private void testVideoTimer_Tick(object sender, EventArgs e)
{
//如果有影片
if (testVideoCapture != null)
{
if (isPlay)
{
lock (this)
{
int currentFrameIndex = (int)testVideoCapture.GetCaptureProperty(Emgu.CV.CvEnum.CAP_PROP.CV_CAP_PROP_POS_FRAMES);
//如果Frame的index沒有差過影片的最大index
if (currentFrameIndex < videoTotalFrame)
{
Image <Bgr, byte> currentFrame = QueryFrameAndShow();
bool isZebra;
//處理辨識===========================================================
if (currentFrame != null && ((!isVideoZebra) || (isVideoZebra && (currentFrameIndex % 60 == 0))))
{
if ((isVideoZebra && (currentFrameIndex % 5 == 0)))
{
isVideoZebra = false;
}
candidateHoughLineEquations.Clear();
Stopwatch watch = Stopwatch.StartNew();
oriImg = ZebraCrossingDetector.ToCrop(currentFrame);
processingImg = ZebraCrossingDetector.ToGray(oriImg);
processingImg = ZebraCrossingDetector.MaskWhite(processingImg);
processingImg = ZebraCrossingDetector.PepperFilter(processingImg);
candidateHoughLineEquations = ZebraCrossingDetector.DetectHoughLine(processingImg);
candidateHoughLineEquations = ZebraCrossingDetector.RepairedLines(candidateHoughLineEquations, oriImg);
if (candidateHoughLineEquations.Count != 0)
{
linesHistogram = ZebraCrossingDetector.MainGroupLineFilter(candidateHoughLineEquations, ref mainDirectionLineGroupId);
Image <Bgr, byte> stasticDst = new Image <Bgr, byte>(640, 480, new Bgr(System.Drawing.Color.White));
Image <Bgr, byte> drawScanLineImg = oriImg.Clone();
isZebra = ZebraCrossingDetector.AnalyzeZebraCrossingTexture(mainDirectionLineGroupId, linesHistogram, processingImg, oriImg, stasticDst, drawScanLineImg);
}
else
{
isZebra = false;
}
watch.Stop();
Console.WriteLine("Crossing Analytics time = " + watch.ElapsedMilliseconds);
if (isVideoZebra != isZebra && isZebra)
{
Console.WriteLine("前方有斑馬線");
//voice.Speak("前方有斑馬線", SpeechVoiceSpeakFlags.SVSFlagsAsync);
isVideoZebra = true;
showIsCrossingTextBlock.Text = "前方有斑馬線";
count++;
}
else
{
showIsCrossingTextBlock.Text = "";
}
}
}
else
{
Console.WriteLine("偵測次數" + count);
count = 0;
ResetVideo();
}
}
}
else if (isStop)
{
//關閉，回到一開始畫面
ResetVideo();
}
}
}
private void filterLinesButton_Click(object sender, RoutedEventArgs e)
{
linesHistogram = ZebraCrossingDetector.MainGroupLineFilter(candidateHoughLineEquations, ref mainDirectionLineGroupId);
}
