range(-0.3f, 0.3f), new Range(-0.3f, 0.3f));
ff.FillColor = new YCbCr(0.2f, 0.3f, 0.3f);
ff.FillOutsideRange = false;//false:用指定颜色填充区间外的像素，true：填充区间内的像素（默认为true）
ApplyFilter(ff);
yCbCrFiltersItem.Checked = true;
}
private static Bitmap ApplyYCbCrFilter(Bitmap bitmap)
{
var filter = new YCbCrFiltering
{
Cb = new Range(-0.2f, 0),
Cr = new Range(0.26f, 0.5f)
};
var filteredBitmap = filter.Apply(bitmap);
return(filteredBitmap);
}
private void process_button_Click(object sender, EventArgs e)
{
//changes are made here
////////YCbCr COLOUR PIXEL FILTERING
var yCbCrFilter = new YCbCrFiltering();
yCbCrFilter.Cb = new AForge.Range(-0.6f, 0); //horizon //segment the red colour
yCbCrFilter.Cr = new AForge.Range(0, 0.2f); //vertical
var yCbCrFilterOuptut = yCbCrFilter.Apply(_inputImage);
pictureBoxOutput.Image = yCbCrFilterOuptut;
}
public mFilterYCbCrColor(wDomain Luminance, wDomain Blue, wDomain Red, bool isOut, Color fillColor)
{
Y = Luminance;
Cb = Blue;
Cr = Red;
IsOut = isOut;
FillColor = fillColor;
BitmapType = mFilter.BitmapTypes.Rgb24bpp;
Effect = new YCbCrFiltering(new Range((float)Y.T0, (float)Y.T1), new Range((float)Cb.T0, (float)Cb.T1), new Range((float)Cr.T0, (float)Cr.T1));
Effect.FillOutsideRange = IsOut;
Effect.FillColor = YCbCr.FromRGB(new RGB(FillColor));
}
//For YCbCr Filtering
private void YCbCrFiltering(Bitmap srcImage)
{
// create filter
YCbCrFiltering filter = new YCbCrFiltering();
// set color ranges to keep
filter.Y = new Range(Ymin, Ymax);
filter.Cb = new Range(Cbmin, Cbmax);
filter.Cr = new Range(Crmin, Crmax);
YCbCrImage = filter.Apply(sourceImage);
//draw the picture
pictureBox2.Image = YCbCrImage;
}
public YCbCrFilteringFilter()
{
yCbCrFiltering = new YCbCrFiltering(new Range(0.2f, 0.9f), new Range(-0.3f, 0.3f), new Range(-0.3f, 0.3f));
}
public YCbCr_filter(Range Cb, Range Cr, Range Y)
{
_filter = new YCbCrFiltering(Y, Cb, Cr);
}
