private void yIQToolStripMenuItem_Click(object sender, EventArgs e)
        {
            for (int i = 0; i < FileListBox.Items.Count; i++)
            {
                FileListBox.SelectedItem = i;
                FileListBox.Refresh();
                OriginalImg1.Load(files[i]);

                OriginalImg2.SetSize(OriginalImg1);
                EasyImage.Oper(EArithmeticLogicOperation.Copy, new EC24(0, 0, 0), OriginalImg2);

                OriginalImg1.ColorSystem = EColorSystem.Rgb;
                EColorLookup1.ConvertFromRgb(EColorSystem.Yiq);
                EColorLookup1.Transform(OriginalImg1, OriginalImg2);

                //EC24Image2.Draw(pbImg2.CreateGraphics(), ScalingRatio);

                string path = settings.set_path() + "\\" + Path.GetFileName(files[i]);

                if (!Directory.Exists(settings.set_path()))
                {
                    Directory.CreateDirectory(settings.set_path());
                }

                OriginalImg2.SaveJpeg(path);
            }

            MessageBox.Show("YIQ轉換完成", "通知");
        }
Exemple #2
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        public void SaveEMatcher_Blank(
            PatternMatcherParameters param,
            string pattern1_FilePath,
            string pattern2_FilePath,
            string pattern1_ImageFilePath,
            string pattern2_ImageFilePath)
        {
            EImageBW8 blackImage = new EImageBW8(512, 512);

            EasyImage.Oper(EArithmeticLogicOperation.Copy, new EBW8(0), blackImage);   // make it black
            EROIBW8 blackEROI = new EROIBW8();

            blackEROI.OrgX   = 0;
            blackEROI.OrgY   = 0;
            blackEROI.Width  = 512;
            blackEROI.Height = 512;
            blackEROI.Attach(blackImage);
            TeachAndSaveEMatcher(
                param,
                blackEROI,
                blackEROI,
                pattern1_FilePath,
                pattern2_FilePath,
                pattern1_ImageFilePath,
                pattern2_ImageFilePath);
        }
        private void backgroundToolStripMenuItem_Click(object sender, EventArgs e)
        {
            float PictureBoxSizeRatio, ImageSizeRatio;

            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                Background.Load(openFileDialog1.FileName);
                PictureBoxSizeRatio = (float)pbImg3.Width / pbImg3.Height;
                ImageSizeRatio      = (float)Background.Width / Background.Height;
                if (ImageSizeRatio > PictureBoxSizeRatio)
                {
                    ScalingRatio = (float)pbImg3.Width / Background.Width;
                }
                else
                {
                    ScalingRatio = (float)pbImg3.Height / Background.Height;
                }

                //顯示影像於Picturebox
                pbImg3.Refresh();                                       //先清除目前圖像
                Background.Draw(pbImg3.CreateGraphics(), ScalingRatio); //再繪製上去

                BackgroundGray.SetSize(Background);
                EasyImage.Oper(EArithmeticLogicOperation.Copy, new EBW8(0), BackgroundGray);
                EasyImage.Convert(Background, BackgroundGray); //轉灰階
            }
        }
Exemple #4
0
 /// <summary>
 /// 图片均衡操作,将传入图片自动转换,imgWidth:设定图片宽度,imgHeight图片设定高度
 /// 图片(forexample:a.bmp)另存为同文件夹下面的_a.bmp
 /// </summary>
 /// <param name="ImagePath"></param>
 public void QualizerImage(string ImagePath, int imgWidth, int imgHeight)
 {
     try
     {
         if ((ImagePath.Length == 0) || (!File.Exists(ImagePath)))
         {
             return;
         }
         EImageBW8 EBW8ImageOrig = new EImageBW8(); // EImageBW8 instance
         EImageBW8 EBW8ImageDest = new EImageBW8(); // EImageBW8 instance
         EBW8ImageOrig.SetSize(imgWidth, imgHeight);
         // Make image black
         EasyImage.Oper(EArithmeticLogicOperation.Copy, new EBW8(0), EBW8ImageOrig);
         EBW8ImageOrig.Load(ImagePath);
         EBW8ImageDest.SetSize(imgWidth, imgHeight);
         // Make image black
         EasyImage.Oper(EArithmeticLogicOperation.Copy, new EBW8(0), EBW8ImageDest);
         EBW8ImageDest.SetSize(EBW8ImageOrig);
         EasyImage.Equalize(EBW8ImageOrig, EBW8ImageDest);
         EBW8ImageOrig.Dispose();
         //EBW8ImageDest.Save(ImagePath);
         EBW8ImageDest.Save(ImageSaveAsPath(ImagePath));
     }
     catch
     {
         throw;
     }
 }
        private void FileListBox_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (selecting)
            {
                OriginalImg1.Load(files[0]);

