public void TestColorEqual()
{
Bgr c1 = new Bgr(0.0, 0.0, 0.0);
Bgr c2 = new Bgr(0.0, 0.0, 0.0);
Assert.IsTrue(c1.Equals(c2));
}
void capture_ImageGrabbed(object sender, EventArgs e)
{
if (Mode.ResultView == _mode)
{
return;
}
Interlocked.Increment(ref _frameCount);
Mat mat = new Mat();
_capture.Read(mat);
if (Mode.Preview == _mode)
{
RenderImage(mat);
return;
}
if (_resultReset.WaitOne(0))
{
_resultImage = null;
}
if (_modelChanged.WaitOne(0))
{
lock (_modelSync)
{
activeMethod = _method;
activeThreshold = _threshold;
activeAlpha = _alpha;
activeColorAlpha = _colorAlpha;
if (colorIndex < colors.Count)
{
activeColor = new Bgr(colors[colorIndex]);
}
else
{
activeColorAlpha = 0;
}
}
thresholdColor = new Hls(0, 255 * activeThreshold, 0);
}
Image <Bgr, Byte> frame = mat.ToImage <Bgr, Byte>();
if (null == _resultImage)
{
_previousImage = frame.Clone();
_resultImage = frame.Clone();
}
else
{
Image <Gray, byte> mask = null;
if (0 == activeMethod)
{
mask = frame.Sub(_previousImage).Convert <Hls, byte>().ThresholdBinary(thresholdColor, hlsWhiteColor).Convert <Gray, byte>();
}
else
{
mask = _previousImage.Sub(frame).Convert <Hls, byte>().ThresholdBinary(thresholdColor, hlsWhiteColor).Convert <Gray, byte>();
}
Image <Bgr, Byte> basis = _previousImage.And(bgrWhiteColor, mask.Not());
Image <Bgr, Byte> applied = _previousImage.And(bgrWhiteColor, mask).AddWeighted(frame.And(bgrWhiteColor, mask), 1.0 - activeAlpha, activeAlpha, 0.0);
_previousImage = basis.Add(applied);
if (activeColorAlpha > 0)
{
if (null == _colorImage || !activeColor.Equals(_previousActiveColor))
{
_colorImage = new Image <Bgr, Byte>(applied.Width, applied.Height, activeColor);
_previousActiveColor = activeColor;
}
_resultImage = _resultImage.And(bgrWhiteColor, mask.Not())
.Add(applied.AddWeighted(_colorImage.And(bgrWhiteColor, mask), 1.0 - activeColorAlpha, activeColorAlpha, 0.0));
}
else
{
_resultImage = _previousImage;
}
}
RenderImage(_resultImage);
}
