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C# YoloV8 模型效果验证工具(OnnxRuntime+ByteTrack推理)

news 文章来源：https://blog.csdn.net/lw112190/article/details/140024005 2024/7/6 18:06:39

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效果

模型效果验证工具

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代码

using ByteTrack;
using OpenCvSharp;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Imaging;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace C__yolov8_OnnxRuntime_ByteTrack_Demo
{
public partial class Form2 : Form
{
public Form2()
{
InitializeComponent();
}

string imgFilter = "图片|*.bmp;*.jpg;*.jpeg;*.tiff;*.tiff;*.png";

YoloV8 yoloV8;
Mat image;

string image_path = "";
string model_path;

string video_path = "";
string videoFilter = "视频|*.mp4;*.avi;*.dav";
VideoCapture vcapture;
VideoWriter vwriter;
bool saveDetVideo = false;
ByteTracker tracker;

/// <summary>
/// 单图推理
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button2_Click(object sender, EventArgs e)
{

if (image_path == "")
{
return;
}

button2.Enabled = false;
pictureBox2.Image = null;
textBox1.Text = "";

Application.DoEvents();

image = new Mat(image_path);

List<DetectionResult> detResults = yoloV8.Detect(image);

//绘制结果
Mat result_image = image.Clone();
foreach (DetectionResult r in detResults)
{
string info = $"{r.Class}:{r.Confidence:P0}";
//绘制
Cv2.PutText(result_image, info, new OpenCvSharp.Point(r.Rect.TopLeft.X, r.Rect.TopLeft.Y - 10), HersheyFonts.HersheySimplex, 1, Scalar.Red, 2);
Cv2.Rectangle(result_image, r.Rect, Scalar.Red, thickness: 2);

}

if (pictureBox2.Image != null)
{
pictureBox2.Image.Dispose();
}
pictureBox2.Image = new Bitmap(result_image.ToMemoryStream());
textBox1.Text = yoloV8.DetectTime();

button2.Enabled = true;

}

/// <summary>
/// 窗体加载，初始化
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Form1_Load(object sender, EventArgs e)
{
image_path = "test/dog.jpg";
pictureBox1.Image = new Bitmap(image_path);

model_path = "model/yolov8n.onnx";

yoloV8 = new YoloV8(model_path, "model/lable.txt");
}

/// <summary>
/// 选择图片
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button1_Click_1(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = imgFilter;
if (ofd.ShowDialog() != DialogResult.OK) return;

pictureBox1.Image = null;

image_path = ofd.FileName;
pictureBox1.Image = new Bitmap(image_path);

textBox1.Text = "";
pictureBox2.Image = null;
}

/// <summary>
/// 选择视频
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button4_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = videoFilter;
ofd.InitialDirectory = Application.StartupPath + "\\test";
if (ofd.ShowDialog() != DialogResult.OK) return;

video_path = ofd.FileName;

textBox1.Text = video_path;
//pictureBox1.Image = null;
//pictureBox2.Image = null;

//button3_Click(null, null);

}

/// <summary>
/// 视频推理
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button3_Click(object sender, EventArgs e)
{
if (video_path == "")
{
MessageBox.Show("请先选择视频！");
return;
}

textBox1.Text = "开始检测";

Application.DoEvents();

Thread thread = new Thread(new ThreadStart(VideoDetection));

thread.Start();
thread.Join();

textBox1.Text = "检测完成！";
}

void VideoDetection()
{
vcapture = new VideoCapture(video_path);
if (!vcapture.IsOpened())
{
MessageBox.Show("打开视频文件失败");
return;
}

tracker = new ByteTracker((int)vcapture.Fps, 200);

Mat frame = new Mat();
List<DetectionResult> detResults;

// 获取视频的fps
double videoFps = vcapture.Get(VideoCaptureProperties.Fps);
// 计算等待时间（毫秒）
int delay = (int)(1000 / videoFps);
Stopwatch _stopwatch = new Stopwatch();

if (checkBox1.Checked)
{
vwriter = new VideoWriter("out.mp4", FourCC.X264, vcapture.Fps, new OpenCvSharp.Size(vcapture.FrameWidth, vcapture.FrameHeight));
saveDetVideo = true;
}
else
{
saveDetVideo = false;
}