                //============================計算scaling ratio============================
                float PictureBoxSizeRatio = (float)pbImg1.Width / pbImg1.Height;
                float ImageSizeRatio      = (float)OriginalImg1.Width / OriginalImg1.Height;
                if (ImageSizeRatio > PictureBoxSizeRatio)
                {
                    ScalingRatio = (float)pbImg1.Width / OriginalImg1.Width;
                }
                else
                {
                    ScalingRatio = (float)pbImg1.Height / OriginalImg1.Height;
                }
                //=========================================================================

                OriginalImg1.Load(files[FileListBox.SelectedIndex]);
                OriginalImg1.Draw(pbImg1.CreateGraphics(), ScalingRatio);

                GrayImg1.SetSize(OriginalImg1);
                EasyImage.Oper(EArithmeticLogicOperation.Copy, new EBW8(0), GrayImg1);
                EasyImage.Convert(OriginalImg1, GrayImg1); //轉灰階

                EasyImage.Median(BackgroundGray, BackgroundGray);
                EasyImage.Median(GrayImg1, GrayImg1);
                EasyImage.Oper(EArithmeticLogicOperation.Subtract, GrayImg1, BackgroundGray, GrayImg1);

                EasyImage.Threshold(GrayImg1, GrayImg1, unchecked ((uint)EThresholdMode.MinResidue));

                EasyImage.ErodeBox(GrayImg1, GrayImg1, 1);  //侵蝕
                EasyImage.CloseBox(GrayImg1, GrayImg1, 10); //閉合

                GrayImg1.Draw(pbImg2.CreateGraphics(), ScalingRatio);

                Console.WriteLine(files[FileListBox.SelectedIndex]);
            }
        }
        private void grayToolStripMenuItem_Click(object sender, EventArgs e)
        {
            for (int i = 0; i < FileListBox.Items.Count; i++)
            {
                FileListBox.SelectedItem = i;
                FileListBox.Refresh();
                OriginalImg1.Load(files[i]);
                GrayImg1.SetSize(OriginalImg1);
                EasyImage.Oper(EArithmeticLogicOperation.Copy, new EBW8(0), GrayImg1);
                EasyImage.Convert(OriginalImg1, GrayImg1);

                string path = settings.set_path() + "\\" + Path.GetFileName(files[i]);

                if (!Directory.Exists(settings.set_path()))
                {
                    Directory.CreateDirectory(settings.set_path());
                }

                GrayImg1.SaveJpeg(path);
            }

            MessageBox.Show("灰階化轉換完成", "通知");
        }
        private void excelToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Excel_APP1 = new Excel.Application();
            Excel_WB1  = Excel_APP1.Workbooks.Add();
            Excel_WS1  = new Excel.Worksheet();

            saveFileDialog1.Filter = "Excel|*.xlsx";
            saveFileDialog1.Title  = "Save a Excel";

            Excel_WS1              = Excel_WB1.Worksheets[1];
            Excel_WS1.Name         = "Data";
            Excel_APP1.Cells[1, 1] = "圖片(.jpg)";
            Excel_APP1.Cells[1, 2] = "Profile下";
            Excel_APP1.Cells[1, 3] = "Profile上";

            OriginalImg1.Load(files[0]);

            /*============================計算scaling ratio============================*/
            float PictureBoxSizeRatio = (float)pbImg1.Width / pbImg1.Height;
            float ImageSizeRatio      = (float)OriginalImg1.Width / OriginalImg1.Height;

            if (ImageSizeRatio > PictureBoxSizeRatio)
            {
                ScalingRatio = (float)pbImg1.Width / OriginalImg1.Width;
            }
            else
            {
                ScalingRatio = (float)pbImg1.Height / OriginalImg1.Height;
            }
            /*=========================================================================*/

            for (int i = 0; i < FileListBox.Items.Count; i++)
            {
                FileListBox.SelectedIndex = i;
                FileListBox.Refresh();
                OriginalImg1.Load(files[i]);
                OriginalImg1.Draw(pbImg1.CreateGraphics(), ScalingRatio);

