AoiEyemTemplateMethod.cs
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using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.IO;
using System.Linq;
using System.Net.Http.Headers;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using OpenCvSharp;
using OpenCvSharp.Blob;
using OpenCvSharp.ImgHash;
using OpenCvSharp.XFeatures2D;
using static AOI.Eyemlib;
namespace AOI
{
/// <summary>
/// 模板匹配
/// </summary>
public class AoiEyemTemplateMethod : AoiMethod
{
/// <summary>
/// 相似度百分比
/// </summary>
public double SamePercent = 80;
public double AnglePercent = 180;
public override ResultBean Check(Image standardImage, Image imageToCheck)
{
ResultBean resultBean = new ResultBean(MethodName,4,SamePercent,SamePercent);
bool needCut = true;
Image standardRoiImg = GetRoiImage(standardImage, needCut);
resultBean.standardRoiImage = standardRoiImg;
double percent=0d, angle=0d;
Image cutImg = null;
//将基准图切割成小块
if (CuttingAOIArea(standardImage, out Bitmap standardAOIImage, out RectangleF rect))
{
(percent, angle) = GetTemplateMatchPercent(standardAOIImage, imageToCheck,rect ,out cutImg);
}
bool result = false;
if(SamePercent > 100)
{
SamePercent = 100;
}
if(percent >= SamePercent && angle<=AnglePercent)
{
result = true;
}
if (!resultBean.result)
{
string p = getSaveImagePath(AoiProject.FilePath, this.RoiPath);
string aoipath = AoiProject.FilePath;
string xypath= Path.GetFileNameWithoutExtension(aoipath);
PointF[] points = this.RoiPath.PathData.Points;
//if (Directory.Exists(xypath))
//{
// string pst = null;
// PointF[] points = this.RoiPath.PathData.Points;
// if (points.Length >= 4)
// {
// for (int i = 0; i < points.Length; i++)
// {
// pst += (int)points[i].X + "-" + (int)points[i].Y + "_";
// }
// string path = Path.Combine(xypath,pst);
if (Directory.Exists(p))
{
string[] files = Directory.GetFiles(p);
foreach (string file in files)
{
try
{
if (file.EndsWith(".jpg") || file.EndsWith(".png") || file.EndsWith(".bmp") || file.EndsWith(".gif"))
{
Bitmap bmp = new Bitmap(file);
RectangleF rects = new RectangleF(points[0], new System.Drawing.Size(bmp.Width, bmp.Height));
(percent, angle) = GetTemplateMatchPercent(bmp, imageToCheck, rects, out cutImg);
if (percent >= SamePercent && angle <= AnglePercent)
{
result = true;
break;
}
}
}
catch(Exception ex)
{
Console.WriteLine( MethodName+" 补充检测["+ file + "]出错：" + ex.ToString());
}
}
}
//}
//}
}
resultBean.currentRoiImage = cutImg;
resultBean.result = result;
resultBean.percentValue = Math.Round(percent, 3);
resultBean.checkData = angle;
return resultBean;
}
private string getSaveImagePath(string aoiFileName, GraphicsPath gPath)
{
string path = Path.GetDirectoryName(aoiFileName);
string fileName = Path.GetFileNameWithoutExtension(aoiFileName);
System.Drawing.PointF[] pts = gPath.PathPoints;
string pPath = "";
for (int i = 0; i < pts.Length; i++)
{
pPath += (int)pts[i].X + "-" + (int)pts[i].Y + "_";
}
return Path.Combine(path, fileName + @"\" + pPath + @"\");
}
/// <summary>
/// 获取模板相似度
/// </summary>
/// <param name="standardImage"></param>
/// <param name="imageToCheck"></param>
/// <param name="cutImg"></param>
/// <returns></returns>
public (double,double) GetTemplateMatchPercent(Image standardAOIImage, Image imageToCheck, RectangleF rect, out Image cutImg)
{
cutImg = null;
//if (RoiPath == null)
