public override VisionResult Detected(VisionImage image, Dictionary <string, VisionResult> Result = null, VisionFlow parent = null, Shape newRoi = null)
{
VisionResult rtn = new VisionResult();
rtn.State = VisionResultState.WaitCal;
try
{
using (HImage hImage = VisionHelper.Image(image))
{
var roi = this.ROI;
if (newRoi != null)
{
roi = newRoi;
}
RectangleContour rect = roi as RectangleContour;
using (HImage reduceImage = hImage.ReduceDomain(
new HRegion(rect.Top, rect.Left,
rect.Top + rect.Height,
rect.Left + rect.Width)))
{
HRegion hRegion = new HRegion();
hRegion = reduceImage.Threshold(this.MinThreshold, this.MaxThreshold);
rtn.Area = hRegion.Area.D;
this.AddVisionResc(rtn, $"面积侦测成功 面积值:{rtn.Area:N3}");
rtn.State = VisionResultState.OK;
}
}
//using (VisionImage imageMask = new VisionImage(ImageType.U8, 7))
//{
// using (VisionImage image2Process = new VisionImage(ImageType.U8, 7))
// {
// //Algorithms.Copy(image, image2Process);
// Algorithms.Threshold(image, image2Process, new Range(this.Threshold, 255), true, 255);
// PixelValue fillValue = new PixelValue(255);
// Range intervalRange = new Range(0, 0);
// var roi = this.ROI;
// if (newRoi != null)
// roi = newRoi;
// Algorithms.RoiToMask(imageMask, roi.ConvertToRoi(), fillValue, image2Process);
// HistogramReport a = new HistogramReport();
// a = Algorithms.Histogram(image2Process, 256, intervalRange, imageMask);
// image2Process?.Dispose();
// imageMask?.Dispose();
// if (a.Histogram.Count >= 256)
// {
// if (CheckWhite)
// rtn.Area = a.Histogram[255];//白色区域面积
// else
// rtn.Area = a.Histogram[0];//黑色区域面积
// }
// this.AddVisionResc(rtn, $"面积:{rtn.Area}");
// rtn.State = VisionResultState.OK;
// }
//}
}
catch (VisionException ex)
{
this.AddVisionResc(rtn, ex.Message);
rtn.State = VisionResultState.NG;
}
return(rtn);
}
public override VisionResult Detected(VisionImage image, Dictionary <string, VisionResult> Result = null, VisionFlow parent = null, Shape newRoi = null)
{
VisionResult rtn = new VisionResult();
rtn.State = VisionResultState.WaitCal;
try
{
lock (locked)
{
using (VisionImage temp = new VisionImage())
{
var roi = this.ROI;
if (newRoi != null)
{
roi = newRoi;
}
using (HImage hImage = VisionHelper.Image(image))
{
RectangleContour rect = roi as RectangleContour;
using (HImage reduceImage = hImage.ReduceDomain(
new HRegion(rect.Top, rect.Left,
rect.Top + rect.Height,
rect.Left + rect.Width)))
{
HTuple numLevels = new HTuple();
numLevels.TupleAdd(this.MaxNumLevels);
numLevels.TupleAdd(this.MinNumLevels);
HTuple row, col, scaleX, scaleY, score, angle;
reduceImage.FindAnisoShapeModel(this.ShapeModel,
this.StartAngle, this.EndAngle - this.StartAngle,
this.YMinScale, this.YMaxScale,
this.XMinScale, this.XMaxScale,
this.MinScore, 1, this.MaxOverlap,
this.Pixel.ToString(),
0,
this.Greediness,
out row, out col, out angle, out scaleY, out scaleX, out score);
if (score.Length > 0)
{
rtn.State = VisionResultState.OK;
image.Overlays.Default.AddLine
(new LineContour(new PointContour(col.D - 50, row.D), new PointContour(col.D + 50, row.D)), Rgb32Value.RedColor);
image.Overlays.Default.AddLine
(new LineContour(new PointContour(col.D, row.D - 50), new PointContour(col.D, row.D + 50)), Rgb32Value.RedColor);
rtn.Point = new PointContour(col.D, row.D);
rtn.Angle = angle.TupleDeg().D;
this.AddVisionResc(rtn, $"轮廓匹配成功 角度:{rtn.Angle:N3} 分数:{score[0].D:N3}");
}
else
{
rtn.State = VisionResultState.NG;
this.AddVisionResc(rtn, $"没有找到匹配模板");
}
}
}
}
}
}
catch (HalconException ex)
{
this.AddVisionResc(rtn, $"轮廓匹配失败 {ex.GetErrorMessage()}");
}
return(rtn);
}
public override VisionResult Detected(VisionImage image, Dictionary <string, VisionResult> Result = null, VisionFlow parent = null, Shape newRoi = null)
{
VisionResult rtn = new VisionResult();
rtn.State = VisionResultState.WaitCal;
if (ROI == null || image == null)
{
rtn.State = VisionResultState.NG;
return(rtn);
}
try
{
using (VisionImage temp = new VisionImage())
{
var roi = this.ROI;
if (newRoi != null)
{
roi = newRoi;
}
using (HImage hImage = VisionHelper.Image(image))
{
RectangleContour rect = roi as RectangleContour;
using (HImage reduceImage = hImage.ReduceDomain(
new HRegion(rect.Top, rect.Left,
rect.Top + rect.Height,
rect.Left + rect.Width)))
{
string code = string.Empty;
switch (CodeType)
{
case CodeType.Code_2D_Mat:
code = "Data Matrix ECC 200";
break;
case CodeType.Code_QR:
code = "QR Code";
break;
}
using (HDataCode2D code2D = new HDataCode2D(code, "default_parameters", "maximum_recognition"))
{
HTuple result = new HTuple();
HTuple resultString = new HTuple();
code2D.FindDataCode2d(reduceImage, "stop_after_result_num", 1, out result, out resultString);
if (resultString.Length > 0)
{
rtn.BarCode = resultString.SArr[0];
this.AddVisionResc(rtn, $"条码寻找成功:{rtn.BarCode}");
rtn.State = VisionResultState.OK;
image.Overlays.Default.AddText(rtn.BarCode, new PointContour(rect.Left, rect.Top), Rgb32Value.BlueColor, new OverlayTextOptions("Consolas", 128));
}
else
{
rtn.State = VisionResultState.NG;
this.AddVisionResc(rtn, $"没有找到条码");
}
}
}
}
}
}
catch (HalconException ex)
{
this.AddVisionResc(rtn, $"没有找到条码 {ex.GetErrorMessage()}");
}
return(rtn);
}