                //EC24Image2.SetSize(EC24Image1);
                //EasyImage.Oper(EArithmeticLogicOperation.Copy, new EC24(0, 0, 0), EC24Image2);

                //EC24Image1.ColorSystem = EColorSystem.Rgb;
                //EColorLookup1.ConvertFromRgb(EColorSystem.Yiq);
                //EColorLookup1.Transform(EC24Image1, EC24Image2);

                //EC24Image2.Draw(pbImg2.CreateGraphics(), ScalingRatio);

                GrayImg1.SetSize(OriginalImg1);
                EasyImage.Oper(EArithmeticLogicOperation.Copy, new EBW8(0), GrayImg1);
                EasyImage.Convert(OriginalImg1, GrayImg1); //轉灰階

                //EasyImage.Oper(EArithmeticLogicOperation.Subtract, GrayImg1, BackgroundGray, GrayImg1);
                //EasyImage.Threshold(GrayImg1, GrayImg1, 56);
                //EasyImage.OpenBox(GrayImg1, GrayImg1, settings.set_value_3());

                GrayImg1.Draw(pbImg2.CreateGraphics(), ScalingRatio);

                EasyImage.ImageToLineSegment(GrayImg1, In, 1485, 700, 1683, 700);  //設定車子進入的偵測線,判斷車子是否準備進來
                EasyImage.ImageToLineSegment(GrayImg1, Out, 1485, 400, 1683, 400); //設定車子出去的偵測線,判斷車子是否準備出去

                Excel_APP1.Cells[2 + i, 1] = Path.GetFileNameWithoutExtension(files[i]);
                Excel_APP1.Cells[2 + i, 2] = getProfileValueSum(In);
                Excel_APP1.Cells[2 + i, 3] = getProfileValueSum(Out);

                //Console.WriteLine(files[i]);
            }

            if (saveFileDialog1.ShowDialog() == DialogResult.OK && saveFileDialog1.FileName != "")
            {
                Excel_WB1.SaveAs(saveFileDialog1.FileName);
            }

            Excel_WS1 = null;
            Excel_WB1.Close();
            Excel_WB1 = null;
            Excel_APP1.Quit();
            Excel_APP1 = null;
        }
        private async void excelToolStripMenuItem2_Click(object sender, EventArgs e)
        {
            Excel_APP1 = new Excel.Application();
            Excel_WB1  = Excel_APP1.Workbooks.Add();
            Excel_WS1  = new Excel.Worksheet();

            saveFileDialog1.Filter = "Excel|*.xlsx";
            saveFileDialog1.Title  = "Save a Excel";

            Excel_WS1              = Excel_WB1.Worksheets[1];
            Excel_WS1.Name         = "Data";
            Excel_APP1.Cells[1, 1] = "圖片(.jpg)";
            Excel_APP1.Cells[1, 2] = "Profile下";
            Excel_APP1.Cells[1, 3] = "Profile上";
            Excel_APP1.Cells[1, 4] = "時間";
            try
            {
                while (framecount != totalframe)
                {
                    Mat frame = new Mat();

                    frame = video.QueryFrame(); //擷取影片frame

                    if (frame == null)
                    {
                        break;
                    }

                    pbImg1.Image = frame.Bitmap;                                   //顯示frame

                    fps        = video.GetCaptureProperty(CapProp.Fps);            //抓影片的fps
                    videotime  = video.GetCaptureProperty(CapProp.PosMsec) / 1000; //抓影片時間
                    framecount = video.GetCaptureProperty(CapProp.PosFrames);

                    Bitmap bitmap_source = (Bitmap)frame.Bitmap;

                    if (bitmap == null)
                    {
                        bitmap = (Bitmap)bitmap_source.Clone();
                    }

                    bitmap = bitmap_source;

                    if (bitmap == null)
                    {
                        return;
                    }

                    OriginalImg1 = BitmapToEImageC24(ref bitmap);

