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Visonpro 检测是否有缺齿

article 2025/2/21 23:26:51

一、效果展示

二、上面是原展开工具CogPolarUnwrapTool；

第二种方法：用Blob 和 CogCopyRegionTool

三、用预处理工具加减常数，让图片变得更亮点

四、圆展开工具

五、模板匹配

六、代码分解

1.创建集合和文子显示工具

CogGraphicCollection dt = new CogGraphicCollection();
  CogGraphicLabel Label;

2.加载工具，并实例化一个List集合

 dt.Clear();
    CogPolarUnwrapTool polar = mToolBlock.Tools["CogPolarUnwrapTool1"]as CogPolarUnwrapTool;
    CogPMAlignTool pma = mToolBlock.Tools["CogPMAlignTool1"]as CogPMAlignTool;
    List<double> listX = new List<double>();

3.定义图标中的坐标吗，添加集合，排序

 double total = 0;
    double x, y;
    for(int i = 0;i < pma.Results.Count;i++)
    {
      listX.Add(pma.Results[i].GetPose().TranslationX);
      total += pma.Results[i].GetPose().TranslationY;
    }
    y = total / pma.Results.Count;
    listX.Sort();

4.进行传参，找出之前的x和y坐标系，并用参数接收是否存在缺失

int a = 0;
    for(int i = 0;i < listX.Count - 1;i++)
    {
     
      if((listX[i + 1] - listX[i]) > 50)
      {
        x = (listX[i + 1] + listX[i]) / 2;
        y = total / pma.Results.Count;
        double lastx,lasty;
        polar.RunParams.GetInputPointFromOutputPoint(polar.InputImage, polar.Region, x, y, out lastx, out lasty);
        dt.Add(Create(lastx, lasty));
        a++;
      }
    }

5.进行判断是否缺失

 Label = new CogGraphicLabel();
    if(a > 0){
      Label.SetXYText(100, 100, "缺失"+a);
      Label.Color = CogColorConstants.Red;
      Label.Font = new Font("楷体", 30);
      dt.Add(Label);
    }else{
      Label.SetXYText(100, 100, "OK");
      Label.Color = CogColorConstants.Green;
      Label.Font = new Font("楷体", 30);
       dt.Add(Label);
    }

6.将上面传入圆展开的x，y坐标，进行创建圆

private CogCircle Create(double x, double y)
  {
    CogCircle co = new CogCircle();
    co.CenterX = x;
    co.CenterY = y;
    co.Radius = 20;
    co.LineWidthInScreenPixels = 6;
    co.Color = CogColorConstants.Red;
    dt.Add(co);
    return co;
    
  }

7.输出

for(int i = 0;i < dt.Count;i++)
    {
      mToolBlock.AddGraphicToRunRecord(dt[i], lastRecord, "CogIPOneImageTool1.InputImage", "");
    }

8.代码All

#region namespace imports
using System;
using System.Collections;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Windows.Forms;
using Cognex.VisionPro;
using Cognex.VisionPro.ToolBlock;
using Cognex.VisionPro3D;
using Cognex.VisionPro.ImageProcessing;
using Cognex.VisionPro.PMAlign;
#endregion

public class CogToolBlockAdvancedScript : CogToolBlockAdvancedScriptBase
{
  #region Private Member Variables
  private Cognex.VisionPro.ToolBlock.CogToolBlock mToolBlock;
  #endregion
  CogGraphicCollection dt = new CogGraphicCollection();
  CogGraphicLabel Label;
  /// <summary>
  /// Called when the parent tool is run.
  /// Add code here to customize or replace the normal run behavior.
  /// </summary>
  /// <param name="message">Sets the Message in the tool's RunStatus.</param>
  /// <param name="result">Sets the Result in the tool's RunStatus</param>
  /// <returns>True if the tool should run normally,
  ///          False if GroupRun customizes run behavior</returns>
  public override bool GroupRun(ref string message, ref CogToolResultConstants result)
  {
    // To let the execution stop in this script when a debugger is attached, uncomment the following lines.
    // #if DEBUG
    // if (System.Diagnostics.Debugger.IsAttached) System.Diagnostics.Debugger.Break();
    // #endif
    dt.Clear();
    CogPolarUnwrapTool polar = mToolBlock.Tools["CogPolarUnwrapTool1"]as CogPolarUnwrapTool;
    CogPMAlignTool pma = mToolBlock.Tools["CogPMAlignTool1"]as CogPMAlignTool;
    List<double> listX = new List<double>();