Cv2.NamedWindow("DetectionResult 按下ESC，退出", WindowFlags.Normal);
Cv2.ResizeWindow("DetectionResult 按下ESC，退出", vcapture.FrameWidth / 2, vcapture.FrameHeight / 2);

while (vcapture.Read(frame))
{
if (frame.Empty())
{
MessageBox.Show("读取失败");
return;
}
Mat mat_temp = frame.Clone();
_stopwatch.Restart();

delay = (int)(1000 / videoFps);

detResults = yoloV8.Detect(frame);

//绘制结果
//foreach (DetectionResult r in detResults)
//{
// Cv2.PutText(frame, $"{r.Class}:{r.Confidence:P0}", new OpenCvSharp.Point(r.Rect.TopLeft.X, r.Rect.TopLeft.Y - 10), HersheyFonts.HersheySimplex, 1, Scalar.Red, 2);
// Cv2.Rectangle(frame, r.Rect, Scalar.Red, thickness: 2);
//}

Cv2.PutText(frame, "preprocessTime:" + yoloV8.preprocessTime.ToString("F2") + "ms", new OpenCvSharp.Point(10, 30), HersheyFonts.HersheySimplex, 1, Scalar.Red, 2);
Cv2.PutText(frame, "inferTime:" + yoloV8.inferTime.ToString("F2") + "ms", new OpenCvSharp.Point(10, 70), HersheyFonts.HersheySimplex, 1, Scalar.Red, 2);
Cv2.PutText(frame, "postprocessTime:" + yoloV8.postprocessTime.ToString("F2") + "ms", new OpenCvSharp.Point(10, 110), HersheyFonts.HersheySimplex, 1, Scalar.Red, 2);
Cv2.PutText(frame, "totalTime:" + yoloV8.totalTime.ToString("F2") + "ms", new OpenCvSharp.Point(10, 150), HersheyFonts.HersheySimplex, 1, Scalar.Red, 2);
Cv2.PutText(frame, "video fps:" + videoFps.ToString("F2"), new OpenCvSharp.Point(10, 190), HersheyFonts.HersheySimplex, 1, Scalar.Red, 2);
Cv2.PutText(frame, "det fps:" + yoloV8.detFps.ToString("F2"), new OpenCvSharp.Point(10, 230), HersheyFonts.HersheySimplex, 1, Scalar.Red, 2);

List<Track> track = new List<Track>();
Track temp;
foreach (DetectionResult r in detResults)
{
RectBox _box = new RectBox(r.Rect.X, r.Rect.Y, r.Rect.Width, r.Rect.Height);
temp = new Track(_box, r.Confidence, ("label", r.ClassId), ("name", r.Class));
track.Add(temp);
}

var trackOutputs = tracker.Update(track);

foreach (var t in trackOutputs)
{
int x = (int)t.RectBox.X;
int y = (int)t.RectBox.Y;
int width = (int)t.RectBox.Width;
int height = (int)t.RectBox.Height;

if (x < 0)
{
x = 0;
}

if (y < 0)
{
y = 0;
}

if (x + width > mat_temp.Width)
{
width = mat_temp.Width - x;
}

if (y + height > mat_temp.Height)
{
height = mat_temp.Height - y;
}

Rect rect = new Rect(x, y, width, height);

string txt = $"{t["name"]}-{t.TrackId}:{t.Score:P0}";

//if (t["name"].ToString() != "Plate" && t["name"].ToString() != "Person")
//{
// Mat mat_car = new Mat(mat_temp, rect);
// KeyValuePair<string, float> cls = yoloV8_Cls.Detect(mat_car);
// mat_car.Dispose();
// txt += $" {cls.Key}:{cls.Value:P0}";
//}

//string txt = $"{t["name"]}-{t.TrackId}";
Cv2.PutText(frame, txt, new OpenCvSharp.Point(rect.TopLeft.X, rect.TopLeft.Y - 10), HersheyFonts.HersheySimplex, 1, Scalar.Red, 2);
Cv2.Rectangle(frame, rect, Scalar.Red, thickness: 2);
}
mat_temp.Dispose();

if (saveDetVideo)
{
vwriter.Write(frame);
}

Cv2.ImShow("DetectionResult 按下ESC，退出", frame);

