private void ImageCallBack_2(IntPtr m_BufForDriver, ref MyCamera.MV_FRAME_OUT_INFO_EX pFrameInfo, IntPtr pUser)
        {
            MyCamera.MVCC_INTVALUE stParam = new MyCamera.MVCC_INTVALUE();
            int nRet = cameraArr1[0].MV_CC_GetIntValue_NET("PayloadSize", ref stParam);

            if (MyCamera.MV_OK != nRet)
            {
                MessageBox.Show("Get PayloadSize failed", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            UInt32 nPayloadSize = stParam.nCurValue;

            if (nPayloadSize > m_nBufSizeForDriver)
            {
                if (m_BufForDriver != IntPtr.Zero)
                {
                    Marshal.Release(m_BufForDriver);
                }
                m_nBufSizeForDriver = nPayloadSize;
                m_BufForDriver      = Marshal.AllocHGlobal((Int32)m_nBufSizeForDriver);
            }
            if (m_BufForDriver == IntPtr.Zero)
            {
                MessageBox.Show("采集失败,请重新连接设备", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            // 将海康数据类型转为Mat
            nRet = cameraArr1[0].MV_CC_GetOneFrameTimeout_NET(m_BufForDriver, nPayloadSize, ref pFrameInfo, 1000); // m_BufForDriver为图像数据接收指针
            //pTemp = m_BufForDriver;
            byte[] byteImage = new byte[pFrameInfo.nHeight * pFrameInfo.nWidth];
            Marshal.Copy(m_BufForDriver, byteImage, 0, pFrameInfo.nHeight * pFrameInfo.nWidth);
            Mat matImage = new Mat(pFrameInfo.nHeight, pFrameInfo.nWidth, MatType.CV_8UC1, byteImage);
            // 单通道图像转为三通道
            Mat matImageNew = new Mat();

            Cv2.CvtColor(matImage, matImageNew, ColorConversionCodes.GRAY2RGB);
            Bitmap bitmap = matImageNew.ToBitmap();  // Mat转为Bitmap
                                                     // 是否进行推理
            DeepLearning deepLearning = new DeepLearning();

            if (isInference2)
            {
                bitmap = deepLearning.Inference(model2, modelType, bitmap);
            }
            if (pictureBox2.InvokeRequired)  // 当一个控件的InvokeRequired属性值为真时,说明有一个创建它以外的线程想访问它
            {
                UpdateUI update = delegate { pictureBox2.Image = bitmap; };
                pictureBox2.BeginInvoke(update);
            }
            else
            {
                pictureBox2.Image = bitmap;
            }
        }
 private void OnImageGrabbed_2(Object sender, ImageGrabbedEventArgs e)
 {
     try
     {
         IGrabResult grabResult = e.GrabResult;
         if (grabResult.IsValid)
         {
             // 四通道RGBA
             Bitmap bitmap = new Bitmap(grabResult.Width, grabResult.Height, PixelFormat.Format32bppRgb);
             // 锁定位图的位
             BitmapData bmpData = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height), ImageLockMode.ReadWrite, bitmap.PixelFormat);
             // 将指针放置到位图的缓冲区
             converter.OutputPixelFormat = PixelType.BGRA8packed;
             IntPtr ptrBmp = bmpData.Scan0;
             converter.Convert(ptrBmp, bmpData.Stride * bitmap.Height, grabResult);
             bitmap.UnlockBits(bmpData);
             DeepLearning deepLearning = new DeepLearning();
             if (isInference2)
             {
                 bitmap = deepLearning.Inference(model2, modelType, bitmap);
             }
             if (pictureBox2.InvokeRequired)  // 当一个控件的InvokeRequired属性值为真时,说明有一个创建它以外的线程想访问它
             {
                 UpdateUI update = delegate { pictureBox2.Image = bitmap; };
                 pictureBox2.BeginInvoke(update);
             }
             else
             {
                 pictureBox2.Image = bitmap;
             }
         }
     }
     catch (Exception ex)
     {
         MessageBox.Show(string.Format("CAM:{0}!\n{1}", "CAM2", ex.Message));
     }
     finally
     {
         e.DisposeGrabResultIfClone();
     }
 }