////////////////////////////////////////////////////////////////////////////////
//
// Function Name: IVA_Classification_Extract_Particles
//
// Description : Extracts the region of interests of the bounding rectangles of
// all particles.
//
// Parameters : image - Input image
// imageMask - Image mask
// rois - Array of ROIs
//
// Return Value : success
//
////////////////////////////////////////////////////////////////////////////////
public static Collection <Roi> IVA_Classification_Extract_Particles(VisionImage image, VisionImage imageMask)
{
Collection <MeasurementType> measurements = new Collection <MeasurementType>();
measurements.Add(MeasurementType.BoundingRectLeft);
measurements.Add(MeasurementType.BoundingRectTop);
measurements.Add(MeasurementType.BoundingRectRight);
measurements.Add(MeasurementType.BoundingRectBottom);
// Compute the region of interests around each particle.
ParticleMeasurementsReport particleReport = Algorithms.ParticleMeasurements(imageMask, measurements, Connectivity.Connectivity8, ParticleMeasurementsCalibrationMode.Pixel);
Collection <Roi> rois = new Collection <Roi>();
for (int i = 0; i < particleReport.PixelMeasurements.GetLength(0); i++)
{
double top = particleReport.PixelMeasurements[i, 1] + imageMask.MaskOffset.Y - 5;
top = (top < 0 ? 0 : top);
double left = particleReport.PixelMeasurements[i, 0] + imageMask.MaskOffset.X - 5;
left = (left < 0 ? 0 : left);
double bottom = particleReport.PixelMeasurements[i, 3] + imageMask.MaskOffset.Y + 5;
bottom = (bottom > (image.Height - 1) ? (image.Height - 1) : bottom);
double right = particleReport.PixelMeasurements[i, 2] + imageMask.MaskOffset.X + 5;
right = (right > (image.Width - 1) ? (image.Width - 1) : right);
Roi particleROI = new Roi();
particleROI.Add(new RectangleContour(left, top, right - left + 1, bottom - top + 1));
rois.Add(particleROI);
}
return(rois);
}
private static void IVA_Particle(VisionImage image,
Connectivity connectivity,
Collection <MeasurementType> pPixelMeasurements,
Collection <MeasurementType> pCalibratedMeasurements,
IVA_Data ivaData,
int stepIndex,
out ParticleMeasurementsReport partReport,
out ParticleMeasurementsReport partReportCal)
{
// Computes the requested pixel measurements.
if (pPixelMeasurements.Count != 0)
{
partReport = Algorithms.ParticleMeasurements(image, pPixelMeasurements, connectivity, ParticleMeasurementsCalibrationMode.Pixel);
}
else
{
partReport = new ParticleMeasurementsReport();
}
// Computes the requested calibrated measurements.
if (pCalibratedMeasurements.Count != 0)
{
partReportCal = Algorithms.ParticleMeasurements(image, pCalibratedMeasurements, connectivity, ParticleMeasurementsCalibrationMode.Calibrated);
}
else
{
partReportCal = new ParticleMeasurementsReport();
}
// Computes the center of mass of each particle to log as results.
ParticleMeasurementsReport centerOfMass;
Collection <MeasurementType> centerOfMassMeasurements = new Collection <MeasurementType>();
centerOfMassMeasurements.Add(MeasurementType.CenterOfMassX);
centerOfMassMeasurements.Add(MeasurementType.CenterOfMassY);
if ((image.InfoTypes & InfoTypes.Calibration) != 0)
{
centerOfMass = Algorithms.ParticleMeasurements(image, centerOfMassMeasurements, connectivity, ParticleMeasurementsCalibrationMode.Both);
}
else
{
centerOfMass = Algorithms.ParticleMeasurements(image, centerOfMassMeasurements, connectivity, ParticleMeasurementsCalibrationMode.Pixel);
}
// Delete all the results of this step (from a previous iteration)
Functions.IVA_DisposeStepResults(ivaData, stepIndex);
ivaData.stepResults[stepIndex].results.Add(new IVA_Result("Object #", centerOfMass.PixelMeasurements.GetLength(0)));
if (centerOfMass.PixelMeasurements.GetLength(0) > 0)
{
for (int i = 0; i < centerOfMass.PixelMeasurements.GetLength(0); ++i)
{
ivaData.stepResults[stepIndex].results.Add(new IVA_Result(String.Format("Particle {0}.X Position (Pix.)", i + 1), centerOfMass.PixelMeasurements[i, 0]));
ivaData.stepResults[stepIndex].results.Add(new IVA_Result(String.Format("Particle {0}.Y Position (Pix.)", i + 1), centerOfMass.PixelMeasurements[i, 1]));
// If the image is calibrated, also store the real world coordinates.
if ((image.InfoTypes & InfoTypes.Calibration) != 0)
{
ivaData.stepResults[stepIndex].results.Add(new IVA_Result(String.Format("Particle {0}.X Position (Calibrated)", i + 1), centerOfMass.CalibratedMeasurements[i, 0]));
ivaData.stepResults[stepIndex].results.Add(new IVA_Result(String.Format("Particle {0}.Y Position (Calibrated)", i + 1), centerOfMass.CalibratedMeasurements[i, 1]));
}
}
}
}