                    GrayImg1.SetSize(OriginalImg1);
                    EasyImage.Oper(EArithmeticLogicOperation.Copy, new EBW8(0), GrayImg1);
                    EasyImage.Convert(OriginalImg1, GrayImg1);                       //轉灰階

                    EasyImage.ImageToLineSegment(GrayImg1, In, 413, 104, 797, 104);  //設定車子進入的偵測線,判斷車子是否準備進來
                    EasyImage.ImageToLineSegment(GrayImg1, Out, 325, 891, 776, 891); //設定車子出去的偵測線,判斷車子是否準備出去

                    ShowImage(GrayImg1, pbImg2);

                    //Console.WriteLine("In:" + getProfileValueSum(In) + " / " + "Out:" + getProfileValueSum(Out) + " / " + "Time:" + videotime);

                    Excel_APP1.Cells[framecount + 1, 1] = framecount.ToString();
                    Excel_APP1.Cells[framecount + 1, 2] = getProfileValueSum(In);
                    Excel_APP1.Cells[framecount + 1, 3] = getProfileValueSum(Out);
                    Excel_APP1.Cells[framecount + 1, 4] = videotime;

                    bitmap.Dispose();
                    System.GC.Collect();
                    System.GC.WaitForPendingFinalizers();

                    videoInfo.setValue(totalframe, framecount, videotime, fps);

                    await Task.Delay(1000 / Convert.ToInt32(fps)); //延遲
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }


            if (saveFileDialog1.ShowDialog() == DialogResult.OK && saveFileDialog1.FileName != "")
            {
                Excel_WB1.SaveAs(saveFileDialog1.FileName);
            }

            Excel_WS1 = null;
            Excel_WB1.Close();
            Excel_WB1 = null;
            Excel_APP1.Quit();
            Excel_APP1 = null;
        }
        private async void videoPlayToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (video == null)
            {
                return;
            }

            if (!play)
            {
                play = true;
                videoPlayToolStripMenuItem.Text = "VideoPause";
            }
            else
            {
                play = false;
                videoPlayToolStripMenuItem.Text = "VideoPlay";
            }

            try
            {
                while (play)
                {
                    Mat frame = new Mat();



                    if (frame == null)
                    {
                        break;
                    }

                    pbImg1.Image = frame.Bitmap;                                                                                 //顯示frame

                    fps        = video.GetCaptureProperty(CapProp.Fps);                                                          //抓影片的fps
                    videotime  = Math.Round(video.GetCaptureProperty(CapProp.PosMsec) / 1000, 3, MidpointRounding.AwayFromZero); //抓影片時間
                    framecount = video.GetCaptureProperty(CapProp.PosFrames);

                    refBitmap(frame);

                    OriginalImg1 = BitmapToEImageC24(ref bitmap);

                    if (!firstSet)
                    {
                        GrayImg1.SetSize(OriginalImg1);
                        GrayImg3.SetSize(OriginalImg1);
                        BackgroundGray.SetSize(OriginalImg1);
                        EasyImage.Oper(EArithmeticLogicOperation.Copy, new EBW8(0), GrayImg1);
                        EasyImage.Oper(EArithmeticLogicOperation.Copy, new EBW8(0), GrayImg3);
                        EasyImage.Oper(EArithmeticLogicOperation.Copy, new EBW8(0), BackgroundGray);
                        EasyImage.Convert(OriginalImg1, GrayImg1);       //轉灰階
                        EasyImage.Convert(OriginalImg1, BackgroundGray); //轉灰階
                        firstSet = true;
                    }
                    else
                    {
                        EasyImage.Convert(OriginalImg1, GrayImg1); //轉灰階
                        //EasyImage.Oper(EArithmeticLogicOperation.Subtract, GrayImg1, BackgroundGray, GrayImg3);

                        //double profilevalue_in = getProfileValueSum(In);
                        //double profilevalue_out = getProfileValueSum(Out);

                        //if (profilevalue_in < 2500 && profilevalue_out < 2500)
                        //{
                        //    Console.WriteLine("Background:" + profilevalue_in);
                        //    EasyImage.Convert(OriginalImg1, BackgroundGray); //轉灰階
                        //}
                        //else
                        //{
                        //    Console.WriteLine("有車進入:" + profilevalue_in);
                        //    EasyImage.Convert(OriginalImg1, BackgroundGray); //轉灰階
                        //}
                    }