// return (0d, 0d);
//var rect = RoiPath.GetBounds();
//if (rect == RectangleF.Empty)
// return (0d, 0d);
//float MatchRoi_Inflate = ConfigHelper.Config.Get("SURF_MatchRect_Inflate", 0.3f);
//var newroi = new RectangleF(rect.Location,rect.Size);
//newroi.Inflate(rect.Width * MatchRoi_Inflate, rect.Height * MatchRoi_Inflate);
//var bitmap1 = AoiProject.CropBitmap((Bitmap)standardImage, newroi);
var template = Eyemlib.eyemCvtToEyemImage((Bitmap)standardAOIImage);
var search = Eyemlib.eyemCvtToEyemImage((Bitmap)imageToCheck);
int iNumMatches = 5;//目标个数
double dToleranceAngle = 0.0;//要检测目标容忍角度
double dMaxOverlap = 0.0;//重叠比例
double dScore = 0.8;//最小分数
//模板匹配
EyemTargetMatch[] tpResults = new EyemTargetMatch[iNumMatches];
IntPtr ResultHandle = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(EyemTargetMatch)) * tpResults.Length);
rect.X -= CenterOffsetX;
rect.Y -= CenterOffsetY;
//框选模板匹配位置（通常左上角位置选一块）
EyemRect tpRoiTemplate = new EyemRect();
tpRoiTemplate.iXs = (int)(rect.X);
tpRoiTemplate.iYs = (int)(rect.Y);
tpRoiTemplate.iWidth = (int)rect.Width;
tpRoiTemplate.iHeight = (int)rect.Height;
//var search = eyemCvtToEyemImage((Bitmap)imageToCheck);
Eyemlib.eyemCopyRegion(search, tpRoiTemplate, out Eyemlib.EyemImage templ);
if(templ.iWidth==0)
return (0, 0);
cutImg = eyemCvtToBitmap(templ);
//可以用来调试查看图像
//Eyemlib.eyemNamedWindow("templ");
//Eyemlib.eyemImshow("templ", templ);
//Eyemlib.eyemWaitkey();
//Eyemlib.eyemImshow("templ", template);
//Eyemlib.eyemWaitkey();
Eyemlib.eyemMakeNCCModel(templ, 256);
//额外用法包括确定电容正负极，比如模板为0方向，搜寻到目标角度|angle|>45°判断极性错误等等
var flag = Eyemlib.eyemFindNCCModel(template, dToleranceAngle, iNumMatches, dMaxOverlap, dScore, true, ResultHandle, out EyemImage tpDstImg);
if (flag != 0)
return (0,0);
eyemImageFree(ref templ);
eyemImageFree(ref template);
eyemImageFree(ref search);
tpResults = Eyemlib.eyemIntPtr2StructArray<EyemTargetMatch>(ResultHandle, tpResults.Length).ToArray();
int matchscore = 0;
double anglescore = 0;
double maxscore = 0;
//检测到目标
for (int i = 0; i < tpResults.Length; i++)
{
if (tpResults[i].fMatchScore > 0 && tpResults[i].fMatchScore>maxscore)// && rect.Contains(tpResults[i].fCenterX, tpResults[i].fCenterY))
{
matchscore = (int)(tpResults[i].fMatchScore*100);
anglescore = Math.Abs(tpResults[i].fMatchAngle);
maxscore = matchscore;
Console.WriteLine(string.Format("目标{0}，位置({1},{2})，匹配分数{3}",
i, tpResults[i].fCenterX.ToString("F3"), tpResults[i].fCenterY.ToString("F3"), tpResults[i].fMatchScore.ToString("F3")));
}
}
if (matchscore == 0) {
Bitmap bitmap = Eyemlib.eyemCvtToBitmap(tpDstImg);
bitmap.Save("\\match.png");
}
eyemImageFree(ref tpDstImg);
Marshal.FreeHGlobal(ResultHandle);
return (matchscore,anglescore);
}
public bool CuttingAOIArea(Image standardImage,out Bitmap standardAOIImage,out RectangleF rect)
{
standardAOIImage = null;
rect = new RectangleF();
try
{
if (RoiPath == null)
return false;
rect = RoiPath.GetBounds();
if (rect == RectangleF.Empty)
return false;
float MatchRoi_Inflate = ConfigHelper.Config.Get("SURF_MatchRect_Inflate", 0.3f);
var newroi = new RectangleF(rect.Location, rect.Size);
newroi.Inflate(rect.Width * MatchRoi_Inflate, rect.Height * MatchRoi_Inflate);
standardAOIImage= AoiProject.CropBitmap((Bitmap)standardImage, newroi);
}
catch (Exception)
{
return false;
}
return true;
}
}
}