複数のオブジェクト追跡におけるターゲット キャリブレーションの問題

#include 
using namespace cv;

int main()
{
    // 打开视频文件
    VideoCapture capture("video.mp4");
    Mat frame;
    
    // 读取视频帧并显示
    while (capture.read(frame))
    {
        imshow("Video", frame);
        
        if (waitKey(30) == 27)
        {
            break;
        }
    }
    
    // 释放视频捕捉设备
    capture.release();
    destroyAllWindows();
    
    return 0;
}

bool isDragging = false;
Rect rect;
Point startPoint;

// 鼠标事件回调函数
void onMouseEvent(int event, int x, int y, int flags, void* userdata)
{
    if (event == EVENT_LBUTTONDOWN)
    {
        isDragging = true;
        startPoint = Point(x, y);
    }
    else if (event == EVENT_LBUTTONUP)
    {
        isDragging = false;
        rect = Rect(startPoint, Point(x, y));
        
        // 在图像上绘制矩形框
        Mat& image = *(Mat*)userdata;
        rectangle(image, rect, Scalar(0, 255, 0), 2);
        imshow("Video", image);
    }
    else if (event == EVENT_MOUSEMOVE && isDragging)
    {
        // 在图像上实时绘制矩形框
        Mat& image = *(Mat*)userdata;
        Mat temp = image.clone();
        rectangle(temp, startPoint, Point(x, y), Scalar(0, 255, 0), 2);
        imshow("Video", temp);
    }
}

int main()
{
    // 打开视频文件
    VideoCapture capture("video.mp4");
    Mat frame;
    
    // 创建窗口并注册鼠标事件回调函数
    namedWindow("Video");
    setMouseCallback("Video", onMouseEvent, &frame);
    
    // 读取视频帧并显示
    while (capture.read(frame))
    {
        imshow("Video", frame);
        
        if (waitKey(30) == 27)
        {
            break;
        }
    }
    
    // 释放视频捕捉设备
    capture.release();
    destroyAllWindows();
    
    return 0;
}