    // Run each tool using the RunTool function
    foreach(ICogTool tool in mToolBlock.Tools)
      mToolBlock.RunTool(tool, ref message, ref result);
    double total = 0;
    double x, y;
    for(int i = 0;i < pma.Results.Count;i++)
    {
      listX.Add(pma.Results[i].GetPose().TranslationX);
      total += pma.Results[i].GetPose().TranslationY;
    }
    y = total / pma.Results.Count;
    listX.Sort();
    int a = 0;
    for(int i = 0;i < listX.Count - 1;i++)
    {
     
      if((listX[i + 1] - listX[i]) > 50)
      {
        x = (listX[i + 1] + listX[i]) / 2;
        y = total / pma.Results.Count;
        double lastx,lasty;
        polar.RunParams.GetInputPointFromOutputPoint(polar.InputImage, polar.Region, x, y, out lastx, out lasty);
        dt.Add(Create(lastx, lasty));
        a++;
      }
    }
    Label = new CogGraphicLabel();
    if(a > 0){
      Label.SetXYText(100, 100, "缺失"+a);
      Label.Color = CogColorConstants.Red;
      Label.Font = new Font("楷体", 30);
      dt.Add(Label);
    }else{
      Label.SetXYText(100, 100, "OK");
      Label.Color = CogColorConstants.Green;
      Label.Font = new Font("楷体", 30);
       dt.Add(Label);
    }
    return false;
  }
  private CogCircle Create(double x, double y)
  {
    CogCircle co = new CogCircle();
    co.CenterX = x;
    co.CenterY = y;
    co.Radius = 20;
    co.LineWidthInScreenPixels = 6;
    co.Color = CogColorConstants.Red;
    dt.Add(co);
    return co;
    
  }

  #region When the Current Run Record is Created
  /// <summary>
  /// Called when the current record may have changed and is being reconstructed
  /// </summary>
  /// <param name="currentRecord">
  /// The new currentRecord is available to be initialized or customized.</param>
  public override void ModifyCurrentRunRecord(Cognex.VisionPro.ICogRecord currentRecord)
  {
  }
  #endregion

  #region When the Last Run Record is Created
  /// <summary>
  /// Called when the last run record may have changed and is being reconstructed
  /// </summary>
  /// <param name="lastRecord">
  /// The new last run record is available to be initialized or customized.</param>
  public override void ModifyLastRunRecord(Cognex.VisionPro.ICogRecord lastRecord)
  {
    for(int i = 0;i < dt.Count;i++)
    {
      mToolBlock.AddGraphicToRunRecord(dt[i], lastRecord, "CogIPOneImageTool1.InputImage", "");
    }
  }
  #endregion

  #region When the Script is Initialized
  /// <summary>
  /// Perform any initialization required by your script here
  /// </summary>
  /// <param name="host">The host tool</param>
  public override void Initialize(Cognex.VisionPro.ToolGroup.CogToolGroup host)
  {
    // DO NOT REMOVE - Call the base class implementation first - DO NOT REMOVE
    base.Initialize(host);


    // Store a local copy of the script host
    this.mToolBlock = ((Cognex.VisionPro.ToolBlock.CogToolBlock)(host));
  }
  #endregion

}

七、polar.RunParams.GetInputPointFromOutputPoint

该方法用于输出图像中的坐标 `(x, y)` 转换为输入图像中的坐标 `(lastx, lasty)`

polar.InputImage 是输入图像对象
polar.Region 可能是指定的处理区域
x, y 是输出图像中的坐标
out lastx, out lasty 是输出参数，表示转换后的输入图像中的坐标。

polar.RunParams.GetInputPointFromOutputPoint(

polar.InputImage, // 输入图像
polar.Region, // 处理区域
x, // 输出图像中的X坐标
y, // 输出图像中的Y坐标
out lastx, // 输出：对应的输入图像中的X坐标
out lasty // 输出：对应的输入图像中的Y坐标 );

