int GetDimensionResults(int dimensionMin, int dimensionMax, bool isHighSetting, Func <int, MCvScalar, MCvScalar> scalarUpdator)
{
var results = new List <AutoThresholdResult>();
var requiredArea = _targetRegion.Area() * RequiredMomentAreaInRoiPercent / 100;
Func <ColourDetectorOutput, bool> meetsMinimumAreaRequired = o => o.MomentArea >= requiredArea;
for (int i = dimensionMin; i < dimensionMax; i++)
{
var detectorInput = new ColourDetectorInput();
detectorInput.Captured = _input;
detectorInput.ErodeDilateIterations = ErodeDilateIterations;
detectorInput.Settings.Absorb(_settings);
detectorInput.Settings.MomentArea = new RangeF(0, float.MaxValue);
if (isHighSetting)
{
detectorInput.Settings.HighThreshold = scalarUpdator(i, detectorInput.Settings.HighThreshold);
}
else
{
detectorInput.Settings.LowThreshold = scalarUpdator(i, detectorInput.Settings.LowThreshold);
}
var tickResult = new AutoThresholdResult();
tickResult.DimensionValue = i;
detectorInput.Settings.Roi = _targetRegion;
tickResult.RoiOutput = _colourDetector.Process(detectorInput);
// Save processing the full screen if it doesn't meet minimum ROI requirements
if (meetsMinimumAreaRequired(tickResult.RoiOutput))
{
detectorInput.Settings.Roi = Rectangle.Empty;
tickResult.FullOutput = _colourDetector.Process(detectorInput);
results.Add(tickResult);
}
ColourCheckTick?.Invoke(this, tickResult);
Intercept?.Invoke(detectorInput);
}
// Remove any where region of interest isn't highlighted
results.RemoveAll(r => r.RoiOutput.MomentArea < requiredArea);
// Pick the smallest thresholded area left in full screen
var result = results
.OrderBy(r => r.FullOutput.MomentArea)
.FirstOrDefault();
if (result == null)
{
return(isHighSetting ? dimensionMax : dimensionMin);
}
return(result.DimensionValue);
}
private void ThresholdSelector_ColourCheckTick(object sender, AutoThresholdResult e)
{
if (e.FullOutput ==null || e.FullOutput.ThresholdImage == null)
{
return;
}
var processed = e.FullOutput.ThresholdImage;
var enhanced = processed.Mat.ToImage<Bgr, byte>();
enhanced.Draw(_readyRectangle, new Bgr(Color.Blue));
imageBoxFiltered.Image = enhanced;
}