// for test
// delay = 1;
delay = (int)(delay - _stopwatch.ElapsedMilliseconds);
if (delay <= 0)
{
delay = 1;
}
//Console.WriteLine("delay:" + delay.ToString()) ;
if (Cv2.WaitKey(delay) == 27 || Cv2.GetWindowProperty("DetectionResult 按下ESC，退出", WindowPropertyFlags.Visible) < 1.0)
{
Cv2.DestroyAllWindows();
vcapture.Release();
break;
}
}

Cv2.DestroyAllWindows();
vcapture.Release();
if (saveDetVideo)
{
vwriter.Release();
}

}

string model_path1 = "";
string model_path2 = "";
string onnxFilter = "onnx模型|*.onnx;";

private void button5_Click(object sender, EventArgs e)
{
if (video_path == "")
{
MessageBox.Show("请先选择视频！");
return;
}

if (model_path1 == "")
{
MessageBox.Show("选择模型1");
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = onnxFilter;
ofd.InitialDirectory = Application.StartupPath + "\\model";
if (ofd.ShowDialog() != DialogResult.OK) return;
model_path1 = ofd.FileName;
}

if (model_path2 == "")
{
MessageBox.Show("选择模型2");
OpenFileDialog ofd1 = new OpenFileDialog();
ofd1.Filter = onnxFilter;
ofd1.InitialDirectory = Application.StartupPath + "\\model";
if (ofd1.ShowDialog() != DialogResult.OK) return;
model_path2 = ofd1.FileName;
}

textBox1.Text = "开始检测";
Application.DoEvents();

Task task = new Task(() =>
{
VideoCapture vcapture = new VideoCapture(video_path);
if (!vcapture.IsOpened())
{
MessageBox.Show("打开视频文件失败");
return;
}

YoloV8_Compare yoloV8 = new YoloV8_Compare(model_path1, model_path2, "model/lable.txt");

Mat frame = new Mat();

// 获取视频的fps
double videoFps = vcapture.Get(VideoCaptureProperties.Fps);
// 计算等待时间（毫秒）
int delay = (int)(1000 / videoFps);
Stopwatch _stopwatch = new Stopwatch();

Cv2.NamedWindow("DetectionResult 按下ESC，退出", WindowFlags.Normal);
Cv2.ResizeWindow("DetectionResult 按下ESC，退出", vcapture.FrameWidth, vcapture.FrameHeight / 2);

while (vcapture.Read(frame))
{
if (frame.Empty())
{
MessageBox.Show("读取失败");
return;
}

_stopwatch.Restart();

delay = (int)(1000 / videoFps);

Mat result = yoloV8.Detect(frame, videoFps.ToString("F2"));

Cv2.ImShow("DetectionResult 按下ESC，退出", result);

// for test
// delay = 1;
delay = (int)(delay - _stopwatch.ElapsedMilliseconds);
if (delay <= 0)
{
delay = 1;
}
//Console.WriteLine("delay:" + delay.ToString()) ;
// 如果按下ESC或点击关闭，退出循环
if (Cv2.WaitKey(delay) == 27 || Cv2.GetWindowProperty("DetectionResult 按下ESC，退出", WindowPropertyFlags.Visible) < 1.0)
{
Cv2.DestroyAllWindows();
vcapture.Release();
break;
}
}

textBox1.Invoke(new Action(() =>
{
textBox1.Text = "检测结束！";

}));

});
task.Start();

}

//保存
SaveFileDialog sdf = new SaveFileDialog();
private void button6_Click(object sender, EventArgs e)
{
if (pictureBox2.Image == null)
{
return;
}
Bitmap output = new Bitmap(pictureBox2.Image);
sdf.Title = "保存";
sdf.Filter = "Images (*.jpg)|*.jpg|Images (*.png)|*.png|Images (*.bmp)|*.bmp";
if (sdf.ShowDialog() == DialogResult.OK)
{
switch (sdf.FilterIndex)
{
case 1:
{
output.Save(sdf.FileName, ImageFormat.Jpeg);
break;
}
case 2:
{
output.Save(sdf.FileName, ImageFormat.Png);
break;
}
case 3:
{
output.Save(sdf.FileName, ImageFormat.Bmp);
break;
}
}
MessageBox.Show("保存成功，位置：" + sdf.FileName);
}