注意事项：

方法的作用：该方法的主要作用是将输出图像中的坐标映射回输入图像中的坐标，通常用于图像变换后的逆向坐标查找。
参数检查：确保 polar.InputImage 和 polar.Region 已正确初始化，并且 x, y 坐标在有效的范围内。
返回值：lastx 和 lasty 是通过 out 参数返回的，因此调用后可以直接使用这两个变量获取转换后的坐标。

八、第二种方法

1.定义值

2. 工具展示

3. Blob设置

4.CogCopyReigonTool设置

添加终端链接

5.CogBlob覆盖后设置

6.代码

#region namespace imports
using System;
using System.Collections;
using System.Drawing;
using System.IO;
using System.Windows.Forms;
using Cognex.VisionPro;
using Cognex.VisionPro.ToolBlock;
using Cognex.VisionPro3D;
using Cognex.VisionPro.ImageProcessing;
using Cognex.VisionPro.Blob;
#endregion

public class CogToolBlockAdvancedScript : CogToolBlockAdvancedScriptBase
{
  #region Private Member Variables
  private Cognex.VisionPro.ToolBlock.CogToolBlock mToolBlock;
  #endregion
  CogGraphicLabel label = new CogGraphicLabel();

  /// <summary>
  /// Called when the parent tool is run.
  /// Add code here to customize or replace the normal run behavior.
  /// </summary>
  /// <param name="message">Sets the Message in the tool's RunStatus.</param>
  /// <param name="result">Sets the Result in the tool's RunStatus</param>
  /// <returns>True if the tool should run normally,
  ///          False if GroupRun customizes run behavior</returns>
  public override bool GroupRun(ref string message, ref CogToolResultConstants result)
  {
    // To let the execution stop in this script when a debugger is attached, uncomment the following lines.
    // #if DEBUG
    // if (System.Diagnostics.Debugger.IsAttached) System.Diagnostics.Debugger.Break();
    // #endif
    int count = (int) mToolBlock.Inputs["Count"].Value;
    CogBlobTool blob = mToolBlock.Tools["CogBlobTool2"]as CogBlobTool;


    // Run each tool using the RunTool function
    foreach(ICogTool tool in mToolBlock.Tools)
      mToolBlock.RunTool(tool, ref message, ref result);
    
    int currentCount = blob.Results.GetBlobs().Count;
    int diff = count - currentCount;
    string res = "";
    label.Color = CogColorConstants.Green;
    label.Font = new Font("宋体", 20);
    if (diff > 0)
    {
      res = "缺失：" + diff;
      label.Color = CogColorConstants.Red;
    }
    else
    {
      res = "良品";
      
    }
    label.SetXYText(100, 250, res);

    return false;
  }

  #region When the Current Run Record is Created
  /// <summary>
  /// Called when the current record may have changed and is being reconstructed
  /// </summary>
  /// <param name="currentRecord">
  /// The new currentRecord is available to be initialized or customized.</param>
  public override void ModifyCurrentRunRecord(Cognex.VisionPro.ICogRecord currentRecord)
  {
  }
  #endregion

  #region When the Last Run Record is Created
  /// <summary>
  /// Called when the last run record may have changed and is being reconstructed
  /// </summary>
  /// <param name="lastRecord">
  /// The new last run record is available to be initialized or customized.</param>
  public override void ModifyLastRunRecord(Cognex.VisionPro.ICogRecord lastRecord)
  {
    mToolBlock.AddGraphicToRunRecord(label, lastRecord, "CogIPOneImageTool1.InputImage", "Script");
  }
  #endregion

  #region When the Script is Initialized
  /// <summary>
  /// Perform any initialization required by your script here
  /// </summary>
  /// <param name="host">The host tool</param>
  public override void Initialize(Cognex.VisionPro.ToolGroup.CogToolGroup host)
  {
    // DO NOT REMOVE - Call the base class implementation first - DO NOT REMOVE
    base.Initialize(host);


    // Store a local copy of the script host
    this.mToolBlock = ((Cognex.VisionPro.ToolBlock.CogToolBlock)(host));
  }
  #endregion

}

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一、效果展示

二、上面是原展开工具CogPolarUnwrapTool；

第二种方法： 用Blob 和 CogCopyRegionTool

三、 用预处理工具 加减常数，让图片变得更亮点