                    EasyImage.ImageToLineSegment(GrayImg1, In, 968, 585, 1747, 585);  //設定車子進入的偵測線,判斷車子是否準備進來
                    EasyImage.ImageToLineSegment(GrayImg1, Out, 968, 209, 1747, 209); //設定車子出去的偵測線,判斷車子是否準備出去

                    Console.WriteLine(getProfileValueSum(In));

                    ShowImage(GrayImg1, pbImg2);
                    //ShowImage(BackgroundGray, pbImg3);

                    bitmap.Dispose();
                    System.GC.Collect();
                    System.GC.WaitForPendingFinalizers();

                    videoInfo.setValue(totalframe, framecount, videotime, fps);

                    await Task.Delay(1000 / Convert.ToInt32(fps)); //延遲
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }
        private void vehicleToolStripMenuItem_Click(object sender, EventArgs e)
        {
            float PictureBoxSizeRatio, ImageSizeRatio;

            codedImage1ObjectSelection.FeretAngle = 0.00f;
            codedImage1Encoder.GrayscaleSingleThresholdSegmenter.WhiteLayerEncoded = true;
            codedImage1Encoder.GrayscaleSingleThresholdSegmenter.BlackLayerEncoded = false;
            codedImage1Encoder.SegmentationMethod = ESegmentationMethod.GrayscaleSingleThreshold;
            codedImage1Encoder.GrayscaleSingleThresholdSegmenter.Mode = EGrayscaleSingleThreshold.MinResidue;

            OriginalImg1.Load(files[0]);

            /*============================計算scaling ratio============================*/
            PictureBoxSizeRatio = (float)pbImg1.Width / pbImg1.Height;
            ImageSizeRatio      = (float)OriginalImg1.Width / OriginalImg1.Height;
            if (ImageSizeRatio > PictureBoxSizeRatio)
            {
                ScalingRatio = (float)pbImg1.Width / OriginalImg1.Width;
            }
            else
            {
                ScalingRatio = (float)pbImg1.Height / OriginalImg1.Height;
            }
            /*=========================================================================*/

            for (int i = 0; i < FileListBox.Items.Count; i++)
            {
                FileListBox.SelectedIndex = i;
                FileListBox.Refresh();
                OriginalImg1.Load(files[i]);
                OriginalImg1.Draw(pbImg1.CreateGraphics(), ScalingRatio);

                GrayImg1.SetSize(OriginalImg1);
                EasyImage.Oper(EArithmeticLogicOperation.Copy, new EBW8(0), GrayImg1);
                EasyImage.Convert(OriginalImg1, GrayImg1); //轉灰階

                EasyImage.Median(BackgroundGray, BackgroundGray);
                EasyImage.Median(GrayImg1, GrayImg1);
                EasyImage.Oper(EArithmeticLogicOperation.Subtract, GrayImg1, BackgroundGray, GrayImg1);

                EasyImage.Threshold(GrayImg1, GrayImg1, unchecked ((uint)EThresholdMode.MinResidue));

                EasyImage.ErodeBox(GrayImg1, GrayImg1, 1);  //侵蝕
                EasyImage.CloseBox(GrayImg1, GrayImg1, 10); //閉合

                codedImage1ObjectSelection.FeretAngle = 0.00f;
                codedImage1Encoder.Encode(GrayImg1, codedImage1);
                codedImage1ObjectSelection.Clear();
                codedImage1ObjectSelection.AddObjects(codedImage1);
                codedImage1ObjectSelection.AttachedImage = GrayImg1;
                codedImage1ObjectSelection.RemoveUsingUnsignedIntegerFeature(EFeature.RunCount, 1000, ESingleThresholdMode.Less); //移除RunCount小於1000的物件

                if (codedImage1ObjectSelection.ElementCount > 0)
                {
                    Console.WriteLine("(" + codedImage1ObjectSelection.GetElement(0).BoundingBoxCenterX + ", " + codedImage1ObjectSelection.GetElement(0).BoundingBoxCenterY + ")");
                }

                codedImage1.DrawFeature(pbImg1.CreateGraphics(), EDrawableFeature.BoundingBox, codedImage1ObjectSelection, ScalingRatio); // 把車的框框畫出來

                GrayImg1.Draw(pbImg2.CreateGraphics(), ScalingRatio);

