public void Init()
{
using (var tracker = TrackerMOSSE.Create())
{
InitBase(tracker);
}
}
public void Update()
{
using (var tracker = TrackerMOSSE.Create())
{
UpdateBase(tracker);
}
}
public static void TrackObject()
{
var tracker = TrackerMOSSE.Create();
var cap = new VideoCapture();
cap.Open(0);
var image = new Mat();
cap.Read(image);
Cv2.ImShow("Debug", image);
var bbox = Cv2.SelectROI("Tracking", image, false);
var bbox2d = new Rect2d(bbox.X, bbox.Y, bbox.Width, bbox.Height);
tracker.Init(image, bbox2d);
while (true)
{
var timer = Cv2.GetTickCount();
var img = new Mat();
var success = cap.Read(img);
success = tracker.Update(img, ref bbox2d);
if (success)
{
DrawBox(img, bbox2d);
}
else
{
Cv2.PutText(img, "Lost", new OpenCvSharp.Point(100, 75), HersheyFonts.HersheySimplex, 0.7, new Scalar(0, 255, 0), 2);
}
Cv2.Rectangle(img, new OpenCvSharp.Point(15, 15), new OpenCvSharp.Point(200, 90), new Scalar(255, 0, 255), 2);
Cv2.PutText(img, "Fps:", new OpenCvSharp.Point(20, 40), HersheyFonts.HersheySimplex, 0.7, new Scalar(255, 0, 255), 2);
Cv2.PutText(img, "Status:", new OpenCvSharp.Point(20, 70), HersheyFonts.HersheySimplex, 0.7, new Scalar(255, 0, 255), 2);
var fps = (int)(Cv2.GetTickFrequency() / (Cv2.GetTickCount() - timer));
Scalar myColor;
if (fps > 60)
{
myColor = new Scalar(20, 230, 20);
}
else if (fps > 20)
{
myColor = new Scalar(230, 20, 20);
}
else
{
myColor = new Scalar(20, 20, 230);
}
Cv2.PutText(img, fps.ToString(), new OpenCvSharp.Point(75, 40), HersheyFonts.HersheySimplex, 0.7, myColor, 2);
Cv2.ImShow("Tracking", img);
if (Cv2.WaitKey(1) == 113)
{
Cv2.DestroyWindow("Tracking");
break;
}
}
}
TrackerMOSSE Tracker; //追踪算法
/// <summary>
/// 更新跟踪目标
/// </summary>
public void updateTracker()
{
while (cal)
{
; //等
}
tgt = bbox; //设置跟踪框
if (Tracker != null)
{
Tracker.Dispose(); //毙了之前的进程
}
GC.Collect(); //资源回收
Tracker = TrackerMOSSE.Create(); //设置新的跟踪进程
Tracker.Init(src, tgt); //初始化
}