}

/// <summary>
/// 选择模型
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button7_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = onnxFilter;
ofd.InitialDirectory = Application.StartupPath + "\\model";
if (ofd.ShowDialog() != DialogResult.OK) return;
model_path = ofd.FileName;
yoloV8 = new YoloV8(model_path, "model/lable.txt");

}
}

}

using ByteTrack;
using OpenCvSharp;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Imaging;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;namespace C__yolov8_OnnxRuntime_ByteTrack_Demo
{public partial class Form2 : Form{public Form2(){InitializeComponent();}string imgFilter = "图片|*.bmp;*.jpg;*.jpeg;*.tiff;*.tiff;*.png";YoloV8 yoloV8;Mat image;string image_path = "";string model_path;string video_path = "";string videoFilter = "视频|*.mp4;*.avi;*.dav";VideoCapture vcapture;VideoWriter vwriter;bool saveDetVideo = false;ByteTracker tracker;/// <summary>/// 单图推理/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button2_Click(object sender, EventArgs e){if (image_path == ""){return;}button2.Enabled = false;pictureBox2.Image = null;textBox1.Text = "";Application.DoEvents();image = new Mat(image_path);List<DetectionResult> detResults = yoloV8.Detect(image);//绘制结果Mat result_image = image.Clone();foreach (DetectionResult r in detResults){string info = $"{r.Class}:{r.Confidence:P0}";//绘制Cv2.PutText(result_image, info, new OpenCvSharp.Point(r.Rect.TopLeft.X, r.Rect.TopLeft.Y - 10), HersheyFonts.HersheySimplex, 1, Scalar.Red, 2);Cv2.Rectangle(result_image, r.Rect, Scalar.Red, thickness: 2);}if (pictureBox2.Image != null){pictureBox2.Image.Dispose();}pictureBox2.Image = new Bitmap(result_image.ToMemoryStream());textBox1.Text = yoloV8.DetectTime();button2.Enabled = true;}/// <summary>/// 窗体加载，初始化/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void Form1_Load(object sender, EventArgs e){image_path = "test/dog.jpg";pictureBox1.Image = new Bitmap(image_path);model_path = "model/yolov8n.onnx";yoloV8 = new YoloV8(model_path, "model/lable.txt");}/// <summary>/// 选择图片/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button1_Click_1(object sender, EventArgs e){OpenFileDialog ofd = new OpenFileDialog();ofd.Filter = imgFilter;if (ofd.ShowDialog() != DialogResult.OK) return;pictureBox1.Image = null;image_path = ofd.FileName;pictureBox1.Image = new Bitmap(image_path);textBox1.Text = "";pictureBox2.Image = null;}/// <summary>/// 选择视频/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button4_Click(object sender, EventArgs e){OpenFileDialog ofd = new OpenFileDialog();ofd.Filter = videoFilter;ofd.InitialDirectory = Application.StartupPath + "\\test";if (ofd.ShowDialog() != DialogResult.OK) return;video_path = ofd.FileName;textBox1.Text = video_path;//pictureBox1.Image = null;//pictureBox2.Image = null;//button3_Click(null, null);}/// <summary>/// 视频推理/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button3_Click(object sender, EventArgs e){if (video_path == ""){MessageBox.Show("请先选择视频！");return;}textBox1.Text = "开始检测";Application.DoEvents();Thread thread = new Thread(new ThreadStart(VideoDetection));thread.Start();thread.Join();textBox1.Text = "检测完成！";}void VideoDetection(){vcapture = new VideoCapture(video_path);if (!vcapture.IsOpened()){MessageBox.Show("打开视频文件失败");return;}tracker = new ByteTracker((int)vcapture.Fps, 