                Console.WriteLine(files[i]);
            }
        }
        private void btnDetect_Click(object sender, EventArgs e)
        {
            double t1 = 0, t2 = 0, timeDiff = 0, fov = 5.0, speed = 0;
            bool   hascar = false;

            valuein  = double.Parse(Value_In.Text);
            valueout = double.Parse(Value_Out.Text);
            last_In  = 0;
            last_Out = 0;

            EC24Image1.Load(files[0]);

            /*============================計算scaling ratio============================*/
            float PictureBoxSizeRatio = (float)pbimg.Width / pbimg.Height;
            float ImageSizeRatio      = (float)EC24Image1.Width / EC24Image1.Height;

            if (ImageSizeRatio > PictureBoxSizeRatio)
            {
                ScalingRatio = (float)pbimg.Width / EC24Image1.Width;
            }
            else
            {
                ScalingRatio = (float)pbimg.Height / EC24Image1.Height;
            }
            /*=========================================================================*/

            for (int i = 0; i < listBox1.Items.Count; i++)
            {
                listBox1.SelectedIndex = i;
                listBox1.Refresh();
                EC24Image1.Load(files[i]);
                EC24Image1.Draw(pbimg.CreateGraphics(), ScalingRatio);

                EBW8Image1.SetSize(EC24Image1);
                EasyImage.Oper(EArithmeticLogicOperation.Copy, new EBW8(0), EBW8Image1);
                EasyImage.Convert(EC24Image1, EBW8Image1);                            //轉灰階

                EasyImage.ImageToLineSegment(EBW8Image1, In, 1000, 1079, 1750, 1079); //設定偵測線在最底部,判斷車子是否準備進來
                EasyImage.ImageToLineSegment(EBW8Image1, Out, 1000, 0, 1750, 0);      //設定偵測線在最頂部,判斷車子是否準備出去

                if (CarIn(In) && !hascar)                                             //假如沒有車子,且CarIn有偵測到車子情況下,視同進入
                {
                    previous = i;                                                     //記錄車子進來的圖片張數
                    //t1 = DateTime.Now.TimeOfDay.Seconds + DateTime.Now.TimeOfDay.Milliseconds / 1000.0; //記錄進來的時間
                    speed  = 0;
                    hascar = true;
                }
                else if (CarOut(Out) && hascar && speed == 0)                  //假如有車子,且CarOut有偵測到車子並尚未計算速度的情況下,視同出去
                {
                    current = i;                                               //記錄車子出去的圖片張數
                    if (current - previous <= 10 || current - previous >= 100) //防呆機制,假如10張內或超過100張視同有問題
                    {
                        //last_Out = 0;
                        hascar = false;
                    }
                    else
                    {
                        Console.WriteLine("車子進來的第一張圖片:" + files[previous]);
                        Console.WriteLine("車子出去的最後一張圖片:" + files[current]);
                        t1 = Double.Parse(Path.GetFileNameWithoutExtension(files[previous])); //擷取進來的圖檔名當作進來的時間
                        t2 = Double.Parse(Path.GetFileNameWithoutExtension(files[current]));  //擷取出去的圖檔名當作出去的時間
                        //t2 = DateTime.Now.TimeOfDay.Seconds + DateTime.Now.TimeOfDay.Milliseconds / 1000.0; //記錄出去的時間
                        Console.WriteLine("T1=" + t1.ToString());
                        Console.WriteLine("T2=" + t2.ToString());
                        //秒數做溢位處理

                        /*
                         * if (t1 > t2)
                         *  timeDiff = (t2 + 60) - t1;
                         * else
                         */
                        timeDiff = t2 - t1;                                                    //出去的時間減去進來的時間
                        Console.WriteLine("timeDiff = " + timeDiff);
                        speed           = fov / (timeDiff / 4) * 3.6;                          //計算車子的速度,因為採用4倍慢速錄影所以時間要除以4,速度單位為km/hr
                        speed           = Math.Round(speed, 2, MidpointRounding.AwayFromZero); //將速度四捨五入
                        labelSpeed.Text = "Speed: " + speed.ToString();
                        Console.WriteLine("Speed: " + speed);
                        labelSpeed.Update();
                        last_In = 0;
                        hascar  = false;
                    }
                }
            }
        }