public bool Start(HostControl hostControl)
{
if (string.IsNullOrEmpty(CONFIG_PATH))
{
// Some default value.
CONFIG_PATH = "C:\\config.json";
}
try
{
this.LoadJson();
}
catch (Exception ex)
{
return(false);
}
DONE_FOLDER = Path.Combine(config.ReadFolder, "DONE");
UNRECOGNIZED_FOLDER = Path.Combine(config.ReadFolder, "UNRECOGNIZED");
this.CreateFolders();
this.directoryInfo = new DirectoryInfo(config.ReadFolder);
this.imageQueue = new ImageQueue();
this.SetupCheckTimer();
this.SetupTimeOut();
// Initial check.
Task.Run(() => { this.CheckFolder(null, null); });
return(true);
}
private void CameraGrabberFrameCallback(IntPtr Grabber, IntPtr pFrameBuffer, ref tSdkFrameHead pFrameHead, IntPtr Context)
{
int w = pFrameHead.iWidth;
int h = pFrameHead.iHeight;
bool gray = (pFrameHead.uiMediaType == (uint)emImageFormat.CAMERA_MEDIA_TYPE_MONO8);
Bitmap ImageDisp = new Bitmap(w, h,
gray ? w : w * 3,
gray ? PixelFormat.Format8bppIndexed : PixelFormat.Format24bppRgb,
pFrameBuffer);
// 如果是灰度图要设置调色板
if (gray)
{
ImageDisp.Palette = m_GrayPal;
}
using (var stream = new MemoryStream())
{
ImageDisp.Save(stream, ImageFormat.Bmp);
App.Current.Dispatcher.InvokeAsync(new Action(() =>
{
SetPreviewImage(stream);
}));
}
if (DetectFlag)
{
Image.Bitmap = ImageDisp;
ImageQueue.Enqueue(Image);
CapCount++;
}
}
// thread safe wrt. Push
internal Emgu.CV.UMat Pop()
{
Emgu.CV.UMat ret = null;
if (ImageQueue.TryDequeue(out ret))
{
return(ret);
}
return(null);
}
// thread safe wrt. Pop
internal void Push(Emgu.CV.UMat image)
{
if (image != null)
{
if (ImageQueue.Count < Nthreads_ * 2)
{
ImageQueue.Enqueue(image);
}
else
{
//we are reaching into memory limits, so dispose it to prevent
//exhausting the ram
image.Dispose();
}
}
}
void IDropTarget.Drop(IDropInfo dropInfo)
{
var dragFileList = ((DataObject)dropInfo.Data).GetFileDropList();
int Counter = 0;
foreach (String str in dragFileList)
{
if ((System.IO.Path.GetExtension(str).ToUpperInvariant() == ".JPG") ||
(System.IO.Path.GetExtension(str).ToUpperInvariant() == ".PNG"))
{
ImageQueue.Add(str);
Counter++;
}
}
dropInfo.Effects = DragDropEffects.Copy;
ConsoleLog(Counter + "/" + dragFileList.Count + " files are valid entries.");
}
public bool Start(HostControl hostControl)
{
DONE_FOLDER = Path.Combine(ConfigurationManager.AppSettings["ReadFolder"], "DONE");
UNRECOGNIZED_FOLDER = Path.Combine(ConfigurationManager.AppSettings["ReadFolder"], "UNRECOGNIZED");
this.CreateFolders();
this.directoryInfo = new DirectoryInfo(ConfigurationManager.AppSettings["ReadFolder"]);
this.imageQueue = new ImageQueue();
this.SetupCheckTimer();
this.SetupTimeOut();
// Initial check.
Task.Run(() => { this.CheckFolder(null, null); });
return(true);
}
private void Hooks_DispatcherInactive(object sender, EventArgs e)
{
using (Mat source = capture.QueryFrame())
{
var frame = new Mat();
CvInvoke.Resize(source, frame, ImageSize);
if (frame != null && DetectFlag && !frame.IsEmpty)
{
Image <Bgr, Byte> Image = new Image <Bgr, Byte>(ImageSize);
Image.Bitmap = (Bitmap)frame.Bitmap.Clone();
ImageQueue.Enqueue(Image);
using (var stream = new MemoryStream())
{
frame.Bitmap.Save(stream, ImageFormat.Png);
SetPreviewImage(stream);
}
}
}
}
public void StartDetect()
{
Task.Run(() =>
{
Task.Run(() =>
{
while (true)
{
Console.WriteLine("计算: " + FrameCount + " 采集: " + CapCount + "显示: " + DispCount + " 图片队列: " + ImageQueue.Count);
FrameCount = 0;
CapCount = 0;
DispCount = 0;
CurrentLoopCount = serialComm.LoopCount;
Thread.Sleep(1000);
}
});
AlgorithmResult[] algorithmResults;
while (DetectFlag)
{
Task.Run(() =>
{
Image <Bgr, byte> image;
if (ImageQueue.TryDequeue(out image))
{
stDetectParam = DetectParam.GetSt();
AlarmRecord.SetRange(AlarmParam.PixelRange, AlarmParam.YRange);
App.Current?.Dispatcher?.Invoke(() =>
{
if (AlarmRecord.TotalLoopCount != AlarmParam.TotalLoopCount)
{
AlarmRecord.TotalLoopCount = AlarmParam.TotalLoopCount;
Alarms.Clear();
AsyncSaveObject("Alarms", Alarms);
}
});
algorithmResults = Algorithm.DetectImage(image.Ptr, stDetectParam);
List <AlgorithmResult> results = new List <AlgorithmResult>(algorithmResults);
results.ForEach(result =>
{
if (result.bStop != 0 || result.bWidthReachStop != 0)
{
DrawRectOnScreen(result.xPos, result.yPos);
AddResultToStatistics(result.xPos, result.yPos, image.Clone());
}
});
lock (this)
{
if (detectResultStatistics.Count > 0)
{
int avgX = 0;
int avgY = 0;
DateTime beginTime = DateTime.MinValue;
DetectResultStatistic detectResultStatistic = null;
TimeSpan maxDuration = FindMaxDuration(out avgX, out avgY, out beginTime, out detectResultStatistic);
if (avgX == -1)
{
return;
}
float length = (float)((maxDuration.Seconds + maxDuration.Milliseconds / 1000.0) * AlarmParam.Velocity);
DateTime latestTime = FindLatestTime();
if (DateTime.Now - latestTime > AlarmParam.MaxErrorTime)
{
DetectState = DetectResultState.皮带正常;
AlarmHeadFlag = true;
AlarmRecord.LoopOffset = LoopOffset;
if (SaveFlag)
{
SaveFlag = false;
SaveAlarmVideo();
}
detectResultStatistics.Clear();
}
else if (maxDuration > AlarmParam.MaxHurtTime)//逻辑判断有超过maxHurtTime时间,此时发生撕伤警报
{
DetectState = DetectResultState.撕伤;
AddAlarmToStatistics(avgX, avgY, length, detectResultStatistic);
}
else if (maxDuration > AlarmParam.MaxDivTime)//逻辑判断有超过maxDivTime时间,此时发生撕裂警报
{
DetectState = DetectResultState.撕裂;
}
}
}
FrameCount++;
}
});
Thread.Sleep(10);
}
});
}
public static void init()
{
tq.init();
ImageQueue.init();
}