200);Mat frame = new Mat();List<DetectionResult> detResults;// 获取视频的fpsdouble videoFps = vcapture.Get(VideoCaptureProperties.Fps);// 计算等待时间（毫秒）int delay = (int)(1000 / videoFps);Stopwatch _stopwatch = new Stopwatch();if (checkBox1.Checked){vwriter = new VideoWriter("out.mp4", FourCC.X264, vcapture.Fps, new OpenCvSharp.Size(vcapture.FrameWidth, vcapture.FrameHeight));saveDetVideo = true;}else{saveDetVideo = false;}Cv2.NamedWindow("DetectionResult 按下ESC，退出", WindowFlags.Normal);Cv2.ResizeWindow("DetectionResult 按下ESC，退出", vcapture.FrameWidth / 2, vcapture.FrameHeight / 2);while (vcapture.Read(frame)){if (frame.Empty()){MessageBox.Show("读取失败");return;}Mat mat_temp = frame.Clone();_stopwatch.Restart();delay = (int)(1000 / videoFps);detResults = yoloV8.Detect(frame);//绘制结果//foreach (DetectionResult r in detResults)//{//    Cv2.PutText(frame, $"{r.Class}:{r.Confidence:P0}", new OpenCvSharp.Point(r.Rect.TopLeft.X, r.Rect.TopLeft.Y - 10), HersheyFonts.HersheySimplex, 1, Scalar.Red, 2);//    Cv2.Rectangle(frame, r.Rect, Scalar.Red, thickness: 2);//}Cv2.PutText(frame, "preprocessTime:" + yoloV8.preprocessTime.ToString("F2") + "ms", new OpenCvSharp.Point(10, 30), HersheyFonts.HersheySimplex, 1, Scalar.Red, 2);Cv2.PutText(frame, "inferTime:" + yoloV8.inferTime.ToString("F2") + "ms", new OpenCvSharp.Point(10, 70), HersheyFonts.HersheySimplex, 1, Scalar.Red, 2);Cv2.PutText(frame, "postprocessTime:" + yoloV8.postprocessTime.ToString("F2") + "ms", new OpenCvSharp.Point(10, 110), HersheyFonts.HersheySimplex, 1, Scalar.Red, 2);Cv2.PutText(frame, "totalTime:" + yoloV8.totalTime.ToString("F2") + "ms", new OpenCvSharp.Point(10, 150), HersheyFonts.HersheySimplex, 1, Scalar.Red, 2);Cv2.PutText(frame, "video fps:" + videoFps.ToString("F2"), new OpenCvSharp.Point(10, 190), HersheyFonts.HersheySimplex, 1, Scalar.Red, 2);Cv2.PutText(frame, "det fps:" + yoloV8.detFps.ToString("F2"), new OpenCvSharp.Point(10, 230), HersheyFonts.HersheySimplex, 1, Scalar.Red, 2);List<Track> track = new List<Track>();Track temp;foreach (DetectionResult r in detResults){RectBox _box = new RectBox(r.Rect.X, r.Rect.Y, r.Rect.Width, r.Rect.Height);temp = new Track(_box, r.Confidence, ("label", r.ClassId), ("name", r.Class));track.Add(temp);}var trackOutputs = tracker.Update(track);foreach (var t in trackOutputs){int x = (int)t.RectBox.X;int y = (int)t.RectBox.Y;int width = (int)t.RectBox.Width;int height = (int)t.RectBox.Height;if (x < 0){x = 0;}if (y < 0){y = 0;}if (x + width > mat_temp.Width){width = mat_temp.Width - x;}if (y + height > mat_temp.Height){height = mat_temp.Height - y;}Rect rect = new Rect(x, y, width, height);string txt = $"{t["name"]}-{t.TrackId}:{t.Score:P0}";//if (t["name"].ToString() != "Plate" && t["name"].ToString() != "Person")//{//    Mat mat_car = new Mat(mat_temp, rect);//    KeyValuePair<string, float> cls = yoloV8_Cls.Detect(mat_car);//    mat_car.Dispose();//    txt += $" {cls.Key}:{cls.Value:P0}";//}//string txt = $"{t["name"]}-{t.TrackId}";Cv2.PutText(frame, txt, new OpenCvSharp.Point(rect.TopLeft.X, rect.TopLeft.Y - 10), HersheyFonts.HersheySimplex, 1, Scalar.Red, 2);Cv2.Rectangle(frame, rect, Scalar.Red, thickness: 2);}mat_temp.Dispose();if (saveDetVideo){vwriter.Write(frame);}Cv2.ImShow("DetectionResult 按下ESC，退出", frame);// for test// delay = 1;delay = (int)(delay - _stopwatch.ElapsedMilliseconds);if (delay <= 0){delay = 1;}//Console.WriteLine("delay:" + delay.ToString()) ;if (Cv2.WaitKey(delay) == 27 || Cv2.GetWindowProperty("DetectionResult 按下ESC，退出", WindowPropertyFlags.Visible) < 1.0){Cv2.DestroyAllWindows();vcapture.Release();break;}}Cv2.DestroyAllWindows();vcapture.Release();if (saveDetVideo){vwriter.Release();}}string model_path1 = "";string model_path2 = "";string onnxFilter = "onnx模型|*.onnx;";private void button5_Click(object sender, EventArgs e){if (video_path == ""){MessageBox.Show("请先选择视频！");return;}if (model_path1 == ""){MessageBox.Show("选择模型1");OpenFileDialog ofd = new OpenFileDialog();ofd.Filter = onnxFilter;ofd.InitialDirectory = Application.StartupPath + "\\model";if (ofd.ShowDialog() != DialogResult.OK) return;model_path1 = ofd.FileName;}if (model_path2 == ""){MessageBox.Show("选择模型2");OpenFileDialog ofd1 = new OpenFileDialog();ofd1.Filter = onnxFilter;ofd1.InitialDirectory = Application.StartupPath + "\\model";if (ofd1.ShowDialog() != DialogResult.OK) return;model_path2 = ofd1.FileName;}textBox1.Text = "开始检测";Application.DoEvents();Task task = new Task(() =>{VideoCapture vcapture = new VideoCapture(video_path);if (!vcapture.IsOpened()){MessageBox.Show("打开视频文件失败");return;}YoloV8_Compare yoloV8 = new YoloV8_Compare(model_path1, model_path2, "model/lable.txt");Mat frame = new Mat();// 获取视频的fpsdouble videoFps = vcapture.Get(VideoCaptureProperties.Fps);// 计算等待时间（毫秒）int delay = (int)(1000 / videoFps);Stopwatch _stopwatch = new Stopwatch();Cv2.NamedWindow("DetectionResult 按下ESC，退出", WindowFlags.Normal);Cv2.ResizeWindow("DetectionResult 按下ESC，退出", vcapture.FrameWidth, vcapture.FrameHeight / 2);while (vcapture.Read(frame)){if (frame.Empty()){MessageBox.Show("读取失败");return;}_stopwatch.Restart();delay = (int)(1000 / videoFps);Mat result = yoloV8.Detect(frame, videoFps.ToString("F2"));Cv2.ImShow("DetectionResult 按下ESC，退出", result);// for test// delay = 1;delay = (int)(delay - _stopwatch.ElapsedMilliseconds);if (delay <= 0){delay = 1;}//Console.WriteLine("delay:" + delay.ToString()) ;// 如果按下ESC或点击关闭，退出循环if (Cv2.WaitKey(delay) == 27 || Cv2.GetWindowProperty("DetectionResult 按下ESC，退出", WindowPropertyFlags.Visible) < 1.0){Cv2.DestroyAllWindows();vcapture.Release();break;}}textBox1.Invoke(new Action(() =>{textBox1.Text = "检测结束！";}));});task.Start();}//保存SaveFileDialog sdf = new SaveFileDialog();private void button6_Click(object sender, EventArgs e){if (pictureBox2.Image == null){return;}Bitmap output = new Bitmap(pictureBox2.Image);sdf.Title = "保存";sdf.Filter = "Images (*.jpg)|*.jpg|Images (*.png)|*.png|Images (*.bmp)|*.bmp";if (sdf.ShowDialog() == DialogResult.OK){switch (sdf.FilterIndex){case 1:{output.Save(sdf.FileName, ImageFormat.Jpeg);break;}case 2:{output.Save(sdf.FileName, ImageFormat.Png);break;}case 3:{output.Save(sdf.FileName, ImageFormat.Bmp);break;}}MessageBox.Show("保存成功，位置：" + sdf.FileName);}}/// <summary>/// 选择模型/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button7_Click(object sender, EventArgs e){OpenFileDialog ofd = new OpenFileDialog();ofd.Filter = onnxFilter;ofd.InitialDirectory = Application.StartupPath + "\\model";if (ofd.ShowDialog() != DialogResult.OK) return;model_path = ofd.FileName;yoloV8 = new YoloV8(model_path, "model/lable.txt");}}}

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